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5151240 |
Leather-like material having excellent water vapor permeability and suppleness and its manufacture
A leather-like material having a soft feed and a high water vapor permeability comprises a substrate of a fiber aggregate and a microporous grain layer mainly comprising a polyurethane elastomer...
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5151228 |
Process for manufacturing large-size porous shaped bodies of low density by swelling
In order to manufacture large-size porous shaped bodies of low density by swelling clay masses by supplying heat thereto, a plate-like, self-supporting clay mass is used, it is given an all-round...
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5143817 |
Solid imaging system
An apparatus and method for fabricating integral three-dimensional objects from successive layers of photoformable compositions by exposing the layers of the composition through a detachable...
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5132157 |
Stretched films of polyproplene
A stretched film of polypropylene which is excellent in transparency, substantially free of an antiblocking agent and at least uniaxially stretched and which is characterized in that it has...
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5108814 |
Embossed oriented film
Oriented or strength-enhanced embossed film is produced by introducing a thermoplastic film having an inert liquid lubricant covering its surfaces into the nip between at least one pair of rotating...
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5104600 |
Method of making prevulcanized treads of constant curvature
A method of making a prevulcanized tread particularly useful for the recapping of tires having, in stress-free condition, a constant curvature in its longitudinal direction whose radius corresponds...
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5104718 |
Prepreg and process for producing the same
A novel unidirectionally paralleled fiber reinforced thermosetting resin prepreg excellent in moldability which has plural grooves arranged continuously in longitudinal direction on at least one...
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5096527 |
Process and apparatus for embossing with cylinders having protrusions inclined in two directions
The web embossing machine of the present invention has two embossing cylinders brought close to one another for combining two paper webs by the pressure contact between mutually corresponding...
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5093068 |
Method of producing multi-ply embossed fibrous webs
A method is disclosed for the production of a multi-ply sheet product in which separate non-woven fibrous webs are combined into a multi-ply sheet before embossment, embossed as a multi-ply sheet,...
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5091032 |
Multi-nip high-speed paper converting
A converted product which is particularly high both in bulk and in perceived softness is produced by pre-embossing the plies individually, joining the plies and calendering and again embossing. In...
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5080954 |
Surface covering with inverse spherulite patterns
A surface covering, particularly a floor covering, has a visible surface with inverted images of spherulites. The inverted spherulities are formed on the visible surface by solidifying the visible...
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5076872 |
Process for preparing a flexible composite material
A flexible composite material comprising a core composed of a blend of a thermoplastic resin fiber and a reinforcing fiber, and a flexible sleeve formed of a thermoplastic resin and surrounding the...
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5053176 |
Method and apparatus for creating controlled color patterns in formed vinyl sheet article
A method and apparatus (10) is provided for producing vinyl siding (76) having aesthetically pleasing, wood-like striations embedded therein. Apparatus (10) includes processing structure (12) for...
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5024799 |
Method for producing an embossed oriented film
Oriented or strength-enhanced embossed film is produced by introducing a thermoplastic film having an inert liquid lubricant covering its surfaces into the nip between at least one pair of rotating...
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5006292 |
Manufacturing uniaxially drawn oriented polyolefin film for electric insulation
A uniaxially drawn oriented polyolefin film for cable insulation, has a thickness of 80 to 250μ and is composed of a crystalline polyolefin having a melt index of 10 or more and 0.5 to 20 phr of...
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4997505 |
Surface coating process
A process for surface coating of materials with plane surfaces in which on the material with plane surface paint- and lacquer material(s) is(are) applied as wet paint in one or several layers, each...
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4990375 |
Method of forming receptor sheets with an image-bearing non-receptor surface
A receptor sheet for image-transfer processes is provided by providing a backside polymeric coating on the sheet with differential surface characteristics which can be visually observed. The...
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4978486 |
Method for preparing perforated film
A method for preparing a perforated film, for use in the field of sanitary, food packaging and industrial materials, by thermally embossing an oriented polyolefin film with an embossing roll having...
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4968370 |
Replication of information carriers
A process for producing an information carrier containing recorded audio and/or video information wherein a web of a thermoplastic material is extruded onto the patterned surface of a metal master...
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4954297 |
Method and apapratus for forming a matte finish on resin-coated webs or sheets
A glosser, and method of glossing, includes a belt-type glosser in which resin-coated web or sheet material is pressed or molded against a casting surface of the belt under heat and pressure, and...
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4942000 |
Contactless knurling process for winding of high modulus thermoplastic films
A contactless method for knurling thermoplastic film to improve its winding characteristics is disclosed. A preferred embodiment employs an ink jet printer to intermittently deposit ink upon at...
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4933127 |
Process for improving the slip properties of a ski sole made of powdered high density polyethylene of very high molecular weight
A process for improving the slip properties of a ski sole that includes instantaneously compressing a high density polyethylene powder to soften the material and passing the softened material...
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4929303 |
Composite breathable housewrap films
Composite breathable film comprising a breathable polyolefin film heat laminated to a nonwoven HDPE fabric. Preferably, the breathable film is prepared by melt embossing a highly filled polyolefin...
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4927588 |
Method multi-ply embossed fibrous sheet
A method and apparatus is disclosed for the production of a multi-ply sheet product in which separate non-woven fibrous webs are combined into a multi-ply sheet before embossment, embossed as a...
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4921653 |
Method of forming a porous polyolefin film
A gas-permeable porous film which is prepared by stretching a film made from a mixture containing a polyolefin resin and an inorganic filler at least uniaxially and possesses a rugged pattern on...
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4921563 |
Method for making foldable plastic products
A method is disclosed for making plastic products that enables adjacent portions thereof to be easily folded into juxtaposed relationship. A hinge is formed by utilizing an angled or curved cutting...
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4913911 |
Embossing machine for textile materials
An embossing machine wherein two driven embossing rolls are provided with ripheral knobs and depressions. The knobs of one roll extend with clearance into the depressions of the other roll and vice...
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4908163 |
Nonwoven medical fabric
A nonreinforced microfiber fabric is disclosed. The fabric has minimum grab tensile strength to weight ratio greater than 0.8 N per gram per square meter and a minimum Elmendorf tear strength to...
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4902366 |
Process and apparatus for bonding and embossing sheet materials, particularly fiber matting
A process and apparatus for bonding and embossing of sheet material is disclosed. The apparatus uses a pair of rotating calender rollers which are spaced apart. Sheet material is introduced into...
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4897030 |
Apparatus for lengthwise folding thermoplastic strip material
A flat stock strip of thermoplastic material is passed through a heating station in contact with the edges of longitudinally oriented heated knife blades to heat soften the stock strip along narrow...
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4897228 |
Method for producing optical disk base
A method for producing an optical disk base to store, record, and retrieve sounds, images, and information. An improved method for producing an optical disk base includes the steps of injecting a...
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4892544 |
Methods for forming hollow, porous-surfaced elastomeric bodies
A method of forming hollow, porous elastomeric bodies and hollow, duo-layered elastomeric bodies wherein one layer is porous and contiguous with the other layer which is solid by (a) coating a...
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4880589 |
Process of making a non-oriented, surface-roughened film or sheet
A process for production of an essentially non-oriented surface-roughened film or sheet comprising a crystalline homopolymer or crystalline copolymer of 4-methyl-1-pentene having a surface...
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4867597 |
Recessed metal-to-plastic joint
A small metal member (50) is secured to a surface (32) of a plastic member (30) by lock tabs (54) bent into a recess (34) in the surface (32), and the plastic material of a central boss (38) in the...
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4859519 |
Method and apparatus for preparing textured apertured film
Apertured polymeric films for use as a liquid permeable facing material on absorbent products such as diapers and sanitary napkins is textured by a dual embossing process. The film is preferably...
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4844766 |
Process for continuous production of termoplastic webs
A process for continuous fabrication of thermoplastic webs from at least one extruded thermoplastic web heated to processing temperature. This thermoplastic web is cooled under the application of...
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4842794 |
Method of making apertured films and net like fabrics
A method of making apertured films including the step of perforating films of thermoplastic materials with embossing rolls engraved with patterns which form small slits or incipient slits in the...
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4842786 |
Method for producing an embossed gypsum panel
A method of making an embossed gypsum panel including an embossing device mounted on a moveable support and positioning the device so that it is located at the point of "set" of the gypsum slurry...
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4836874 |
Method of mass producing damage-resistant compact discs
Compact discs are continuously mass produced by continuously rotating a master roller about whose periphery a plurality of optical disc patterns are sequentially arranged in order to form inverse...
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4816102 |
Method and apparatus for forming an elongated composite part
A method and an apparatus for forming elongated composite parts having constant cross sections. The apparatus comprises a form having a cross section, a portion of which is complementary to a first...
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4814124 |
Preparation of gas permeable porous film
A gas permeable porous film which is prepared by stretching a film made from a mixture containing a polyolefin resin and an inorganic filler at least uniaxially and possesses a rugged pattern on...
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4812284 |
Process for heat treatment of nonwovens
The process serves essentially for the thermal bonding of lightweight nonwovens. For this purpose, the nonwoven is heated up by means of air penetration on a sieve drum of a flow dryer to a high...
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4810451 |
Process for the preparation of polyurethane films for blood or infusion bags
Process for the preparation of translucent matt polyurethane films with a rough surface by extrusion of thermoplastic polyurethane elastomers to flat films or tubular films, characterized in that...
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4808363 |
Composite web decurling apparatus and method
An apparatus for treating a moving web of laminated composite material of the type having a relatively thin film layer adhered to a relatively thick paper layer for eliminating the tendency of the...
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4803032 |
Method of spot embossing a fibrous sheet
A method of embossing a sheet of non-woven fibrous web, e.g. toilet tissue, with a series of identical boss elements arranged in a uniform pattern in a manner to avoid nesting of the embossments...
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4797246 |
Continuous manufacture of a perforated plastic film
A process is disclosed for the continuous manufacture of a perforated plastic film, where the plastic film is extruded directly from the extrusion unit either onto one roller of a pair of rollers...
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4792426 |
Precision control of the thickness of heat-softenable material
A process for precisely controlling the thickness of a heat-softenable sheet material (52) comprising heating the material to bring it to a softened condition, compressing the material while in the...
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4788021 |
Method for fabricating a sawtooth clamp cushion
A method of fabricating a clamp cushion for use with a clamp device for mounting and restraining wires. Uncured resilient material is extruded through an extrusion die to form an extrusion having a...
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4787837 |
Wear-resistant ceramic, cermet or metallic embossing surfaces, methods for producing same, methods of embossing articles by same and novel embossed articles
Wear- and corrosion-resistant ceramic, cermet or metallic patterned embossing surfaces, e.g., as a coating bonded to an embossing roll, containing an average of 50 to 2,000 peaks per inch covering...
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4781558 |
Apparatus for making an embossed gypsum panel
An apparatus for making an embossed gypsum panel on a conveyor including an embossing device mounted on a movable device such that the embossing device can be moved to the optimum location for...
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