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3953269 Method of making composite fabric  
A method of manufacturing a composite fabric comprising the steps of coating one surface of a web of relatively lightweight material with a layer of foamed plastics material in liquid state,...
3951717 Process for making a laminate having a foam core  
A process is provided for the continuous production of a laminated product having a foam core between two substantially impermeable cover sheets one of which has longitudinally extending,...
3951718 Method for producing reinforced insulating foam  
A method of making a reinforced insulating foam wherein an open weave fabric is tufted with loops similar to the making of a shag rug in the textile industry. Foaming material is then inserted...
3950198 Fusion of vinyl plastisol to heat-sensitive backing  
Vinyl plastisols are fused to heat-sensitive primary backings and facing yarns integral therewith and expanded thereon by the application of a heating medium in the form of high velocity steam or...
3949042 Method and apparatus for making laminar plastic sheet material  
A tubular, laminar, plastic sheet material having a core layer of oriented plastic and two outer layers of approximately isotropic plastic is prepared in extrusion apparatus whose die block has...
3947386 Polyurethane foams stabilized with hydrolyzable polysiloxane copolymers  
Linear siloxane-polyoxyalkylene (AB)n block copolymers having an average molecular weight of at least about 30,000, compositions of polyurethane-forming froths containing said copolymers, the...
3946096 Securing a filamentous extrudate into a base material matrix at least one of which is expandable  
An extrudate element is inserted into a base material so that a portion of the extrudate enters into or traverses the base material. The inserted extrudate element, the constituent of the base...
3944111 Freezer liner construction  
A freezer liner construction having improved selected foam adhesion characteristics. The outer surface of the liner is provided with a laminated release film which prevents adhesion of the...
3943018 Decorative surface coverings  
A resinous surface covering having on the surface thereof a plurality of raised cellular areas and a plurality of non-elevated areas adjacent to said raised areas, the non-elevated areas having...
3941634 Method for the preparation of paper containing plastic particles  
Forming a plastic containing paper product by introducing expandable plastic pellets between two partially dewatered webs of cellulose fibers, pressing together and heating.
3936335 Process for producing a buoyant fishing line  
A buoyant fishing line is produced with foamed core surrounded by a filamentous line with or without being coated with a flexible surface layer.
3935044 Method of manufacturing improved protective headgear  
A method is disclosed for producing a protective helmet, the method comprising placing an inner shell having a dome portion and downwardly extending side portions on a die, positioning a further...
3933549 Laminated floor manufacturing method  
A method of manufacturing foam filled laminated planks which includes continuous means for forming and feeding a longitudinally corrugated plastic reinforcing core between, and bonding it to, top...
3931881 Continuous belt system holding multiple layers  
A continuous belt system engaging and holding for parallel motion multiple layers of fabric. A pair of belts holds the layers along their edges in stacked spaced relationship while the layers pass...
3932245 Mechanical embossing of foamed sheet material  
Decorative sheet materials such as foamed vinyl floor coverings comprising, preferably, a base or substrate such as asbestos felt, a layer of foam or cellular resin material on the base having...
3922414 Form composite structures  
A foam composite structure possessing the characteristics needed for use in constructions is obtained at low cost by heat foaming a piled up formation of an alkaline silicate layer and metal sheet...
3915772 Process for the improvement of adhesion of protective layers to phenolic resin foams  
Improved shaped articles, particularly sheets or slabs, of phenolic resin foam having a covering material adhered to at least one side thereof which covering material is a fiber-containing, porous...
3915773 Method of making isocyanate-based foam-filled panels  
A process for the continuous manufacture of thin isocyanate-based foam-filled panels which comprises supporting and longitudinally conveying two sheets of facing material each in a vertical plane...
3915774 Method of building a non-deflatable tire  
A method of using foamed elastomeric material to build a non-deflatable tire. A predetermined amount of unfoamed and uncured, foamable elastomeric material is placed in the cavity of a previously...
3914485 Surface covering materials  
The invention provides a process for the production of surface covering materials having a textured effect which comprises the steps of (a) applying at least one resinous composition to selected...
3911190 Composite construction  
Disclosed herein is a composite structure comprising a layer of a gas filled cellular insulation material combined with a layer of impact resistant thermoplastic sheet material wherein a rubber...
3905849 Textured sheet material and method of preparation thereof  
The manufacture of sheets of resinous material having a permanent relief is disclosed. A process in accordance with the invention contemplates the printing of a design on the verso of a...
3902941 Cryogenic tank design and method of manufacture  
A vessel and method of manufacture of such vessel is provided for containment of a low temperature or cryogenic fluid. The wall of the vessel may be of a sandwich construction comprising a first...
3902940 Art of joining foamed members  
Controlled foaming and increase in volumetric dimensions of a number of plastic and other foam compositions is produced by dispersing or interspersing in a mass of such materials small susceptor...
3903346 Polyisocyanurate structural laminate and process for producing same  
A process for producing a structural laminate having a polyisocyanurate foam core wherein a mixture of an organic polyisocyanate and diethylene glycol are applied to a facing sheet. The facing...
3902937 Method of making controlled buoyancy electrical strand  
A fine expendable wire strand with a slow, predetermined sinking rate in sea water is formed of enamel-film insulated conductors covered, along with a tensile strand, by a polymeric foam,...
3897581 Plywood veneer of edge-bonded wet wood pieces and method of making same  
A method for bonding wet woods with specific polyurethane type liquid adhesives capable of bonding wet flitches or logs, filling and bonding cracks of wet logs, or splicing wet veneers. The wet...
3895983 Process of fabricating a plastic net laminate material  
A process for the fabrication of a laminate material wherein one of the layers comprises a plastic net made of a foamed or expanded plastic and a layer of preformed continuous sheet material is...
3896199 Method for making simulated wood panel  
A simulated wood panel comprising a substrate with rigid elongated reinforcing members and foamed polymer coating which is molded to simulate the appearance of wood grain. The method for making...
3887409 Vinyl structure having an embossed top layer and a foam base  
A vinyl structure is made by a specific technique which yields an embossed top layer and a foam base. The embossed top layer is made of a material which fuses and which is embossable at a lower...
3887410 Method for fabricating double-skin foam core construction panels  
A method of fabricating double-skin foam filled construction panels wherein the two sheets are joined along adjacent first edges by a resilient strip connection; the two sheets are separated along...
3959050 Plaque board with polyurethane core and method for construction same  
A plague board comprises a solid polyurethane core enclosed by a high grade wood which forms all exterior surfaces thereof. A wooden frame is secured between the peripheries of a pair of spaced...
3881276 Doll including a joint member with filling opening and gas vent therein  
Apparatus for attaching a doll's limb to a torso in which a relatively rigid synthetic resin, socket-forming-like element having a frusto-conical central boss provided with a top having a central...
3881972 Continuous process and machine  
A continuous process and machine for manufacturing three-dimensional fiber reinforced insulation for cryogenic containers for shipping liquid natural gas. Spaced layers of open weave fabric from...
3877967 Method of improving the strength of adhesion of cellulosic coverings to phenolic resin foam materials  
A method for improving the strength of adhesion of a fibrous covering material to a phenolic resin foam which comprises treating the fibrous covering material, on at least the side which is to...
3872201 Method of curing foam inflated tires  
A method for expanding and curing foamable elastomeric material which is placed within the cavity of a previously molded tire. The tire, filled with foamable rubber material, is mounted on a wheel...
3867492 Method of manufacturing objects containing a cavity filled with a rigid foam of polyurethane  
Manufacture of aritcles containing a cavity filled with rigid polyurethane foam by locating in the cavity or in the place which is to become the cavity a flexible polyurethane foam impregnated...
3865661 Process for manufacturing a porous thermoplastic resin article reinforced by a glass matt  
Thermoplastic resin is mixed with glass fibre matt or matts, and the resulting mixture is heated above a temperature at which the resin is at least molten on its surface and compressed to form a...
3864206 Structurally Supported, Dimensionally Accurate, Shaped Articles and Method of Producing the Same  
A method of producing dimensionally accurate, structurally supported, shaped articles includes forming a wet felted mat of pulped fibers on a foraminous forming mold, filling a hollow portion of...
3864181 Polymer foam compositions  
A composition and method for forming foamed polymers is provided. The compositions comprise a dispersion of microspheres in a solution of the polymer in a solvent. The compositions are applied to...
3859162 PRE-PREG MATERIALS, CHEMICALLY INTEGRAL COMPOSITE FOAM STRUCTURES PREPARED THEREFROM, AND METHODS OF PREPARATION  
Pre-preg materials and flexible tapes comprising polycarbodiimide prepolymers and a fiber reinforcing material, and reinforced, chemically integral, composite foam structures prepared from said...
3855027 ON-SITE FABRICATION OF ANTENNAS  
Large parabolic reflectors are constructed on-site from raw materials supplied in a kit, wherein the reflector is formed on an inflatable mold having a convex surface with appropriate contour....
3855028 METHOD OF FABRICATING STRUCTURES  
A method of fabricating insulated and insulated/sound deadened structures such as duct-work, pipe and housings and the like from sheet and strip material. A coating of a foamable plastic is...
3853652 PROCESS FOR PREPARATION OF SLATES OF SANDWICH ARRANGEMENT  
A novel process for the preparation of slates of a sandwich arrangement is provided, which comprises coating a polyurethane prepolymer compound solution formed by incorporating a water-conductive...
3846054 APPARATUS FOR FABRICATING DOUBLE-SKIN FOAM CORE CONSTRUCTION PANELS  
A method of fabricating double-skin foam filled construction panels wherein the two sheets are joined along adjacent first edges by a resilient strip connection; the two sheets are separated along...
3844814 FOAMED DECORATIVE COVERING MATERIAL AND METHOD OF MANUFACTURE  
A method for making a sheet type decorative covering product having relief and color pattern effects in registry with each other, comprising application of a coating of liquid resin material to a...
3819438 METHOD FOR PREPARING DIMENSIONALLY STABLE PLASTIC SURFACE COVERINGS  
A flexible, dimensionally stable plastic surface covering having a non-foamed poly(vinyl chloride) layer containing cross-linked polymer positioned between two foamed poly(vinyl chloride) layers,...
3819463 CARPET AND PREPARATION THEREOF  
A highly satisfactory carpet is prepared by applying to the back of a filamentary carpet a mixture of expandable microspheres and a film forming binder, drying and foaming the mixture on the...
3818085 PRESS METHOD OF MAKING EXPANDED THERMOPLASTIC SHEET  
The invention is a novel method of making an expanded thermoplastic sheet, typified by rigid sheets having an expanded ABS resinous core and unexpanded thermoplastic facing sheets integrally...
3811478 TUBE WALL  
A tube wall is formed by spirally winding in abutting relationship a flexible hollow strip of substantially rectangular cross-sectional outline, the outside of the wound strip constituting the...