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[0001] The present invention relates to composite materials, removable insert liners and completed product constructions with an non-removable liner used in a variety of application. For example, the liner of the present invention may be employed in a variety of applications including in-line ice or hockey skates (shell and soft boot) and the like. This liner system composite may be utilized for all weather boots and alpine and hiking applications. The liner is breathable, transfer moisture and waterproof to increase comfort for the skater. The liner may contain thermal fibers, thermal PCM encapsulated molecules or fibers and/or a silica, acrylic, polyester fiber based polymers microsheres or the like containing air, polymers or liquid fibers that aids in cool or thermal regulating temperatures during performance and are capable of absorbing an electrical charge. The microsphere encapsulating the air, polymer or electrically sensitive to thermal absorbing material may be constructed of a inherently conductive polymer such as those created by the Polymer Research Institute in New South Wales, Australia.
[0002] Various types of liners are known in prior art. These liners are designed to provide certain levels of comfort and durability. Furthermore, in-line skates are also well known in the art as evidenced by U.S. Pat. Nos. 5,340,132; 5,397,141; and 5,437,466. Of these patents, only U.S. Pat. No. 5,437,466 discloses what is commonly referred to as a “soft-boot”. In other words, the shoe body is made of a soft, pliable material. General statements are provided about the materials used for the shoe body, but not in great detail.
[0003] However, the liners in ice hockey and in-line skates, as well as snowboard boots, etc., known in the art do not provide the advantages realized by the present invention. With the art of hockey and in-line skating becoming increasingly recreational, numerous categories of skaters are developing in large numbers. The present inventor has recognized the problems faced by the aggressive and the recreational categories of skaters and has developed a liner to overcome such problems.
[0004] There is an ongoing need for comfort, moisture transfer, breathability, and support for both removable liners as well as non-removable hockey and soft boot liners. In prior removable liner design, the conventional liner is often constructed with rigid, non-breathable outer materials such as vinyl's, foams, and nylons. The inner liners have been leather, nylon, or polyester blends which extremely limited the ability to breathe or wick moisture away from a skater's body. These materials have prevented the foot from breathing adequately. In the case of “shell boot” skates, the plastic material that forms the outer shell boot structure holds the heat and moisture inside the boot. As a result, the lining becomes saturated with sweat which adversely affects the skater's comfort and performance level. This problem is even worse with the aggressive hockey skaters whose needs for proper ventilation are even greater.
[0005] An object of the present invention is to provide a lining system employing a cooler, warmer, drier and more breathable liner that meets the needs of each individual skater. Accordingly, the liner of the present invention can be accommodated to the needs of skaters of various skill categories by permitting the inner liner material, which is against the foot, to vary in fiber content and construction.
[0006] This object of the present invention is realized by providing a lining system having lining materials which act as a moisture transfer system and poses inherent moisture transfer polymers fibers and absorbent natural and synthetic fibers. The fibers may be combined in knits, wovens, nonwovens or in a combined construction of two or more constructions. An example of a combined construction is a warp-knit fabric such as such as the SENSITIVE Fabrics. Moisture vapors are transferred through the liner from one side to the other side by a multi-layered technically engineered fiber and foam system. In several composite systems the technically nonwoven fibers replace the foam. This is accomplished by utilizing certain materials in a manner determined by the inventor after considerable experimentation and effort. The details of the specific materials as used in the combination are disclosed in the Detailed Description of the Preferred Embodiments.
[0007] The moisture transferring lining system of the present invention overcomes the problems in the prior art lining systems and liners and meets the needs of even the most aggressive skaters.
[0008] Various other objects, features and advantages of the present invention will become readily apparent in view of the following detailed description of the preferred embodiments in conjunction with the drawings.
[0009]
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[0013] FIGS.
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[0029] The following detailed description of the preferred embodiments of the present invention is undertaken in connection with the drawings. This description, while undertaken with respect to the disclosed embodiments, is intended to enable a variety of different applications and slight modifications which form a part of the present invention. More specifically, many of the materials used in this lining system have been developed relatively recently, and in many cases are still being modified and improved.
[0030] Where possible, tradenames of specific products have been used to assist in the understanding of the invention. The lining system according to the present invention can be easily adapted to accommodate further developments currently envisioned are set forth below.
[0031]
[0032] All the nonwovens in this invention are selected for the inherent ability to transfer and/or absorb moisture and may have anti-microbial silver fibers by Foss, Static or the like added to the blend. In a number of options the fibers included in the inner lining material, or nonwoven top sheet are embedded in the foam and possess anti-microbial, thermal and conductive properties. All of the foam materials used in the present invention are assumed to be breathable, hydrophilic, open cell and their thickness variable. Depending on the application, some of the foam materials may not be the used and the thickness of any foam material or spacer fabrics that is used can be changed as needed. All the foams in this application may include Microsphere Technology. For example, a foam called Aquazone, Premium, VFI by Foamex, Comfortemp by Frisby, or Netsorb by Vita Olympic, CoFoam Hydrophilix, or Dri-z by Dicon, hydrophilic foam with nonwoven fibers or the like can be used. Preferably, the germicidal, anti-microbial hydrophilic, flocked fiber open cell hydrophilic foam or a reticulated foam is treated with a surfactant the increase the moisture transfer rate. These chemical friendly additives can be combined directly into the foam polymer or may be applied after the foam is created. A hydrophilic coatings such as that created by Ciba Specialty Chemicals(ULTRAPHIL), Wisconsin Global Technology or the like may be added to the foam matrix or nonwoven abutting the foam The foam can be attached to a non-woven top sheet of synthetic or natural fibers. The fibers may be flocked into the foam or added to the liquid polymer. The preferably,nonwoven fiber selection includes wood pulp and cotton, corn, kapok, lyocel, acrylic, chlorofibre, acetate, wool, hemp, polypropylene, polyester, rayon, lycra or a combination thereof. This top sheet is designed to absorb and move moisture. The fibers have inherent moisture transfer and absorb properties and can be treated with a number of MVT surfactants or wicking solution such as Intera Technology, Ultraphil, Nano-Technology or the like. Cofoam, a hydrophilic foam treatment by Hydrophilix may be applied to the foam or nonwovens to increase the rate of transfer. Coolfix which is developed by Trend Technology, Wisconsin Global Technology or Feran Ice Process may be included in this nonwoven layers, fiber, fabric foam layers or combinations in this applications. The nonwoven top sheet construction may optionally be replaced by a knitted fiber construction. The nonwoven top sheet or knitted fiber construction may be utilized for a scrums on either side of a foam or thermal nonwoven. The selected nonwoven fiber or blend of fibers may be inclusive in the thermal nonwoven blend, the foam or a nonwoven wet-laid, spunbond or needle punch product may be inclusive in the foam. The nonwoven fibers in this application are extremely important and they selected for the abilities as stated previously to move transfer moisture, absorb, increase or decrease temperature and provide stability. They are both active and passive in their performance. The polyester fiber inclusive in the nonwoven top sheet, knitted layer or layers of the thermal composites is preferably a shaped fiber such as the 4-Deep Grove polyester fiber or a variation of the shaped polyester fiber preferably, manufactured by F.I.T Group or the like. A shaped (CCF) fiber by Clemson University or a Technofine polyester fiber by Gelanots may be an option in this layer. These technically engineered polyester shaped fibers provide channels for the moisture to travel along and transfer quick to the exterior surface. The shaped fabrics maybe combined with an active carbon compound such as that by Craghoppers or silca gel to which increase the absorbent factor. Response Technology by Craghoppers is an option in this application for the inner lining polyester fibers and nonwoven and or foam composites. A selection of shaped natural and synthetic fibers as well as the polyester such as corn, acrylic, acetate an the like be included or in any layer in moisture transfer system. The elastomeric cellular composite referenced in the U.S. Pat. No. 6,074,966 may include the selected nonwoven and shaped fibers discussed previously. Optionally, the elastomeric composite may be used in place of the nonwoven top sheet on either side of the foam or thermal nonwoven or in place of the selected foam. In some performance categories the elastomeric composite maybe mechanically or ultrasonically bonded to the inner lining material abutting the foam nonwoven or thermal nonwoven. The elastomeric composite contains synthetic and natural fibers and foam. These fibers may be treated with wetting solutions and/or hydrophilic foam such Cofoam as that by Hydrophilix Inc. U.S. application Ser. No. 09-823-129 The elastomeric may be applied to the thermal nonwoven on either side or be mechanically or ultrasonically bonded to the thermal nonwoven. The elastomeric composite may be attacked or included in any layer in the moisture transfer system or may be any layer in the moisture transfer system excluding the exterior shell fabric.
[0033] The Cofoam or the like may be used as the selected foam in the elastomeric composite or be applied to any layer in the moisture transfer system. Cofoam may be used in place of the selected open cell foam or in combination with any layer in the moisture transfer system. The Cofoam may be combination with the thermal blend by Foss Manufacturing Dupont thermal nonwoven such as Thermolite, Ultrathin or with 3MM thermal nonwovens such as Thinsulite, nonwoven by Millennium or the like.
[0034] The nonwoven top sheet may be a dry-laid, wet laid, melt blown, spun bond or a needle punch product. The select fibers, fiber construction and treatment of the nonwoven top sheet is a key element in the moisture absorption and transfer properties in the system. The nonwoven may or may not require a wicking solution or treatment. The product category and performance level determines the selection of treatment and the fiber or combination of is a wet laid apertured nonwoven top sheet.
[0035] The selected non-woven top sheets are manufactured by DuPont (Sonatra Technology non-woven), Alhstrom Nonwovens, Dexter Synthetics, Freudenburg Nonwovens, Veritex, Nordlys, or the like. All nonwoven fibers in this application possess either active or passive moisture transfer abilities or both. The nonwoven may have polymer or silca microspheres or encapsulated PCM technology added with various fibers.
[0036] The preferably construction s optional to cooling and/or heating properties. The Outlast melt spun fiber may be an option in this layer or in thermal nonwoven layer. In some options the nonwoven fibers in the top sheet may be wrapped by another fiber or coated with a hydrophilic foam. The foam and fiber composite, nonwoven, fabric or the elastomeric composite may be coated with a hydrophilic foam such by Hydrophilix or treated with Ultraphil, Coolfix or the like to increase the MVT function and the cooling or thermal application. Optionally layer
[0037] However,in a number of categories the nonwoven abutting the inner lining fabric or material in layer
[0038] The selected nonwoven fibers optionally may be flocked to the back side of the inner lining material, the exterior shell fabric or to any foam, foam composite such as the elastomeric composite, breathable membrane, thermal or thermal composite. Fibers may be flocked as well to the foam inclusive of the nonwoven fibers, nonwoven sheet or polymer mesh. The flocked fiber or blended fibers optional may be flocked to both sides of the nonwoven, breathable membrane, breathable adhesive or open cell foam. The thermal nonwoven such as that by Dupont or 3MM optionally may be attacked to the foam inclusive of the fibers or polymer mesh or both.
[0039] The aperture nonwoven alternatively may be mechanically bonded to the foam layer
[0040] The foam or foam and nonwoven laminated or welded combinations in layer
[0041] The inner liner fabric is a moisture transfer fabric capable of wicking moisture. The inner liner
[0042] The multi-faceted shaped polymer based synthetic and natural fiber blends lend endless possibilities in construct to the first layer. These new shaped fibers increase moisture transfer, cooling and heating applications and increase performance levels.
[0043] The first fabric or nonwoven is a moisture transfer material capable of wicking moisture. These fabrics and materials may be treated with wicking solutions to increase the moisture transfer rates. The inner liner
[0044] A list of fabrics which can be employed depending upon the individual needs of each skater are provided below. These fabrics or nonwovens may be used individually or in combination. All fabrics or nonwovens in the first layer may be treated with a wicking solution such as Coolfix, Ultraphil or the like and must provide active as well as passive moisture transfer capabilities. Fabric or nonwoven construction, fiber selection and MVT surfactants and/or coating may be employed in multiple combinations in this first layer
[0045] The first fabric is an anti-microbial, anti-fungal polypropylene (also referred to as polyolefin) lycra blend (2%) with INNOVA fiber, or the like. INNOVA is a continuous filament fiber (manufactured by Coville, Deercreek fabrics.)
[0046] The second fabric is an anti-microbial, anti-fungal polypropylene, polyester or polyester blend having a polyester or cotton, corn or lyocel backing or the like (such as that manufactured by Coville, Inc.”. This fabric has the face of one fiber and the backing of another and may vary in composition depending on the performance level of the skater.
[0047] The third fabric is an anti-microbial, anti-fungal polypropylene/cotton blend with ALPHA fiber, or the like (such as that manufactured by Intex Fabric, Inc.)
[0048] The fourth fabric is a field sensor polyester with waffle weave construction (such as that distributed by Yagi & Co., Inc. and manufactured by Toray). This fabric is constructed to transfer moisture immediately away from the foot and performs best as the liner for the soft-boot in-line skate. Alternatively, a polyester material known as Aqua-Dry, distributed by Teijin Shojin can be employed or the like.
[0049] The fifth fabric is a Technofine polyester shaped fiber by Gelanots
[0050] The sixth fabric is 3xDry process fabrics or by Schoeller
[0051] The seventh fabric is a two layered fabric by Feron Ice process on a synthetic or natural fiber or a blend of natural and synthetic fibers.
[0052] The eighth fabric or nonwoven is made from corn fibers or a blend of corn fibers with one or more of the following fibers, lyocell, acretate, PVA and polyester.
[0053] The ninth fabric is polyester fabric with an active carbon compound bonded to the polyester by a fabric Craghoppers
[0054] The tenth fabric group by Nano-Technology called Nano-Dry Fabrics
[0055] The eleventh fabric materials is a synthetic leathers preferably by Nextec of Italy, SISA or Clarino.
[0056] The twelfth fabric Technofine polyesters by Gelanots
[0057] The thirteenth fabric is a Dri-release fabrics by Optimer Performance fibers
[0058] The fourteenth fabric is Dri-line and Sphere Technology fabrics by NIKE
[0059] The fifteenth fabric is Polyguard guard by KOSA
[0060] The sixteenth fabric group is Dry-tech Comfort System fabrics by Westcot
[0061] The seventeenth fabric group is a the Thermal Pro Fabrics by Malden
[0062] The eighteenth fabric group is the Gore Windstopper N2S
[0063] The nineteenth group Polartec powerdry
[0064] The twentieth fabric is a fabric called Aquafil Dryarn by rhovyl in France and Italy.
[0065] The twenty-first fabric Sterling Performance fabric
[0066] The twenty-second fabric Dryline by Milliken
[0067] The twenty-third fabrics are Corn fibers and fabrics by Draper Knitting
[0068] The twenty-fourth fabric is Acrillian or Duraspun by Monsanto
[0069] The twenty-fifth fabric is a hydrophilic, anti-microbial Dri-Lex Baby Kid or perforated material (such as that manufactured by Faytex Corp.).
[0070] The twenty-sixth fabric is a polyester looped Terry (such as that manufactured by Fronfli Spundale Mills, Inc.).
[0071] The twenty-seventh fabric is a sueded/sanded polyester microfiber material (such as that distributed by Yagi & Co., Inc. and Teijin Shojin, Inc., Millken or Malden Mills).
[0072] The twenty-eighth fabric is an anti-microbial, anti-fungal Polar Tec Series 2000, which is a wickable, moisture transfer fiber, containing lycra, polypropylene, or the like.
[0073] The thirtieth fabric group are Sensitive Fabrics
[0074] The thirty-first fabric are polyester fabrics by Coville
[0075] The thirty-second nonwoven fabric is Evolon nonwoven by Freudenburg.
[0076] The thirty-third nonwoven wool blend by Foss Manufacturing
[0077] Any of these fabrics and nonwoven top sheets may have the selected nonwoven fibers flocked to the back surface or may be laminated to a foam that has the nonwoven fibers flocked into the back of the foam.
[0078] All of these fabrics have good moisture transfer characteristics which prevent damage to a skater's foot by preventing excessive moisture build-up. The moisture transfer inner fabrics may vary in composition and structure in this liner system as fiber technology advances.
[0079] This application constructs the following inner lining composite constructions
[0080] As stated previously all inner lining materials and fabrics are laminated, needled, stitched, ultrasonically bonded or mechanically bonded to the abutting material, nonwoven or foam. The inner lining materials or fabrics may be selected from the previously list
[0081] The first is a inner lining fabric or material abutting an open cell, hydrophilic foam laminated or needled to a nonwoven material.
[0082] The second a inner lining fabric or material abutting a open cell, hydrophilic foam where the nonwoven fibers have been flocked into the back of the foam, inner lining fabric or breathable membrane between the inner lining material and foam.
[0083] The third is a inner lining material or fabric with an elastomeric cellular composite such as that referenced in the U.S. Pat. No. 6,074,966 mechanically or ultrasonically bonded to the inner lining material.
[0084] The fourth is a inner lining material or fabric abutting a open cell, hydrophilic foam with the elastomeric cellular composite mechanically or ultrasonically bonded to the foam layer on either side or on both sides.
[0085] The fifth inner lining composite construction is an inner lining material or fabric abutting a Foss nonwoven composite constructed of one or more of the following fibers polyester (preferably 4 Deep grove by F.I.T. or a variation), Lyocel or acetate, corn, woodpulp cellulose and silver fibers.
[0086] The sixth is a inner lining fabric or material with the foam and nonwoven fibers flocked into the back surface.
[0087] The seventh is an inner lining fabric or material abutting a foam. The foam is inclusive of a nonwoven layer or fibers.
[0088] The eighth is a inner lining fabric or material abutting a moisture transfer nonwoven spacer material. Variations of the inner lining composite are on going and are suggested in multiple combinations. The intent of the moisture transfer system is to provide a complete technical solution in a extremely thin increment to accommodate the comfort needs of the user.
[0089] All of the above composite options are presumed breathable and transfer moisture. The inner lining composite abuts another open cell hydrophilic foam, nonwoven composite of foam and nonwoven and/or a thermal nonwoven, a spacer fabric or polymer mesh and the exterior shell fabric and/or material, skeletal polymer shell or a combination of one or more. A breathable membrane may be insert between the exterior shell fabric and the nonwoven, spacer product, cellulose material, polymer mesh or foam layer.
[0090] In one option a combination of foam and nonwoven, a foam and a thermal nonwoven or a foam and spacer fabric or polymer mesh are positioned in layer
[0091] The moisture transfer characteristics of the inner liner composite causes moisture vapors to be passed from a skater's body through the inner liner
[0092] In another liner option consists of an exterior shell fabric, a frothed open cell foam or free rise foam abutting a nonwoven or nonwoven thermal layer preferably by Foss Manufacturing, Dupont, 3MM or the like and the inner lining material. The foam may contain fiber and/or a polymer mesh. Phase change Technology may be added to the selected nonwoven, flocked fibers or composite or a nonwoven by Outlast, Frisby, Freudenburg or Wisconsin Global may be used abutting the exterior shell fabric material
[0093] As discussed above, first foam material
[0094] Alternatively, foam material
[0095] The previous fibers may be flocked into the back of the foam layer
[0096] One preferable embodiment for a hockey skate moisture transfer liner combines the inner lining material laminated to a foam with flocked fiber backing the inner lining or foam and a spacer fabric or polymer mesh and the exterior shell fabric.
[0097] As shown in
[0098] As shown in
[0099] A nonwoven thermal may be a Thinsulite, 3MM thermal nonwoven, Themolite, Dupont thermal nonwoven, Ssoftherm, or a Foss composite with or without foam. A shaped polyester, or synthetic fiber may be combined with a thermal nonwoven with or without foam. Alternatively, the nonwoven fibers suggested previously may be combined with the thermal or foam. The foam may be combined with the fibers, a polymer mesh or a combination in a number of performance categories. Optional the foam combined with the fiber, mesh or a combination may has fibers flocked to either side or both in some applications.
[0100] A moldable foam, spacer material, or gel or the like may also be used in place of this flexguard and foam combination or an air bladder. The moldable foam may or may not be a slow recovery foam by Rogers or the like. If it is not very breathable, it can be made breathable by puncturing. Alternatively, the moldable foam is preferably similar in construction to the second foam material, and can be a polyurethane reticulated and/or open cell hydrophilic anti-microbial germicidal foam approximately ¼ inch thick (for example Aquazone, Netsorb, Dri-z by Dicon, Comfortemp, or the like). A non-woven top sheet (with or without apertures) can be attached to the moldable foam. If a moldable foam or spacer fabric is used, then the second foam material may be omitted. Also, the moldable foam can be Aquazone.
[0101] As mentioned earlier, the third foam material
[0102] The suggested nonwoven top sheet fibers maybe flocked into the foam, combined with the thermal, inner lining material, elastomeric composite, breathable membrane or spacer fabric. The nonwoven top sheet may be mechanically bonded to the thermal nonwoven, foam or thermal composite on one side or both to provide an increase rate of moisture transfer.
[0103] The outer shell fabrics may also be treated with waterproof film and finishes or encapsulated fibers or fabrics in some performance categories. The waterproof encapsulated outer shell fabrics eliminates the need for a waterproof/breathable membrane in most categories. However, the a breathable membranes such as Gore, eVent or the like maybe combined in this application with encapsulation, finishes, films, or coating in some performance categories. In fact composites of flocked foams fibers or fabrics or nonwoven moisture transfer thermals maybe abutting a breathable membrane like Gore, event Aquador or membranes by Brookwood or the like. The outer fabrics may also be constructed to repel water with breathable membranes, encapsulated fibers or fabrics, a breathable film or coating. The selected coating and films are breathable and may be use independently or combined with a breathable membrane in some performance categories. The waterproof encapsulation is preferably by Nextec Nextec is the owner of the Canadian patent CA 1338232, 593680 applications and the U.S. Pat. Nos. 4,666,765, 5,004,643, 5,418,015, 5,209,965. Encapsulation by Nextec, Toray, ASF and others may be developed in any layer in this moisture transfer system, Preferably the encapsulation is applied to the outer shell fabric listed in this application. Encapsulation by Toray, ASF and others wraps the individual fiber or thread in a polymer base coating. Encapsulation by Nextec coats an internal layer creating a silicon coated woven fabric substrate. (U.S. Pat. No. 5,418,051 or U.S. Pat. No. 5,209,965). Encapsulation allows the moisture vapor to travel around and through the woven, knitted, nonwoven shell fabric material or elastomeric or combination.
[0104] The moisture vapor continues from the second foam material
[0105] Those under the tradenames Aquador, Entrant Dermizax, Witcoflex, Harrison Technologies membranes, eEvent, Super Dry Film, Windstopper membrane, eEvent, Dry comfort, Outdry, Active comfort, Sympatex Windler, Sympatex Elastic, Drytrail, Eclipse, Endurance, Vapex,2000/Plus/Standard1300, Seco-Tec, Dermizax,Thintech, Lay-tek Witcoflex Ecodry (by Baxenden Chemical), TX-1540, Outdry, Gore membranes, PTFE by Tetratec are currently being considered. However, the membranes currently being considered is Aquador, event and Harrison Technologies. A breathable membrane may be combined with a thermal nonwoven such as Thermolite, Thinsulite, Ssoftherm or the moisture transfer nonwoven and foam thermal disclosed in this application. Outlast fibers which regulates temperature may be combined in some options in the nonwoven Dupont products or other nonwoven blends or foam in this application. If the preceding foam layers are Comfortemp or have PCM Technology applied to the foam, then the Outlast fibers or membrane is eliminated. These waterproof/breathable membranes are ultra-thin, skin friendly moisture barriers that allow moisture vapors to escape while preventing outside water from penetrating. Outlast Technology is a Phase Change Technology contained in a membrane, a spun melt fiber or a coating and is manufactured by Gateway Technologies. Frisby Technologies which is a thermabsorb micro-encapsulation technology can adjust to temperature changes and is added to foam. PCM Technology can be added to any fiber, fabric, foam, foam composite, thermal, breathable membrane or flocked fiber blend in this application.
[0106] A number of patents have been issued to Triangle Research & Development Corp. disclosing the details related to the processes now being employed by Gateway Technologies and Frisby. For example, U.S. Pat. Nos. 4,756,958 and 5,366,801 are directed to fibers and fabrics with reversible enhanced thermal properties, respectively. The disclosures of these two patents are hereby incorporated by reference. Other patents assigned to Triangle Research & Development Corp., that are related by subject matter and have overlapping inventorship, include U.S. Pat. Nos. 5,415,222; 5,290,904; and 5,224,356. These patents are also hereby incorporated by reference.
[0107] Another patent, U.S. Pat. No. 5,499,460, which has overlapping inventorship with the above-mentioned patents, is directed to a moldable foam insole with reversible enhanced thermal storage properties. The disclosure of this patent is hereby incorporated by reference, and is illustrative of one type of moldable foam that can be used as mentioned herein.
[0108] Also shown in
[0109] The outer layer of fabric
[0110] The outer layer of fabric
[0111] Selecting the proper materials depends upon the needs of each individual skater. The non-abrasive cool fabrics used in the inner liner of the present invention greatly reduce the possibility of trapped moisture, thereby protecting the foot from fungus growth and any damage. The more aggressive skaters need a moisture transfer liner that can remove large amounts of moisture continuously from the foot. These skaters often do not wear socks, and as a result, calluses, abrasions and blisters become commonplace. A wetting agent may be applied to any of the inner lining materials
[0112] The looped polyester terry blend or the like is an excellent wicking fabric and can remove moisture rapidly. A wetting agent by Witco, or the like, may be applied to enhance wickability.
[0113] The anti-microbial, anti-fungal Dri-lex nylon and nonwoven fabrics blends are sanded and soft. The material not only removes moisture away from the foot, but is also extremely comfortable and cool to the touch.
[0114] The polyester field sensor fabric or intera treated polyesters, polyester blends or the like works well with those individuals who prefer sports or recreational skating. This liner absorbs moisture immediately and is recommended for the soft boot inner liner.
[0115] Finally, polyester microfiber fabric is advantageous in that it is coot to the touch, smooth and wickable. A wetting agent treatment enhances wickability.
[0116] As a result of using this lining system, the skater continues to have a cooler, drier foot. The lightweight Kevlar, Starlite, and Cordura, or the like, outer liner materials are twice as durable as the former heavyweight nylons often used on the outer shell, but function as a softer feeling breathable outer surface and aid in the moisture transfer.
[0117] FIGS.
[0118]
[0119] The nonwoven material such as Cambrelle Dri-Lex, Nextec synthetic leathers, Evolon a spun lace moisture management products by Freudenburg can product strength and moisture transfer properties to the tongue It should be understood that these nonwoven materials can always be substituted for the aero-spacer Dri-lex, even if not specifically mentioned in other parts of this disclosure. This material
[0120] As shown in
[0121] In-line and hockey skate tongues have in the past been synthetic hard edged forms. The shape of these tongues often did not fit the skater's foot. Furthermore, vinyl may damage the upper foot where they meet the inner lining edge during active use of the in-line skate. As a result, the skater may develop blisters, calluses, or bruises on this upper-foot area. MVT brushed microfibers, fabrics and nonwovens blends in this liner system increase performance and prevent foot damage. Additionally, the inner fabrics of the tongue liner have often been non-breathable nylon, nonwovens and vinyl, thereby increasing the possibility of foot bacteria and fungus to develop. The optional anti-microbial fiber blends and ionized fibers and fabric discourage bacteria and fungus growth.
[0122] The liners are preferably provided with a pull tab
[0123]
[0124]
[0125] Abrasive grip fabric
[0126] The 6500 high abrasive fabrics manufactured by Schoeller, inc., Nam Liong kelvar and nylon fabrics or the like, are located on the back of the cuff and the top of the toe box, heel, and tongue grip area. The Kevlar and Cordura Starlite fabrics provide comfort and durability to the liners and are extremely strong and resistant to abrasion and allow for breathability and performance.
[0127] The microfiber technology disclosed above is rapidly developing and changing and has greatly increased the potential for improved performance of such products as in-line skates, provided that they are properly utilized as in the present invention. These new products are part of rapidly developing fabric technology. The present invention employs a combination of fabrics, foam layers, nonwovens, spacer fabrics, breathable membranes, polymer mesh and cellulose materials, flocked fibers and foams technology, encapsulated technology, structural woven water repellent fabrics, or waterproof film coatings in such combinations that increase the performance of the products in which they are used as well as increase breathability. The waterproof/breathable membranes in this application may have anti-microbial fibers and/or nonwoven fibers flocked to them to increase performance properties.
[0128] It should be noted that, in the case of in-line skates, the lining system of the present invention can be applied to both shell boots and soft boots. The soft boot in-line skate mentioned earlier in the background of the invention addressed the needs of a skater to have more flexibility and comfort yet still maintain performance levels. This new technology in the hockey, ice and in-line skate industry has increased tremendously the possibilities of a lighter weight performance product. The soft boot in-line skate has numerous combination of the moisture transfer composites prior. The liner of the soft boot can be adapted to this new moisture transfer system. While the soft boot does not have a protective shell, nor a removable liner it can nonetheless be provided with a liner that enjoys all of the benefits of the liner according to the present invention. Preferably, the outer layer of the moisture transfer system for the soft boot application would be a Starlite Dri-lex nylon, Kevlar, or high abrasion Cordura fabric, such as that manufactured by Schoeller, Nam Liong or the like. These fabrics, as well as the high abrasive fabrics, are encapsulated or are provided with a waterproof/breathable membrane or coatings. A reticulated and/or open cell hydrophilic anti-microbial germicidal ⅛ inch foam or the anti-microbial nonwoven and foam blend manufactured by Foss Manufactured abuts the encapsulated outer fabric or breathable membrane. The structural mesh, combined mesh and foam composite, molded cellulose or spacer material is stitch bonded or laminated to the ⅛ reticulated or open cell hydrophilic foam. A slow recovery punctured foam, cellulose material, spacer material or silicon gel, or the like, are located in the heel pocket, tongue, and toe areas. An air bladder may also be added around the ankle areas to increase performance in some cases. The structural mesh or molded spacer materials abut a nonwoven top sheet or a foam and nonwoven composite that is laminated, stitched, or ultrasonically bonded to a reticulated and/or open cell hydrophilic ⅛″ inch foam. The ⅛″ foam abuts preferably a cellular elastomeric composite which is laminated to the inner fabric. A nonwoven top sheet laminated to ⅛″ foam may also be used in place of the elastomeric composite. Also, instead of being removable, the liner would preferably be directly attached to the base of the soft boot by methods well known in the art, such as that disclosed in U.S. Pat. No. 5,437,466. Substitutions can be made to all of the foam materials (i.e. hydrophilic open cell, Aquazone, Premium, VPF etc.) just as discussed earlier, and are not specifically repeated here. Other aspects of the present invention can be applied to the soft boot without any significant structural changes. The soft boot density is increased in the footbed, toe box, and heel plate. This added support provides protection and assists in maintaining technical performance levels. The in-line soft boot breathability would be greatly enhanced with this added moisture transfer liner system. The soft boot may also employ the nonwoven top sheets and composites in a number of combinations with the foam layers to increase moisture transfer.
[0129] Also, the soft boot outer shell may be a combination of synthetic breathable leather (such as that available from Daewoo, Inc. Nextec or the like), an encapsulated, waterproof film or breathable membrane outer fabric by DuPont, Schoeller, Burlington, Malden Performance Fabrics or any of the former fabrics mentioned, or the like, as well as synthetic rubbers, PVC, TAR or CPU, a thermoplastic composite material. Typar Nonwovens by Sontara Technologies, Texon, or the like, may be used in combination with the outer materials in high abrasion areas.
[0130] The outer shell combined materials are then laminated, stitched or ultrasonically bonded, or the like, to interior foam or foam and nonwoven layers. An air bladder may be added in combination with or in place of the molded foam and structural mesh to aid in comfort and performance. If the internal layers of foam and nonwovens are stitch bonded, it is recommended that the process with lycra thread by the Xymid group of DuPont be used or the process developed by Tietex with nylon thread, or the like. The outer shell fabric seams may be stitched or adhesively bonded. Alternatively, the outer shell is a moldable composite of shell fabric foam, needle punch thermal nonwoven with or without foam abutting inner lining material. The exterior shell material is bonded to the nonwoven by foam and may optionally include a mesh and/or fibers with anti-microbial properties. The inner lining material may be stitched, laminated or bonded with adhesives, breathable membranes or lamination to the exterior shell composite. The exterior shell fabric material may or may not be waterproofed.
[0131] The inner moisture transfer fabrics are any of the former fabrics listed as suggested for the removable liner, or the like. The foam is manufactured by Olympic Vita, Dicon, Foamex or the like, in combination with a nonwoven topsheet as mentioned or the foam-nonwoven combination may be replaced with a foam/top sheet composite referred to as a cellular elastomeric composite. Presently, this invention is considering the use of a breathable polyester, shaped polyester (4 deep grove or the like and/or polypropylene filtering material produced by Vitafibers QW 110-QW 150 quiet web or Tangerding Vliesstoffe (TH-FI 210B or FF-FI 250). These materials may be substituted for the reticulated or open cell foams previously mentioned, materials
[0132] Alternatively, the elastomeric cellular composite or the cellulose spacer material by FoxRun may have anti-microbial and/or nonwoven flocked to one side or both sides. The elastomeric flocked composite combinations may be use in numerous combinations for skate, soft boot and alpine shell boots and insert liners, apparel, medical and industrial applications.
[0133] In fact, a large numerous of the above composite combinations may be used for protective gear, sporting goods apparel, backpacks, tents sleeping bags, bouldering shoes, sailing and golf apparel and footwear, as well as, apparel and footwear. In the padding and sailing apparel and accessories the kapok fiber may be added to increase buoyancy.
[0134]
[0135] The sock
[0136] The alpine and snowboard race boot requires a thin moldable liner option. The insert liner for the alpine race boot preferably is constructed in following three options; Inner lining material abutting an open cell foam backed with a moisture transfer nonwoven top sheet. The three layer composite is laminated to the Foss thermal composite and a spacer fabric material The exterior shell fabric is laminated to the a spacer fabric material.
[0137] In the second option the inner lining material is laminated to the Foss thermal composite and abuts the breathable moldable spacer fabric and exterior shell material.
[0138] In the third option the inner lining material is welded to elastomeric composite, the moldable breathable spacer fabric and exterior shell material.
[0139] Optionally, the exterior shell fabric may be a three layer composite constructed of foam, moisture transfer nonwoven and the exterior shell fabric. The three layer exterior composite may be attacked to the breathable spacer fabric and molded. In fact, any of the combinations may be molded and welded in this inventions.
[0140] The microfiber and chemical ionized technology disclosed above is rapidly developing and changing and has greatly increased the potential for improved performance of such products alpine boot, provided that they are properly utilized as in the present invention. These new technical fibers, materials, foams and moisture transfer composite combinations are part of rapidly developing technical textiles technology industry. The present invention employs a combination of fabric, foam, moisture transfer nonwovens, moldable spacer materials, breathable membranes, coating, finishes, films, structurally woven or knitted waterproof fabrics, ionized fabrics, encapsulated outer fabrics in such combinations that increase the performance of the products in which they are used as well as increase breathability. The breathable membranes, coating and finishes are optional in alpine, hiking and climbing shoes. The removable sock liner may be insert into rubber boots and all weather boots or alpine products. The discussion above has focused upon snowboard boots, alpine boots, hiking and climbing shoe liners similar applications can be made with running shoes, helmets, protective gear or cross country boots, or in-line skates, gloves, accessories, sleeping bags, back packs and apparel with slight modifications.
[0141] The snowboard boot liner, the various layers can be combined by lamination, mechanical bonding, stitch bonding, ultrasonic bonding or a combination of these two. The second and third layers would include a foam that contacts the first layer and is a germicidal, reticulated foam or a hydrophilic, open-cell foam, such as DuPont and VPF manufactured by Foamex, DRI-Z manufactured by Dicon with or without glycerin, COMFORTEMP by Frisby and Schoeller or the like. Alternatively, these layers can be a Foss thermal composite. An elastomeric cellular composite inclusive of moisture transfer nonwoven fibers or a open cell foam backed by a moisture transfer nonwoven apertured top sheet composed of wood pulp, polyester, rayon, lyocel, cotton, or polypropylene, in a single process. A foam composite may be used in combination with a thermal nonwoven.
[0142] The fourth layer is a hydrophilic, open cell preferably, (DuPont or VPF), a slow recovery foam, or Dicon Technologies foam, or polymer flex-guard mesh or a polymer flex-guard mesh inclusive in a open cell foam or a polyester breathable spacer material (by Muller) or the like for support. In this case, the open cell foam, DuPont is laminated to a moisture transfer nonwoven top sheet composed of wood pulp, cotton, polyester, lyocel, blend which abuts a waterproof/breathable membrane (fifth layer)if used. If the flex-guard polymer mesh is used it is include in the foam in one process or the flex guard is followed by another layer of open cell (DuPont) with a moisture transfer nonwoven top sheet inclusive in the foam or abutting the waterproof/breathable membrane or an encapsulated or waterproof breathable coated or filmed exterior shell fabric. If the spacer material is used to may or may not be molded to accommodate the foot. The moisture transfer nonwoven top sheet may be eliminated in selected performance categories. The breathable spacer material abuts either a waterproof breathable membrane, an encapsulated or coated fabric. The breathable spacer material may combined with a THERMOLITE or the Foss thermal composite.
[0143] The Phase Change Technology by OUTLAST, Frisby may be added to any layer in the liner system and may be combined with encapsulated fibers and fabrics. Phase Change Technology can be used in conjunction with structurally knitted waterproof fabrics or fibers, or with the encapsulation fabrics by Nextec, Toray or the like. Encapsulation by Nextec combined with the OUTLAST Technologies is an enhance option in this embodiment, but is not essential in the products. If encapsulation is employed, then the fourth layer preferably includes THERMOLITE or the Foss thermal composite. If a non-removable liner is employed instead of a removable liner, a waterproof-breathable thin film, finishes or coating can be used instead of encapsulation or a waterproof/breathable membrane.
[0144] The sixth layer in this removable shell liner may be Cordura, STARLITE, KEVLAR fabrics or the like. The STARLITE by Faytex Corp or Faytex breathable series, Kevlar and Cordura's by Schoeller 6500, 14705, 13207, 13632, 65563 etc. and NAM LIONG's ARMORTEX Series, DERIZAX and ENTRANT Gil by Toray.
[0145] The exterior shell fabric is and preferably encapsulated or waterproofed with a breathable thin film or coating.
[0146] A liner for the alpine cross country boots has a first layer selected from a group including polypropylene, nylon blend, polyester or polyester blends, LYCRA or wool backed by cotton, wool, rayon, lyocel, acetate, acrylic, polyester or a nonwoven blend. The inner ling fabric or material may be an anti-microbial, anti-fungal INNOVA or ALPHA; sueded polyesters; polyester field sensor; looped polyester terry; Dri-line by Milliken, DRI-LEX DOESKIN or BABY KID or the like by Faytex Corp.; polyester DRI-LEX terry by Faytex; polyester fleeced blends or spacer fabric by Malden; and polypropylene backed by cotton by Coville. Alternatively the three layer composite by Faytex, Dicon or the like may abut the second layer.
[0147] The second layer in this embodiment may be a open cell foam, or a moisture transfer nonwoven composite, or a breathable moldable spacer fabric or the outer shell material. These material may be individually selected or in combinations in certain performance categories.
[0148] The second layer is a germicidal, open cell hydrophilic foam. It may be COMFORTEMP by Frisby or DuPont with Phase Change Technologies or a foam by Dicon Technologies with or without glycerin. This foam can be provided with or without a moisture transfer nonwoven top sheet. The moisture transfer nonwoven top sheet can be selected from any of the materials previously specified. Alternatively, the second layer may be an elastomeric composite or the second layer can be a open cell foam such as DRI-Z or DuPont or the like with a fiber integrated into the foam during it's construction. This composite of fiber and foam is created in one process and may in some performance categories contain a polymer mesh such as that developed by Naltex or a webbing. The open cell foam with or without the polymer mesh may alternatively, contain a fibers nonwoven sheet constructed of the above suggested fibers contained in the nonwoven backing. The assist in the absorption and transfer of the moisture passing through the moisture transfer system.
[0149] The third layer is a structural support foam or a breathable moldable spacer material by Muller Textil. The heel and arch may also have a slow recovery foam or spacer fabric added for comfort. The thickness of the layer of foam or spacer fabric and THERMOLITE may vary for performance.
[0150] The fourth layer is a thin layer of THERMOLITE, a hollow core polyester fibers, THERMOLITE combined with a with a open cell foam with or with out nature fibers such as corn fibers added. Optionally, the third layer can be a blend of moisture transfer synthetic or nature fibers blend or the THERMALFOSS nonwoven composite with or with out DuPont thermal fibers or an open cell foam such as DuPont or the like with a moisture transfer nonwoven top sheet made of wood pulp, lyocel, rayon, cotton, polyester, acrylic, acetate, corn or polypropylene. These nonwoven fibers in combinations or independently absorb and move moisture. The fourth layer may be optional in some performance categories.
[0151] The fifth layer is optionally, a breathable waterproof/breathable membrane which may be any one of the following: SECO at Shawmut Mills, THINTECH, THERMOLITE 2000/1300 standard, laytex, breathable membranes by Harrison Technologies, Sympatex, or ENTRANT Gil by Toray The OUTLAST Membrane can be used by itself, with another membrane or with encapsulation technology on the outer shell fabric, such as Nextec, Toray or the like Alternatively, instead of the membrane, encapsulation technology or a waterproof breathable finish or film may be applied to the exterior shell materials of the sixth layer and can achieve similar results. Optionally, a combination of Phase Change Technology and encapsulation fibers or fabrics by Nextec or Toray. If encapsulation is employed, then the fourth layer preferably includes THERMOLITE, a moisture transfer nonwoven blend or THERMALFOSS composite.
[0152] The sixth layer is one of the following fabrics. Note that if these fabrics are encapsulated, the waterproof/breathable membrane in the fifth layer may not be needed in combination. These fabrics include the following: Cordura; LYCRA blends; STARLITE by Faytex Corp.; KEVLAR fabric by Schoeller (14705, 6500, 13207, 13632, 65563, etc.);NAM LIONG, AROMRTEX Series, DuPont and Toray or the like, Cordura 2000 by DuPont, Dermizax and ENTRANT Gil by Toray, 3 or 4 ply Supplex; Mojave and Tudor nylon and polyester blends by Travis; 6 ply Maxus nylon blends or the like; and synthetic leathers by Daewoo, Inc., Nextec or moisture transfer nonwovens by Freudenberg, Sisa or the like. These fabrics may be used individually or in combination.
[0153] The seventh layer is a LYCRA covered neoprene, moldable spacer fabric or slow recovery foam or reticulated open cell foam ankle cuff.
[0154] The tongue for the alpine boot is similar to the tongue of the in-line skate. The tongue of the cross country boot is similar to the snowboard boot. They can be constructed of DuPont molded foams with a moisture transfer nonwoven top sheet or moldable spacer fabrics. A slow recovery foam can also be used as specified with the snowboard boot. The inner fabric is one or more of DRI-LEX, DRI-LEX Aero-spacer, polyester FIELDSENSOR polyester by Toray, Freudenberg nonwovens, DRILINE by Milliken, polyester spacer by Malden, polar fleece INNOVA or ALPHA polypropylene by Coville or Deercreek fabrics, or DRI-LEX DOESKIN nylon, polyester blends sueded or fleeced or the like. The outer tongue fabrics are high abrasive fabrics constructed of KEVLAR and Corduras by Schoellar's or NAM LIONG and DRI-LEX Aero-Spacer (or other Aero-spacer materials by Faytex, or the like, and breathable synthetic and natural leathers by Daewoo, Nextec, or the like. All the leather in this embodiment can be treated with OutDry by Nextec.
[0155] A liner for the hiking boot would include the following. The first layer is selected from a group including: polyester field sensor; looped poly terry; DRI-LEX composites by Faytex; Doeskin, baby kid, Cambrelle by Faytex; anti-fungal, anti-microbial polypropylene fabrics; INNOVA or ALPHA fleeced polyester and polypropylene blends, sueded polyester blends, COOL MAX or nylon blends, or the like. Any combination of these moisture transfer fabrics can also be used.
[0156] The second layer is a cellular elastomeric composite or hydrophilic open cell foam preferably DuPont, COMFORTEMP by Frisby/Schoeller or DRI-Z by Dicon. The OUTLAST membrane is an option in this layer. If a foam is used, a moisture transfer nonwoven top sheet selected from previously mentioned materials can be attached as a backing.
[0157] The third layer is a molded hydrophilic open cell foam preferably DuPont backed by an aperture top sheet composed of cotton, polyester, polypropylene, Lyocel, rayon, or wood pulp, cotton or the like. A moldable heel and ankle spacer fabric by Muller or the like may also be used in place of the third layer of hydrophilic foam. A breathable moldable spacer fabric or foam may be added around the toe box and back cuff. A molded heel/ankle insert by Muller Textil is preferably also used.
[0158] The fourth layer optionally is a waterproof/breathable membrane which may be any one of the following: OUTLAST membrane by Gateway Technologies combined with Seco-Tex, TX1540 (distributed by Shawmut Mills), THINTECH, THERMOLITE 2000/1300 standard, Laytex, WILCOFLEX DRY or the like. The OUTLAST Technology may also be used independently of the breathable membrane and may also be coated to the outer fabric or fibers. Also, this membrane layer may be eliminated in some models depending upon the hiker's needs. Alternatively, instead of the breathable membrane, encapsulation of the fifth layer can be performed to achieve similar results. If encapsulation is employed, then the third layer may be an open cell foam or a moldable spacer fabric, a THERMOLITE, a moisture transfer nonwoven composite or a THERMALFOSS composite. The Phase Change Technology may be applied to the moisture transfer nonwoven, foam or fabric in this moisture liner system and may be combination with outer shell encapsulated fibers and fabric, such as by Nextec, or the like.
[0159] The fifth and last layer is a combination of one or more of the following: Corduras, Supplex Nylon, STARLITE, Tudor, KEVLAR, nylon blends, polyester nylon blends, and waterproof breathable synthetic and natural leathers. Preferably, this layer is waterproofed by using encapsulation, waterproof finishes or films or coatings. Waterproof treatment to the exterior shell leathers, synthetic leathers and/or materials can be applied by OUTDRY by Nextec, DURAPEL PLUS, HYPER D-WR or ENTRANT G2-XT.
[0160] Elastomeric composite technology may be insert between the exterior shell fabric and the breathable membrane if applied or the elastomeric composite may about a moisture transfer nonwoven thermal blend one side and the exterior shell fabric on the other side. Optionally, the thermal nonwoven composite may be abutting the exterior shell material. Furthermore, the breathable liner according to the present invention could also be added to clothing such as shirts, pants, gloves, helmets, backpacks etc., by omitting elements such as the structural mesh and by adjusting the number of foam material layers and their thickness. For example, clothing preferably has a wickable inner liner, followed by an elastomeric or an open cell foam {fraction (1/16)}, ⅛ and the outer shell fabric. A moisture transfer nonwoven may or may not be laminated to the foam. Optionally, a breathable membrane abuts the foam or moisture transfer nonwoven and is laminated to the outer fabric. The outer fabric may be waterproofed by encapsulated, laminated to a breathable waterproof membrane, coated with a waterproof finish or film, or structurally woven or knitted to repel water. If encapsulation technology or a waterproof breathable film or finish is applied to the exterior shell fabric than the breathable membrane may not be applied. Indeed, the amount of foam may be replaced by a nonwoven composite blend. Presently, this liner system is combining a open cell foam abutting a open cell foam and encapsulated outer shell fabric as one embodiment Optionally, the FossThermal, THERMOLITE or a nonwoven thermal or nonwoven composite combined with foam may be used abutting the inner ling fabric and the outer shell fabrics.
[0161] This invention can also be used for industrial and medical applications by using polyester spun bonded filter products by Tangerding Vlitesstoffe, Vitafiber, or the like, combined with alternating hydrophilic foam layers and nonwoven blends. The nonwoven composites are constructed to filter, absorb and transfer moisture and microscopic particles.
[0162]
[0163]
[0164]
[0165] Layer
[0166]
[0167]
[0168]
[0169]
[0170]
[0171]
[0172]
[0173]
[0174]
[0175]
[0176] All nonwovens, foams, fabrics, materials or composites can have fibers flocked to either one or both sides. The flocked fiber blend may include silver fibers by Foss Manufacturing Co.
[0177] While the present invention has been described above in connection with the preferred embodiments, one of ordinary skill in the art would be enabled by this disclosure to make various modifications to the disclosed embodiments and still be within the scope and spirit of the present invention as recited in the appended claims.
[0178] Any composite constructions or combination of composites in this application may be applied to technical apparel, casual sportswear, protective clothing, snowboard or biking helmets, accessories, in-line skates, ice skates, hockey skates, medical and may have industrial applications.