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4902369 |
Method for the processing of liquid crystal polymers
Described and claimed are a process for preserving the orientation of a liquid crystal polymer/during lamination which comprises carrying out the lamination bonding at a high temperature below the...
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4902365 |
Method for making a composite sheet-like structure
A contiguous planar composite sheet-like structure includes a pair of outwardly facing laminar thermoplastic sheets having generally planar outwardly and oppositely facing surfaces and a honeycomb...
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4898633 |
Article containing microencapsulated materials
Articles comprising a thermoplastic substrate bearing rupturable microcapsules in a binder on at least one surface thereof. These articles can be applied by means of heat and pressure to porous...
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4894107 |
Process for making multiple layer polymeric films
Novel films, and processes for making them, are provided. The films are characterized by the inclusion of a layer of vinylidene chloride copolymer between at least two other layers which contain...
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4872935 |
Apparatus and method for bonding a plastic container and spout
An apparatus for forming a bond between a plastic fill spout and a plastic container immediately after forming a bore through the container, includes a tool with a bore forming platen at its...
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4865778 |
Composite diffuser assembly
A porous, rigid diffuser assembly formed by securing a porous diffuser element to a plastic baseplate along a limited-zone perimeter by temporarily rendering the baseplate semi-plastic, pressing...
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4854993 |
Apparatus for and a method of bonding a low density material to a plastic substrate and product thereof
An apparatus for and a method of bonding low density or thin gauge polyurethane foams to polypropylene substrates, said apparatus including, a revolvable turntable for indexing the workpieces to...
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4846914 |
Forming system for thermoformable parts with flexible web coverstock
The present invention is directed to a method of manufacturing a thermoformed, form-retaining article comprising a form-retaining thermoformable substrate and a flexible web coverstock. The method...
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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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4838974 |
Method of forming multilayer composite panels with specular surface
Thermoplastic panels are formed and laminated together simultaneously by using a roller to provide vertical pressure to two heated thermoplastic sheets, one a composite thermoplastic sheet, the...
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4832768 |
Method of forming plastic fastener and plastic accessory strips and uniting the same with a film
For producing a plastic film having a plastic fastener, with male and female interlockable profiles, and accessory strips, such as ribs and strips, in preparation of a reclosable plastic bag, there...
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4826552 |
Process for the production of multiple-layer moldings
A process for the production of multiple-layer moldings from a substrate, member based on polypropylene and an elastomer foam is provided wherein lamination of the foam to the substrate member and...
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4820570 |
Laminated insulation
A laminated insulation paper of the type having two cellulose layers separated by a plastic layer is formed with through holes in the plastic layer such that the respective cellulose layers may...
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4772348 |
Method of making a gas barrier laminate
The disclosed laminate includes a layer of a saponified copolymer of ethylene and vinyl acetate thermally bonded directly (without use of an adhesive) to a layer of thermoplastic with a high...
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4769274 |
Relatively inexpensive thermoformable mat of reduced density and rigid laminate which incorporates the same
A relatively inexpensive mat is provided which through the application of heat and pressure readily can be densified to form rigid shaped articles having a reduced overall density. The mat is...
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4764177 |
Method of transfer printing plastic molded articles having patterns of characters and/or symbols on their top faces and front side faces and pattern imparting machine
A method of making plastics molded articles having patterns of characters and/or symbols on their top and side front faces, wherein, after a transfer sheet having a top face pattern, a front side...
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4764235 |
Process and apparatus for sealing semiconductor packages
An apparatus and method are described for sealing semiconductor packages made from a thermoplastic resin wherein a lead frame is positioned vertically at a center axis of the apparatus and a pair...
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4764328 |
Method of fusion bonding low density thermoplastic bodies
A method for contact fusion bonding of compressible, low density thermoplastic parts is disclosed, which comprises essentially: (a) fluidizing only a surface film on opposed mateable margins of the...
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4753700 |
Packaging film
A multilayer film useful in the packaging of high acid food products at elevated temperatures comprises a core layer of ethylene vinyl alcohol copolymer, two intermediate layers each comprising a...
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4740413 |
Bonded synthetic-resin filter plate and method of making same
A thermoplastic polyolefin substrate, preferably polyethylene or polypropylene, is joined to an ethylene-propylene polymer, preferably an ethylene-propylene-diene elastomer, by first locally...
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4738891 |
Polyester film laminate and cassette recording tape comprised thereof
Colored polyester film laminates, well adopted as leaders for cassette recording tapes, are facilely produced by (a) coating one face surface of a first length of polyester film with a layer of...
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4725328 |
Single ply roofing applicator
An applicator for applying sheet material to roofs, floors and the like that includes a frame with a mount for a roll supply of the sheet material. A heater heats the lower surface of the sheet...
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4725460 |
Optical filter and the method of preparing the same
This invention provides an optical filter comprises of a pair of solid polymer films, wherein (1) a first solid polymer film has a planar alignment of a cholesteric liquid crystal structure of...
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4721643 |
Laminated structure for interior finishing materials, and method of production thereof
A laminated structure comprising a laminated foamed sheet material composed of two cured foamed sheets each comprising a propylene-type polymer and an ethylene-type polymer and being laminated to...
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4719169 |
Protective coating for images
The invention provides a method for protecting an image which comprises providing a colored image on a substrate and either: A. Applying an antiblocking layer to a release surface of a temporary...
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4714509 |
Method and apparatus for laying down tapes
An advancing, reinforced, thermoplastic tape is pressed on a partially built, composite structure as the mating surfaces are heated to the melting point by a beam of high temperature, radiant...
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4707207 |
Method for processing and applying a protective foil
A method and an apparatus are described for processing and applying a protective foil to a flat sheet made, more particularly of a thermoplastic synthetic material. The protective foil is used to...
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4693940 |
Laminate and method of preparing same
In a laminate comprising adjacent layers composed of incompatible polymers, the adhesion between the layers is enhanced by irradiation of the laminate, and can be further enhanced by high...
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4685989 |
Process and apparatus for producing welded can body with an organic coated welded part
A process and an apparatus for producing a welded can body having an organic coated welded part are provided in which the exposed metal portion on the inside of the welded part of the can body and...
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4668239 |
Method of applying a dye image to a plastic member
A method of applying a dye image to a plastic member and the image bearing member thereby formed. A disperse dye having a melting point which is below the thermal deflection temperature of the...
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4662966 |
Apparatus for transfer printing
A transfer printing machine in which the articles to be transfer-printed are held in a holder made of a material which does not substantially expand when heated and the articles are heated by an...
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4655872 |
Welding apparatus with integral frame assembly
A welding apparatus for welding together overlapping ends of two lengths of thermoplastic synthetic resin sheets at a welding station comprises a wedge-shaped heating device for softening the...
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4608103 |
Production of foam core insulating panels
Two rectangular rigid foam boards are supported horizontally above and below an elongated horizontal heating blade which extends laterally across the width of the boards. The heating blade is...
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4601768 |
Method and apparatus for treating plastic welds to relieve stresses therein
To relieve stresses in a plastic weld which may weaken the weld and increase its susceptibility to solvent-induced crazing or cracking, forces are applied to the weld zone (the interface between...
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4589942 |
Method for laminating a composite assembly
A method for laminating a composite assembly having outer films of plastic to provide such a composite assembly without appreciable transverse curl. The method includes the steps of preparing two...
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4588458 |
Single ply roofing base sheet adherence method
An improved method of adhering a waterproofing membrane to an underlayment and substrate is disclosed. A perforated underlayment comprising a tough, fibrous reinforcing base layer or matting...
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4584044 |
Method of heating and removing fusible road markings from a road surface
This invention concerns treatment of the heat-fusible materials by use of a fusing agent, according to which a fusing agent capable of producing red hot "embers" by combustion is applied to the...
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4581091 |
Carpet tape layer
An apparatus and method for dispensing carpet seam tape below and centered with respect to juxtaposed edges of adjacent carpet sections. The apparatus includes a tape holding container having a...
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4579617 |
Method of manufacturing tanks, containers, pipes, etc.
Tanks, containers, pipes, etc., of sandwich construction may be manufactured by winding an inner sheet (3) onto a rotating mandrel (1), by then winding a hard insulation (8) which has been softened...
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4576669 |
"On demand" apparatus and method for producing air-cushioning product
There is depicted and claimed "on demand" apparatus and method for producing air-cushioning material for end-user manufacture. There are two arrangements and both provide economy of apparatus,...
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4570990 |
Visor covering
A visor includes a snap-in frame which extends inside a visor mirror receiving recess and engages its sidewalls compressing upholstery fabric against the walls and securely holding it in place. In...
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4563229 |
Method and means for the continuous manufacture of a flexible multi-layer compound structure of controlled perviousness
This method is directed to the continuous making of a flexible compound structure having a controlled perviousness and consisting of an assembly of a textile web, a thermoplastic film and a foam...
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4552605 |
Utilizing particulate adhesive for laminating plastic film to the surface of metal
In a method for laminating a film of a synthetic resin to the surface of a base metal, the improvement which comprises coating an adhesive synthetic resin powder either as such or as a dispersion...
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4543295 |
High temperature polyimide film laminates and process for preparation thereof
High temperature polyimide film laminates and a process for fabricating large-area, void-free polyimide laminate structures wherein multiple-ply polyimide film laminates may be constructed without...
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4539057 |
Method for producing an elastic body with protective layer
Hospital mattresses are generally made of foam plastic having predominantly open cell cores and are in the form of a parallel-epipedic block which is provided with a protective layer consisting of...
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4523371 |
Method of fabricating a resin mold type semiconductor device
A resin mold type semiconductor device comprising molded articles for sealing, each consisting of a resin material and having a gap portion thereinside; a semiconductor element positioned in said...
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4518651 |
Microwave absorber
A flexible composite material is disclosed which exhibits a controlled absorption of microwave energy based on presence of particulate carbon in a polymeric matrix bound to a porous substrate. The...
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4517255 |
Method for production of metal sheet covered with polyester resin film
A method for the production of a metal sheet covered with polyester resin film which comprises laminating a polyester resin film which is preferably crystalline and oriented onto a metal sheet...
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4514242 |
Methods for oscillatory bonding of dissimilar thermoplastic materials
Methods are disclosed for the bonding together of two similarly shaped articles of dissimilar thermoplastic materials utilizing oscillatory motion between the two articles combined with an external...
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4507168 |
Method for mounting a faucet on a paper container and apparatus therefor
The present invention relates to a method for mounting a faucet on a paper container which is used as a container for milk or the like. That is, the method comprises the steps of heating the...
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