Patents for B29C 43 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor (26,518)
05/1979
05/22/1979US4155693 Embossed screen assembly
05/22/1979US4155153 Method for making a shaft seal having a guard or scraper
05/16/1979EP0001896A1 Trimming disc records
05/16/1979EP0001865A1 Process for making objects from mineral fillers bonded with a thermosetting resin
05/16/1979EP0001784A1 Apparatus for the treatment of non-homogeneous rubber mixtures
05/15/1979US4154893 Production of thermoplastic billets and preforms
05/15/1979US4154335 Multilayers of yarns intergrated with staple fibers by twisting and needling
05/08/1979US4153661 Method of making polytetrafluoroethylene composite sheet
05/08/1979US4152798 Cork line having foamed thermoplastic resin floats integrally bonded to a leader and a process for producing same
05/08/1979CA1053872A1 Method and device for the production of articles having a non-cellular smooth skin and a cellular core from polymer materials
05/08/1979CA1053865A1 Welded pfa-to-ptfe structures and method of fabrication
04/1979
04/24/1979US4151243 Method for cooling plastic injection mold dies
04/24/1979US4151240 Method for debossing and perforating a running ribbon of thermoplastic film
04/24/1979US4150930 Plastic sheet extruder combined with forming machine
04/24/1979US4150928 Apparatus for making double angle V-belt
04/17/1979US4150169 Method for manufacturing an embossed vinyl surface covering having a clear photopolymerized coating
04/17/1979US4150084 Method of molding eggshell thin bodies
04/10/1979US4148961 Windlace carrier
04/10/1979US4148856 Electrical components
04/10/1979US4148597 Apparatus and method for pressure molding composite structural parts
04/10/1979CA1052302A1 Composite articles
04/10/1979CA1052154A1 Web threading system
04/03/1979US4147748 Hollow articles from plasticized materials
04/03/1979US4147486 Mechanical press for molding plastic parts
03/1979
03/27/1979US4146600 Process of operating a vulcanizing press
03/20/1979US4145612 X-ray patient support stretcher and method for fabrication
03/20/1979US4145389 Process for making extruded panel product
03/20/1979US4145239 Method and apparatus for production of laminated and shaped wall covering board of corrugated paperboard base
03/20/1979US4145169 Record disc dewarping device
03/20/1979US4144632 Method of making tubular article
03/13/1979US4144305 Method of obtaining interface adhesion between thermosetting layers which contain mold release agents
03/13/1979US4144304 Process for the manufacture of sheets from a mixture of vegetable fibres and polyolefine
03/13/1979US4144295 Generation of polyurethane foam
03/13/1979US4143587 Apparatus for deforming corrugated fiberboard
03/07/1979EP0001011A1 Improvements in or relating to moulding machines
03/07/1979EP0000920A1 Molding compositions comprising thermoplastic elastomers, method for preparing molded articles, and molded articles
03/06/1979CA1049723A1 Moulding of synthetic plastics sheet material
02/1979
02/27/1979US4141531 Disc record press
02/27/1979US4141470 Mixing head for mixing at least two reactive components
02/27/1979CA1049210A1 Process for injection moldable foamable thermoplastics
02/21/1979EP0000755A1 Method and apparatus for making a shaped body from reinforced plastic
02/21/1979EP0000734A1 Method for making rods or tubes having a constant profile of fibre reinforced material
02/20/1979US4140672 Process for producing moldings
02/20/1979US4140470 Transfer molding venting system
02/20/1979US4140050 Cure rate
02/20/1979US4140035 Producing disc records
02/13/1979US4139592 Spacing apertures at intervals
02/06/1979US4138463 Method for forming solid friction material structures
02/06/1979US4138454 Low profile method of mixing and depositing foam
02/06/1979US4138086 Mold for manufacturing contact lenses
01/1979
01/30/1979US4137174 Permanent magnetic separator for liquids
01/30/1979CA1047215A1 Process for producing molded structural foam article having a surface that reproducibly and faithfully replicates the surface of the mold
01/23/1979US4136220 Process for the molding of plastic structural web and the resulting articles
01/23/1979CA1046727A1 Apparatus for fabric molding
01/23/1979CA1046722A1 Manufacture of synthetic fibres and yarns
01/23/1979CA1046718A1 Transfer molding apparatus
01/23/1979CA1046716A1 Method and apparatus for embossing plastic film
01/16/1979US4134945 Method and apparatus for making foam
01/16/1979US4134688 Thermosetting resin injection molding machine and method
01/10/1979EP0000223A1 Production of articles from an unsaturated polyester resin, mineral fillers and glass fibres and articles thus obtained
01/09/1979US4133858 Injection foam molding process
01/09/1979US4133092 Method of making shaft seal with clinch-butt metal case
01/02/1979US4132755 Process for manufacturing resin-impregnated, reinforced articles without the presence of resin fumes
01/02/1979US4132347 Moisture proof bags provided with blow-in ports and method of manufacturing the same
01/02/1979CA1045323A2 Apparatus and process for the production of pile surface articles
01/02/1979CA1045322A2 Apparatus and process for the production of pile surface articles
12/1978
12/26/1978US4131663 Multilevel embossing of sheet materials
12/26/1978US4131403 Mounting press
12/26/1978CA1045064A1 Plastic containers having improved physical properties fabricated from a composite billet
12/26/1978CA1044930A1 Multifocal lenses and method of making same
12/20/1978EP0000027A1 Process for the manufacture, according to the Levitherm process, of hard polyvinyl chloride films
12/19/1978US4130620 Photoresist
12/19/1978US4130619 Apparatus and method of making hollow articles
12/19/1978CA1044415A1 Transfer molding insulation unit
12/12/1978US4129470 Method of preparing a porous implantable material from polytetrafluoroethylene and carbon fibers
12/12/1978CA1043993A1 Mandrel for use in assembling bushings
12/05/1978US4128446 Method for embedding tire chains in the tread portion of a tire
12/05/1978US4128370 Manufacture of electroacoustic transducers which require molding an elastomer to the surface of the transducer material
12/05/1978US4128369 Continuous apparatus for forming products from thermoplastic polymeric material having three-dimensional patterns and surface textures
12/05/1978CA1043683A1 Polyvinyl butyral composite interlayer for laminated safety glass and process for the preparation thereof
11/1978
11/28/1978US4127632 Method of producing undercut tubular synthetic plastic articles
11/28/1978US4127373 Extruder and twin roller calendering plant
11/28/1978CA1043245A1 Marble-patterned bathtub, basin or sink
11/28/1978CA1043065A1 Method of reinforcing the handle of a hockey stick
11/28/1978CA1043060A1 Moulding apparatus
11/21/1978US4126661 Process for producing products of cross-linked thermoplastic material
11/21/1978US4126659 Method of making a hollow article
11/21/1978US4126292 Mold die
11/14/1978US4125138 Generation of polyurethane foam
11/07/1978US4124678 Method of making tortuous tubular articles
11/07/1978US4124676 Mechanical bond
11/07/1978US4124672 Replication utilizing a casting process
11/07/1978US4124428 Thin films of polyurethanes
11/07/1978US4124343 Injection molding divers articles in selectably ordered sequence
11/07/1978US4124282 Ophthalmic lenses
11/07/1978US4123826 Separable fastener
11/07/1978CA1041892A1 Heat lamination of thermoplastic films
10/1978
10/31/1978US4123483 Fused silica, doping, drawing, refractive index
10/31/1978CA1041261A1 Method for producing receptacles from thermoplastic resin foam sheet
10/31/1978CA1041256A1 Phonograph record pressing die assembly