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4540455 Method of manufacturing laminated foam plastics materials  
A method of manufacturing laminated plastics materials comprising passing a first sheet material adjacent a barrier in parallel spaced relation to the barrier which is disposed obliquely to the...
4539241 Procedure for manufacturing a building element, and the building element  
A procedure for manufacturing a building element, such as a door, wherein the surface sheets of the element are affixed to a frame and between the sheets is placed an insulation. The insulation...
4531991 Heat-insulating tubing  
A tube is thermally insulated by helically wrapping a water-repelling spacer around the tube; longitudinally folding a paper ribbon carrying a separating medium around and onto the helical spacer;...
4521466 Cellular seal coating  
A cellular seal coating is provided for uses such as assembling composite packages, which cellular seal coating is formed by electrostatically depositing finely divided, electrostatically...
4518648 Sheet material and production method thereof  
A sheet material adapted for producing pressure sensitive elements includes an electrically conductive net-shaped member having projecting and recessed portions, and an electrically insulating...
4514241 Reinsulation of pipe joints  
Insulated pipes are generally bared of insulation at their ends in order to make joints, for example welds, between the pipes. A reinsulating method and assembly is provided for the bared joints,...
4504338 Methods of producing composite foamed thermoplastic resin articles  
Aromatic polymer materials, such as polyethersulphone, polysulphone or polycarbonates in granular or porous forms with a solvent such as acetone or butanone. The resultant mixture is thereafter...
4504536 Laminated artifical leather and method of making  
Laminated artificial leather is disclosed having in between a face layer selected from an ordinary PVC or PU sheet and a bottom layer of a foamed abraded PVC, at least one intermediate layer...
4501794 Phenolic foam composites and process for making them  
A continuous process for the production of a phenolic foam composite comprises bringing a preformed layer of flexible insulating material whose thermal conductivity is less than 0.10 W/m° C. for...
4500373 Process for producing coincidently embossed decorative sheets  
First, a decorative sheet is produced by forming in sequence on a base paper such as titanium paper an ordinary printed layer and a heat-foamable printed layer, respectively with desired patterns....
4500596 Polyurethane foamed in-situ against skin terpolymer comprising ethylene and propylene  
Laminate compositions composed of polyurethane between and bonded to a substrate and a membrane of polyethylene, polypropylene or copolymer of ethylene and propylene modified to adhere to...
4495013 Apparatus and method for the continuous manufacture of foam board  
A plastic foam-forming mixture (31), e.g. a polyurethane or polyisocyanurate foam mix, deposited from one or more static dispensers (19) is metered through two spaced opposed members 14 and 18...
4493748 Process of making raised line imprinted display mounts  
A process of making raised line imprinted display mounts utilizing a foam polymer sheet having a thin polymer laminate covering includes the step of selecting a foam polymer sheet having a thin...
4488918 Non-slip plastic film  
This invention discloses a plastic film having a non-slip surface comprising spaced random patterns of rigid peaks and ridges formed by a second thermo-plastic layer coextruded with and bonded to...
4482598 Transfer sheets and production of decorative articles therewith  
A transfer sheet comprising a releasable substrate and a heat-foamable pattern, and preferably a further foaming inhibiting pattern formed thereon is prepared, and these patterns are transferred...
4482414 Foam-fillable enclosure  
An enclosure for having foam generated and contained therein is defined between two layers of flexible thermoplastic material, which are edge sealed to define an enclosed unit. One inwardly facing...
4478898 Laminated porous polytetrafluoroethylene tube and its process of manufacture  
A method of manufacturing a porous tetrafluoroethylene tube comprises forming a sheet of tetrafluoroethylene containing a lubricant, winding it into a tubular shape, wrapping reinforcing material...
4473517 Method of producing an expanded insulating layer for propellant charges  
An insulating layer is effected between a propellant charge in the interior walls of a combustion chamber of a rocket engine by applying an expandable plastic to the inside of the combustion...
4470857 Method of making foam plastic article  
The method of making a foam plastic cushion or structural part with a plurality of fastening assemblies thereon comprising the steps of applying a moisture proof barrier sheet of plastic to a...
4465734 Composite mirror panels  
A method of manufacturing a composite which includes a mirror panel comprising the steps of water-tightly bonding a first backing sheet made of waterproof material to the rear side of a mirror...
4464263 Pleated filter element and integral shield and method for making same  
A pleated paper filter element (10) has a fluid-permeable foamed-plastic shield (16) formed on one of its faces to firmly and accurately position the adjacent folds of filter media. The shield...
4459331 Full door panel and method of fabrication thereof  
The vehicle panel, such as a door panel with a pull handle, is formed from a skin with a cover portion (18) and a loop portion (12) connected by spaced sides (32). A reinforcement member (24) is...
4450610 Method of making a piston  
A piston composed at least in part of fiber-reinforced synthetic resin material, is provided with a piston base or bottom, a piston shaft or shank, and eyes for engagement with a member to be...
4448825 Thermally insulated ceramic container and method for manufacture thereof  
A generally cylindrical thermally insulated ceramic container of imposing appearance suitable for use on dining tables comprises a double-wall ceramic container and insulation formed of a foaming...
4447484 Flame-resistant vinyl foam gasket and method of preparation  
A flame-resistant vinyl-foam gasket material particularly for use as an insulating draft shield in electrical outlets and switch boxes, which gasket material comprises a layer of a flexible,...
4438166 Structural laminate and method for making same  
A process for producing a structural laminate comprising the steps of providing a composite article comprising a facing sheet adhered to a thin, substantially incompressible yet expansible mat of...
4435344 Method for producing a heat-insulating paper container from a paper coated or laminated with a thermoplastic synthetic resin film  
A heat-insulating paper container having good heat-insulating property which can be prepared easily at low cost is disclosed. The paper container is prepared by heating a paper container...
4429873 Tennis racket  
There is described a tennis racket the frame and shaft of which are formed by synthetic resin-impregnated fibres, such as glass and/or carbon fibres, aromatic polyamide or boron fibres, and the...
4425446 Urea-modified isocyanurate foam, composition and method  
A process and a foam produced therefrom are disclosed in which multi-functional isocyanate, water, a catalytic amount of a urea polymerization catalyst, and a catalytic amount of an isocyanurate...
4411949 Polymeric foams from transesterified by-product derived from manufacture of dimethyl terephthalate and laminates therefrom  
Cellular foams, particularly polyisocyanurate foams, are prepared by reacting together an organic polyisocyanate, a blowing agent, a trimerization catalyst, and a minor amount of a polyol mixture...
4409271 Lightweight construction element  
A lightweight construction element is provided with a fabric backing from untrimmed velvet fabric, coated to render it airtight and pressure resistant, with the internal space thereof allowing...
4386983 Method of making a foam structural laminate  
A structural laminate comprises at least one planar facing sheet with a rigid foam attached to one surface of the facing sheet. The rigid foam may be any polymeric material which is capable of...
4386982 Method of making a water ski construction  
A water ski formed of molded upper and lower shells made of sheet molding compound which have mating and overlapping flanges around the entire perimeter of the shells which are bonded together to...
4384905 Method of forming an insulating pipe  
The thermally insulated conduit includes an internal pipe, an external pipe, and an insulating foam which fills the interspace formed between these pipes. An electric grid, consisting of a wire...
4380252 Wire reinforced hose and method  
A hose of improved impulse life is described including an inner polymeric tube which has a relatively hard outer surface, a tightly packed wire reinforcement e.g., braid or spiral, telescoped over...
4376003 Process for bonding together boards of wood with rough or smooth surface, of sliced off or peeled veneer, product used for said bonding and final material obtained  
The present invention relates to a process for bonding together boards of wood with surface rough from sawing or with smooth surface, or sliced off or peeled veneers, wherein at least one of the...
4367105 Method and apparatus for making elongated articles having sheathed foam insulation  
Insulated sheathing, such as a covering for a bundle of flexible tubes which deliver chilled beverages to a dispensing head, may be covered on their outer side by a seamless flexible sheath and...
4362678 Method of making polyisocyanurate foam laminate  
A process for producing a laminate of polyisocyanurate foam which is the reaction product of a polymethylene polyphenylisocyanate and a polyol which is ethoxylated trimethylol propane, ethoxylated...
4351680 Technique for converting balsa logs into contourable panels  
A high yield technique to convert normally-unusable round logs of balsa or other species of wood whose diameter is less than about 4 inches into large rectangular panels that are contourable.The...
4350544 Method of manufacturing a padded panel  
A padded panel for a vehicle dashboard, console box or the like has an opening for mounting a desired article, such as an instrument, a switch, etc. The panel includes a base plate which is formed...
4349597 Production of synthetic leather  
A composite synthetic leather sheet material and method of manufacture thereof is disclosed. The composite sheet material comprises outer thermoplastic polymeric layers bonded to opposite faces of...
4348448 Molding strip having a curvilinear surface and a method for making same from laminar sheet material  
The present invention is directed not only to a method for processing composite sheet material comprising a substrate to one flat surface of which a facing has been laminated but also to the...
4348452 Prefabricated self-supporting panels and its manufacturing process  
Prefabricated self-supporting panels having two outer layers and at least one inner layer provided with a foamed mixture, wherein the inner layer comprises unsaturated polyester resins, a coupling...
4347281 Foam board having improved evenness and the method and apparatus for its continuous manufacture  
A plastic foam-forming mixture (20) is dispensed between upper and lower paper sheets (11 and 17) and the whole conveyed through metering rollers (14 and 15) to spread the mixture. The mixture is...
RE30984 Structural laminate and method for making same  
A structural laminate comprises at least one planar facing sheet with a rigid foam attached to one surface of the facing sheet. The rigid foam is characterized in that the major recurring chemical...
4335174 Honeycomb structure end closure  
An end closure for honeycomb structures is disclosed. The end closure effectively provides for the sealing of the end of a honeycomb structure in order to prevent moisture from entering and...
4335218 Process for the preparation of a foam-cored laminate having metal facers and rigid polyisocyanurate foam core prepared in the presence of a dipolar aprotic organic solvent  
Improved adhesion between the skin and core of laminates having rigid polyisocyanurate foam cores is obtained by incorporating a dipolar aprotic organic solvent, in minor amount, into the reaction...
4330494 Reinforced foamed resin structural material and process for manufacturing the same  
A structural material formed of a fiber and honeycomb reinforced foamed resin is disclosed, which is constructed by arranging a honeycomb material, the voids of which contain a foamable...
4328273 Seal having resilient core and outer cover  
A sealing element for attachment to a door, window or other structure comprises a resilient foam core enveloped by a wrap-around outer cover having a flexible portion and a relatively rigid...
4327142 Method of manufacturing goods of laminates and goods so manufactured  
A method of manufacturing a goods of laminated materials which comprises the steps of wetting with a solvent one face of a first layer of a base material, of applying on to said face a second...