| Patents for B29C 47 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (64,906) |
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| 06/30/1981 | CA1103872A1 Method and apparatus for forming thermoplastic foams |
| 06/25/1981 | WO1981001765A1 Self-checking photoelectric smoke detector |
| 06/25/1981 | WO1981001682A1 Mould for producing section elements of plastic material |
| 06/24/1981 | EP0030936A2 A method for producing a shaped article comprising two closely-spaced substantially parallel walls enclosing a volume therebetween which is filled with foam |
| 06/24/1981 | EP0030767A1 Thermoplastic resin composition for fabric fibers with improved strength and elasticity and process of its manufacture |
| 06/24/1981 | EP0030648A1 Method for the production of polyethylene terephthalate packing material |
| 06/23/1981 | US4275283 Apparatus for heating rubber products with UHF energy |
| 06/23/1981 | US4274821 Die for extruding reinforced fabric |
| 06/23/1981 | CA1103850A1 Process for the preparation of polymeric foam materials |
| 06/23/1981 | CA1103530A1 Composite structure vascular prostheses and process for production thereof |
| 06/23/1981 | CA1103494A1 Optical fibre cables and their manufacture |
| 06/23/1981 | CA1103418A1 Biaxially drawn polyhexamethylene adipamide film and process for producing same |
| 06/17/1981 | EP0030326A1 Method of manufacture of cast films |
| 06/16/1981 | US4273880 Foamed polyethylene films |
| 06/16/1981 | US4273806 Method of forming electrical insulation by extruding polymeric compositions containing hollow microspheres |
| 06/16/1981 | US4273739 Method of deforming thermoplastic polymers using ammonia as a reversible plasticizer |
| 06/16/1981 | US4273523 Sweep ell production apparatus |
| 06/16/1981 | CA1103207A1 Method and apparatus for changing a die ring from the die in an indirect extrusion press |
| 06/10/1981 | EP0030077A1 Slide filter apparatus for filtering contaminants from a fluid working material |
| 06/10/1981 | EP0029874A2 Process for the continuous manufacture of heat-insulated conduits, and device for carrying out the process |
| 06/09/1981 | US4272577 Plastic non-wax ski base and methods for its manufacture |
| 06/09/1981 | US4272475 Injection molding, pressing |
| 06/09/1981 | US4272472 Method and apparatus for grooved section manufacture |
| 06/09/1981 | US4272466 System and method of temperature control for plastics extruder |
| 06/09/1981 | US4272313 Method of manufacturing a metal cap with a lining affixed thereto at selected areas |
| 06/09/1981 | US4272312 Process for extruding films of thermoplastic polyester film-forming materials |
| 06/09/1981 | US4272231 Air cooling ring for plastic film with independent lubricating air for film guide surface |
| 06/09/1981 | CA1102738A1 Process of fabricating hollow bead rings |
| 06/09/1981 | CA1102717A1 Composite tubing product and method of making same |
| 06/02/1981 | US4271107 Inclined barometric leg type |
| 06/02/1981 | US4271103 Plastic solar panel structure and method for making the same |
| 06/02/1981 | US4270891 Take-off apparatus for formed tubular plastic film |
| 06/02/1981 | US4270596 Tube mat heat exchanger |
| 06/02/1981 | US4270308 Greenhouse |
| 06/02/1981 | CA1102075A1 Method of manufacturing plastics covered highvoltage cable |
| 06/02/1981 | CA1102074A1 Choke ring for pipe extrusion die |
| 06/02/1981 | CA1102073A1 High output extruder screw |
| 06/02/1981 | CA1102072A1 Roller die extruder and method of use thereof |
| 06/02/1981 | CA1102062A1 Apparatus and method for internally cooling a plastic tubular film bubble |
| 05/27/1981 | EP0029119A2 Process for producing a rough electrically insulating foil of polypropylene |
| 05/26/1981 | US4269897 Extrusion of a transparent thermoplastic resin around a resilient thermoplastic strip having a metallized surface; car bumpers |
| 05/26/1981 | US4269884 Lamination of an extruded sheet of resin and short nonsiliceous fibers, a sheet of softened resin, and a mat having long nonsiliceous fibers |
| 05/26/1981 | US4269357 Continuous drip irrigation tube |
| 05/26/1981 | US4269085 Drive means for a cascade extruder |
| 05/26/1981 | CA1102044A1 Shaped article comprising a permanently plasticized cellulose composition and preparation thereof |
| 05/19/1981 | US4268794 Self-adjusting ramp generator |
| 05/19/1981 | US4268464 Electrostatic pinning of extruded polyamide film |
| 05/19/1981 | US4268391 Leak proof filter plate system for slide plate filters |
| 05/19/1981 | US4268336 Method of manufacturing containers |
| 05/19/1981 | US4268333 Process of making highly adhesive plastic top coatings on metallic substrates |
| 05/19/1981 | US4268239 Tubular extrusion die |
| 05/19/1981 | US4268176 Planetary extruder for thermoplastics material |
| 05/19/1981 | US4267937 Tear opening device for containers |
| 05/19/1981 | CA1101339A1 Slide filters |
| 05/19/1981 | CA1101171A1 Film-forming head |
| 05/19/1981 | CA1101168A1 Method of maintaining a balance of the radial stresses acting on the rotor cylinder in extrusion presses for paste and thermoplastic materials |
| 05/19/1981 | CA1101167A1 Multiple extrusion head assembly |
| 05/13/1981 | EP0028441A1 Foam extrusion apparatus and method |
| 05/13/1981 | EP0028284A1 Heat exchanger of plastics material |
| 05/12/1981 | US4267146 Method for reducing melt fracture during extrusion of ethylene polymers |
| 05/12/1981 | US4266919 Ram-extrusion apparatus for non-melt fabricable polymeric resins |
| 05/12/1981 | CA1100893A1 Semi-conductive reinforced pressure hose and method of making same |
| 05/12/1981 | CA1100730A1 Biaxially stretched five-layer film and method for manufacture thereof |
| 05/12/1981 | CA1100724A1 Apparatus and methods for applying tread material to tyres |
| 05/05/1981 | US4265853 Method and apparatus for forming of reinforced tube |
| 05/05/1981 | US4265756 Change device for sieves for filtering plastic materials |
| 05/05/1981 | US4265693 Method of molding tubular laminate |
| 05/05/1981 | US4265547 Reverse degasification screw extruder with vacuum seal |
| 05/05/1981 | CA1100273A1 Feedblock |
| 04/29/1981 | EP0027575A2 Apparatus for controlling the production rate of an extruder |
| 04/29/1981 | EP0027480A1 Method of producing thermoplastic rubber products such as sheets and reticulated sheet material, and thermoplastic rubber products so obtained |
| 04/28/1981 | US4264672 Polyolefins used as packaging material |
| 04/28/1981 | US4264553 Extruding thermoplastic melt into cooling liquid through die holes |
| 04/28/1981 | US4264294 Profiling die |
| 04/28/1981 | CA1099876A1 Extruder seal |
| 04/28/1981 | CA1099875A1 Apparatus for the preparation of thermoplastic materials |
| 04/28/1981 | CA1099874A1 Method of and apparatus for the controlled feeding of a quantity of material into the intake opening of an extruder for processing rubber or plastics material |
| 04/28/1981 | CA1099867A1 Tubular film extrusion with shape imposition |
| 04/22/1981 | EP0027273A1 Fibrillated and orientated reinforcement films made of at least one film-forming, orientable synthetic polymer, process for the preparation of such films and hydraulic binder-based products containing these films |
| 04/22/1981 | EP0027252A1 Apparatus for manufacturing ceramic honeycomb structures by extrusion and method of manufacturing this apparatus |
| 04/22/1981 | EP0027144A1 Polycarbonates stabilized by halohydrocarbon, halocarbon or silane groups |
| 04/21/1981 | US4263252 Method for producing an oriented tubular film |
| 04/21/1981 | US4263080 Coextruding polyethylene, carbon black |
| 04/21/1981 | US4263079 Method of forming an integral closure for a thermoplastic container |
| 04/21/1981 | US4262737 Extruder temperature controller |
| 04/21/1981 | CA1099468A1 Apparatus for producing the insulating layer of a coaxial cable |
| 04/21/1981 | CA1099463A1 Microporous tubes and process for producing the same |
| 04/16/1981 | WO1981000983A1 A machine for injection moulding or extruding plastic material a vailable in packaged form |
| 04/15/1981 | EP0027097A2 Device for feeding, and particularly for dosing a fibrous substance |
| 04/15/1981 | EP0026828A1 Device for influencing the weight of a hollow thermoplastic body produced by the extrusion-blowing method |
| 04/14/1981 | US4261939 Method and an arrangement for the manufacture of a material web of foamed thermoplastics |
| 04/14/1981 | US4261936 Heat shield to protect fiber during extrusion and application of jacketing polymer |
| 04/14/1981 | US4261777 Method and apparatus for making a film-coated synthetic resin tube |
| 04/14/1981 | US4261390 Hose construction |
| 04/14/1981 | US4261225 Step-down transmission for driving a plurality of extrusion screws |
| 04/08/1981 | EP0026566A1 Process for transversely stretching polyethylene terephthalate film |
| 04/08/1981 | EP0026554A1 Process for producing foamed articles of an aromatic polyester |
| 04/07/1981 | US4260578 Method and apparatus for making elastomer sheet material |
| 04/07/1981 | US4260572 Methyl chloride-dichlorodifluoromethane blowing agent, flowability improver |
| 04/07/1981 | US4260568 Method for feeding waste yarn to an extruder |