Patents for B29C 43 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor (26,518)
08/1981
08/19/1981EP0034080A1 Grained ethylene-propylene copolymer films, process for making them and apparatus for carrying out this process
08/19/1981EP0033862A1 Process for producing a moulded article from pulverulent to granular thermoplastic synthetics
08/18/1981US4284680 Multi-layered, needle punched, felt-like cushioning material and production method thereof
08/18/1981US4284679 For fabrication of reticulated laminates
08/18/1981US4284591 Rapid filling
08/12/1981EP0033638A1 Producing compression molded fibre reinforced plastics panel
08/11/1981US4283361 Preparation of shaped articles of poly(metaphenylene isophthalamide)
08/11/1981US4283246 For exerting pressure over an area on a moving panel of material
08/11/1981US4282638 Controlled deflection roll
08/11/1981CA1106560A1 Method of manufacturing a plastics record carrier having a stratified structure as well as a device for carrying out the method
08/06/1981WO1981002236A1 Process for making discs
08/04/1981US4282174 Method of making an article of bonded metal particles
08/04/1981US4281816 Automatic apparatus for molding a preform
07/1981
07/28/1981US4280804 Vacuum curing tool for composite materials
07/23/1981WO1981001981A1 Manufacture of blanks for recording discs utilizing coextrusion and blanks and records made thereby
07/22/1981EP0032452A2 Manufacture of blanks for recording discs utilizing coextrusion and blanks and records made thereby
07/21/1981US4279854 Method and apparatus for forming soap bars with an embedded insert
07/21/1981CA1105219A1 Injection foam molding process
07/21/1981CA1105214A1 Phenolic resin bonded friction materials
07/15/1981EP0032005A1 Improvements in or relating to disc record preparation
07/15/1981EP0031880A2 Method for producing a reinforced product
07/07/1981US4277298 Teflon coating
07/07/1981CA1104315A1 Mixed fibrous mat and method for molding fiber- reinforced composite material
06/1981
06/25/1981WO1981001681A1 Manufacture of molded articles of carbon fiber-reinforced thermoplastic resin
06/23/1981US4275091 Method of duplicating plastics information carriers
06/23/1981US4274822 Apparatus for forming seal liners of thermoplastic material within closure cap shells
06/16/1981US4273607 Apparatus for applying gasket-forming material
06/16/1981US4273604 Heat bonding device
06/16/1981US4272971 Reinforced tubular structure
06/09/1981US4272618 Chain extended polyetherurethane copolymers, cured
06/09/1981US4272475 Injection molding, pressing
06/09/1981US4272474 Process for producing articles of ultra high molecular weight high density polyethylene
06/09/1981US4272473 Method for embossing and perforating a running ribbon of thermoplastic film on a metallic pattern roll
06/09/1981US4272471 Method for forming laminates comprising an electrode and a conductive polymer layer
06/02/1981US4271116 Composite structure
06/02/1981US4271114 Method of compacting dry powder into shapes
06/02/1981US4271106 Resin curing
06/02/1981US4270964 Method and apparatus for reinforcing a layer of plastics material
06/02/1981CA1102252A1 Permanent magnetic separator for liquids
06/02/1981CA1102064A1 Type cork line and a process and apparatus for producing same
05/1981
05/26/1981US4269669 High speed electroplating
05/26/1981US4269587 Compression moulding presses
05/26/1981CA1101795A1 Method for manufacturing an embossed vinyl surface covering having a clear photopolymerized coating
05/20/1981EP0028912A1 Container and method of making it
05/20/1981EP0028718A2 Mold equipment
05/19/1981US4268475 Deformable membrane, ejection of air
05/19/1981US4268471 Reinforced
05/19/1981US4268465 Method of accelerating the cooling of polymeric articles
05/19/1981US4268238 Flow molding
05/14/1981WO1981001264A1 A method and a device for carrying out vacuum pressing
05/13/1981EP0028536A2 Process for producing articles of ultra high molecular weight high density polyethylene
05/12/1981US4267237 Molded preformed polytetrafluoroethylene structures
05/12/1981US4267222 Rigid polyester resin binding porous scoria rock particles; insulation; construction materials; high strength
05/12/1981US4267147 Curing strips of mat impregnated with a thermosetting resin on a mold outside an autoclase; aircraft; boats; swimming pools
05/12/1981US4267142 Using a flexible bladder and a vacuum
05/12/1981US4267137 Method for molding sheet material with parallel ribs on one side
05/12/1981US4267001 Method for making picture records
05/12/1981US4266921 Method and apparatus for the manufacture of concrete and like products
05/05/1981US4265852 Process for forming a plastic article
05/05/1981US4265851 Process for moulding cellular polycarbodiimide
05/05/1981US4265608 Endless belt molding apparatus
05/05/1981US4265607 Apparatus for manufacturing a plastic insulator equipped with helical-shaped shields
04/1981
04/30/1981WO1981001117A1 Improvements relating to the moulding of thermosetting moulding material
04/29/1981EP0027480A1 Method of producing thermoplastic rubber products such as sheets and reticulated sheet material, and thermoplastic rubber products so obtained
04/29/1981EP0025062A4 Method for making a lip type shaft seal having a resin liner.
04/28/1981US4264758 Containing a curing amount of salicylic acid and methyliminobis propylamine
04/28/1981US4264556 Thermal isostatic densifying method and apparatus
04/22/1981EP0027202A2 Process for preparing fibre-reinforced moulded articles
04/21/1981US4263247 Resin-foam laminate
04/21/1981US4263237 Injecting fluid into bore in molded elastomeric body
04/21/1981US4263196 Highly filled thermoplastic compositions prepared with fine particle size filler
04/21/1981US4263073 Separating with alginate-coated sheets
04/21/1981US4262875 Information record stampers
04/21/1981CA1099466A1 Vehicle wheel pneumatic tyres and the manufacture thereof
04/15/1981EP0026897A1 Method and apparatus for manufacturing insoles
04/14/1981CA1099222A1 Brake pad with integral organic backplate
04/08/1981EP0026405A2 Process and apparatus for making a composite closure
04/07/1981US4260578 Method and apparatus for making elastomer sheet material
04/07/1981US4260575 Method for molding ear cushions
04/07/1981US4260439 With heat-curable polyvinyl chloride-acetate
04/07/1981US4260359 Apparatus for runnerless injection molding thermosetting materials
04/07/1981CA1098675A1 Thermoplastic resin molding of complex decorative relief
04/07/1981CA1098672A1 Transfer molding venting system
04/07/1981CA1098669A1 Method and apparatus for making foam
04/02/1981WO1981000822A1 Process and apparatus for making a composite closure
04/01/1981EP0025871A1 Method for producing a reaction mixture from free-flowable components that constitute foamed or solid plastics
03/1981
03/31/1981US4259286 Aluminum oxide particles adhered to texturing cylinder
03/31/1981US4259285 Process for embossing polyvinylchloride sheets
03/31/1981US4259131 Method and apparatus for fusing strips
03/31/1981CA1098273A1 Process for the molding of plastic structural web and the resulting articles
03/31/1981CA1098267A1 Method and device for manufacturing information carriers
03/27/1981EP0022778A4 Radial lip seal and method of making it.
03/25/1981EP0025504A2 Apparatus for injection moulding rubber tread rings
03/24/1981US4258103 Impregnation with a thermosetting resin of urea-formaldehyde or melamine-formaldehyde
03/24/1981US4257835 Method of manufacture of material reinforced with a three-dimensional textile structure
03/24/1981US4257834 Solidified binder filling pattern
03/24/1981CA1097875A1 Synthetic resin cured in place rotary embossing counter and method of preparing same
03/18/1981EP0025387A1 Apparatus for moulding information carrying discs
03/18/1981EP0025062A1 Method for making a lip type shaft seal having a resin liner.
03/17/1981US4256687 Process for producing molded articles