Matches 201 - 250 out of 413 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
4668729 Process for compression molding of thermoplastic resin and moldings molded by said process  
The present invention concerns a process for a thin sheet molding of a thermoplastic resin easily and economically and also the thin oriented sheet molding prepared by such a process. Its specific...
4647416 Method of preparing a vascular graft prosthesis  
A ribbed, porous tube suitable for use as a vascular graft prosthesis is prepared by scoring a stretched or unstretched tube of PTFE, stretching the tube at 200°-320° C. to develop the desired...
4639347 Process of making crimped, annealed polyester filaments  
A process for annealing drawn polyester filaments with saturated steam of at least about 150 psig provides products with a novel fine structure that results in an improved balance of strength,...
4631163 Method for producing a tubular object of polyethylene terephalate or similar thermoplastic material from a tubular blank of amorphous material  
An object is produced from a tubular blank (10,15,17) of thermoplastic material of the type polyester or polyamide, preferably of polyethylene terephthalate by reducing the thickness of amorphous...
4620382 Apparatus for tensioning a heliostat membrane  
An apparatus for pneumatically or hydraulically tensioning a membrane, which stretched membrane can support a reflective surface for use as a heliostat in a solar energy collection system.
4617849 Washer cutting procedure  
A process for cutting washers, gaskets, seals and the like from elongate stock having elastomeric properties in which the stock is stretched longitudinally and cut transversely while stretched to...
4609517 Sheet flattening method  
A method and apparatus for flattening curled ones of a plurality of moving paper sheets subsequent to the printing and at least partial drying thereof is disclosed. The sheets are transported...
4605457 Tape tension control system  
A method and system for tensioning and applying a foam core tape having pressure sensitive adhesive faces to a body side molding. The method is effected to obtain the necessary stretch in the foam...
4603174 Stretched polypropylene film  
A stretched polypropylene film having excellent see-through characteristics, which is prepared by stretching in at least one direction a polypropylene resin sheet containing 0.05 ppm to 10,000 ppm...
4595169 Mold for making a fastener assembly  
There is disclosed a mold for making a fastener assembly which is substantially less expensive to construct and maintain than existing molds. The disclosed mold uses one-half the number of ejector...
4581192 Empirical method for determining the shape of a vehicle body membrane panel  
The shape of a non-axisymmetric vehicle body membrane panel is determined by placing a sheet of material over a scaled opening in a frame or support; constraining the edge portion of the sheet of...
4579784 Laminates on the basis of polypropylene and process for preparing such laminates  
The invention accords to a laminate at least consisting of a first layer from a mixture of at least a propylene polymer and an ethylene-vinylalcohol copolymer and a second layer from at least one...
4575445 Method of manufacture of long cogged V-belts  
A method of forming a long cogged power transmission belt including extending a continuous looped vulcanizable belt preform element about a pair of axially parallel spaced support members,...
4575444 Fabrication of flexible panel with reinforcing ribs  
Flexible, reinforced paneling produced by molding a sheet of stretch reorientable plastics material including a plurality of reinforcing ribs and stretching the sheet along one axis to elongate it...
4545105 Method of making bright-faced reinforced plastic bumper  
A structural article such as an automobile bumper includes a plastic body portion having an outer surface and a single metal sheet stretched to be completely disposed about and fixedly secured to...
4543226 Method and apparatus for heat setting fastener elements  
A method of heat setting spaced fastener elements on a fastener chain includes contracting a formed thermoplastic wire constituting the fastener elements, while heating the fastener chain to which...
4530811 Process for the manufacture of a blank for a container  
A process of producing a tubular pre-moulding of a thermoplastic material, suitable for subsequent shaping to form containers by a rolling process. The material in a part of a tube is axially...
4522670 Process for manufacture of tamper-resistant polyester credit cards  
The present invention relates to a credit card or identification card fabricated from amorphous polyester sheet material wherein at least the area of said card containing embossed numerical or...
4518340 Apparatus for the manufacture of a blank for a container  
Apparatus for producing a tubular premoulding of a thermoplastic material, suitable for subsequent shaping to form containers by a rolling process. The material in a part of a tube is axially...
4518555 Manufacturing an active suspension electromechanical transducer  
A process for manufacturing an electrochemical transducer, having at least one active element in the form of at least one film of a polymer material, comprises the following steps. First, clamping...
4503006 Method and apparatus for manufacturing tag pin assemblies  
A method of manufacturing tag pin assemblies in which individual tag pins each comprising a head and a crossbar integrally connected by a filament are integrally but severably connected in the...
4483814 Method and apparatus for forming stretched resin sheet  
A rigid, one-piece, thin-walled shaped body of stretched plastic whose edge is not in one plane and which has a surface approximating the mathematical minimal surface is disclosed which can be...
4477508 Edge treatment to prepare non-circular plastic sheets for compression stretching  
Treating a plastic sheet blank, preferably an acrylic resin sheet, along its edge surface by applying a groove of non-uniform depth to its edge surface along a side of the blank having a length to...
4475971 Method for forming strong cross-laminated films  
There is provided a method for forming a cross-laminated plastic film by (1) forming flat, composite, coextruded film having a higher melting layer and a lower melting layer, (2) orienting the...
4476082 Methods for fabricating electrical phase insulators for dynamoelectric machines  
Methods and apparatus for making electrical phase insulators for dynamoelectric machines are disclosed wherein a phase insulator includes two spaced apart planar portions formed of an insulating...
4473524 Method for molding and stretching a harnessing device  
Bundling of objects using a harnessing device with a locking head and a strap with teeth that are controlled by stretching. The locking head contains a pawl or tang that engages the teeth of the...
4462950 Method of producing a tubular article having an annular groove therein  
A tubular article having a peripheral groove is formed by providing the groove in the wall of a tubular blank made of thermoplastic material such as polyethylene terrephthlate groove by applying...
4440541 Polarizer: dichroic dye in oriented polyacrylic acid/chitosan complex sheet  
A dichroic light polarizer comprising a sheet of molecularly oriented polyacrylic acid/chitosan complex having incorporated therein a dichroic dye.
4436682 Roll compacting of polymer powders into fully dense products  
A flowable thermoplastic polymer powder is fed to the nip of a pair of cooperatively rotating compression rolls whereupon the polymer feed is passed between the rolls which compact and cause the...
4429437 Assemblages of fasteners  
Assemblages of fasteners are manufactured as a product by the method of molding assemblages of connected individual fasteners and simultaneously stretching the fasteners while subjecting them to...
4420443 Method for producing spherical particles of carbon and of activated carbon  
A method for producing spherical particles of carbon and of activated carbon is described, in which a mixture of a pitch and a viscosity-reducing agent is melt-extruded into a form of string-like...
4416698 Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent and a process for making the article  
A solution containing cellulose dissolved in a tertiary amine N-oxide solvent containing a nonsolvent for cellulose such as water is shaped by extrusion or other shaping process to form a shaped...
4416838 Assemblages of fasteners and methods of manufacture stretching of fasteners using contact heat  
Assemblages of fasteners are manufactured by molding connected individual fasteners and simultaneously stretching the connected fasteners while subjecting them to controlled heating using an...
4377611 Plastic transparencies having improved resistance to cracking  
A plastic transparency for particular use as an airplane window, including a transparent sheet member and a thin resinous coating overlying the peripheral edge surface of the sheet member. The...
4371482 Method of determining optical quality of a shaped article  
An interlayer material is scanned prior to laminating same with glass sheets to generate a thickness variation signal, a wedge angle signal and an optical power signal. The signals are then...
4361722 Sleeve head for closing the ends of a cable sleeve  
A sleeve head for closing an end of a cable sleeve, which sleeve head being a one piece member of a shrinkable material having a transverse wall with an integral outer wall portion and having at...
4361527 Method of forming stretched acrylic sheets  
A stretched acrylic sheet which is to be formed into a vision panel at an elevated temperature has its major surfaces reheated to an elevated temperature to intentionally generate a class of...
4348350 Ultra-drawing crystalline polymers under high pressure  
A solid crystalline organic polymer is made into a filament, rod, or film by ultra-drawing it at a temperature within 70° C. of but below its melting point at the operating pressure while...
4343754 Process and apparatus for molding liners in container closures  
A process for making a composite closure having a plastic cap with specially configured pedestals that are interconnected to a plastic liner. In one embodiment, the pedestals are each formed with...
4315880 Manufacture of fibrous products  
Process for the manufacture of fibrous products by drawing at elevated temperature a sheet comprising sintered particles of a synthetic organic thermoplastic polymer, which sheet also contains 0.1...
4304743 Methods of manufacturing assemblages of fasteners  
Assemblages of fasteners are manufactured by the molding of assemblages of connected individual fasteners and simultaneously stretching the fasteners while subjecting them to controlled heating....
4295904 Method of heat sealing a film to the lip of a cup  
A platen including an annular surface adapted to heat seal a piece of film to the lip of a cup, and a central projection which is hotter than the annular surface to cause greater shrinkage in a...
4278723 Shaped body of extruded acrylic glass  
A shaped acrylic glass body is provided which has a reshaped inner zone outside the plane of the border or edge region and which is characterized by excellent resistance to weather and to chemical...
4276255 Method for the stretching of fasteners  
Method for stretching of fastener stock. The stock is of stretchable material and is engaged by members which are spaced apart at an angle and rotate at substantially the same peripheral speed in...
4267140 Method and apparatus for shaping thermoplastic sheets  
A method of and apparatus for stretching and shaping generally rectangular, refrigerated, thermoplastic sheets for ultimate use as interlayers in curved laminated glass units. The apparatus...
4266994 Methods for making dynamoelectric machine phase insulators  
Methods are disclosed for making a phase insulator for a desired core size from a phase insulator of a smaller size. The insulator may be severed from a sheet of insulating material or fabricated...
4263187 Shaped articles of polypyrrolidone and method of preparation thereof  
A method of preparing shaped polypyrrolidone articles having a high degree of tensile strength comprising forming said articles from solutions of polypyrrolidone in hydrous formic acid and drawing...
4245383 Centrifugal processing apparatus with reduced-load tubing  
Centrifugal processing apparatus in which a processing chamber is rotatably mounted with respect to a stationary base. An umbilical cable segment is fixed at one end substantially along the axis of...
4235834 Method for making biaxially stretched articles of thermoplastic resin  
A method is disclosed for biaxially stretching a band of thermoplastic resin which comprises attenuating a band of unstretched resin, in a forming zone while the resin is in the thermoelastic...
4228267 Methyl methacrylate-based resin film and sheet  
Methyl methacrylate-based resin films and sheets are formulated in a specific composition and molded so as to acquire a specific supra-molecular structure and prove to be useful in fields which...
Matches 201 - 250 out of 413 < 1 2 3 4 5 6 7 8 9 >