Patents
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)
09/1981
09/15/1981US4289409 Apparatus for plasticizing and extruding plastic material
09/15/1981US4289408 Marbleization of plastic materials
09/15/1981US4289319 Rotary seal construction and processor
09/15/1981US4288905 Method of fabricating vacuum sizing apparatus
09/15/1981CA1108829A1 Slide fastening element and apparatus and method of manufacture
09/15/1981CA1108816A1 Method and apparatus for producing double-walled thermoplastic pipe
09/09/1981EP0035356A1 Method and apparatus for controlling the thickness of a film product
09/08/1981US4288673 High frequency induction heating apparatus
09/08/1981US4288398 Apparatus and method for controlling the internal structure of matter
09/08/1981US4287847 Apparatus for distributing lining material in cap shells
09/08/1981CA1108368A1 Extrusion nozzle
09/03/1981WO1981002406A1 Coextrusion die
09/02/1981EP0034870A1 Method for the forming of plastics
09/02/1981EP0034769A1 Process and apparatus for embossing the inner surfaces of non-circular hollow profiles
09/01/1981USRE30726 Polymer film having linear tear properties
09/01/1981US4287262 Process for the production of laminate systems from a low density polyethylene coating resin
09/01/1981US4287223 And extruding a reinforcing strip of the thermoplastic above the seam while heating
09/01/1981US4287151 Method and apparatus for high speed extrusion of thermoplastic materials
09/01/1981US4287147 By coextrusion of polyacrylonitrile
09/01/1981US4286882 Apparatus for the automatic, uniform drawing-in of elastomeric material into worm extruders
09/01/1981CA1108336A1 Composition for write-on key tag and sticker
09/01/1981CA1107927A1 Head for multiple insulation of conductors
08/1981
08/27/1981EP0022849A4 Method and apparatus for manufacturing a plastics solar panel structure.
08/26/1981EP0034505A2 Plasticizing screw
08/26/1981EP0034286A1 Process and device for manufacturing a waterproof fibre-optical cable
08/26/1981EP0034159A1 Process for increasing the dispersion and homogeneity of plastic or colouring material in injection molding machines or extruders
08/25/1981US4285899 Method and apparatus for making helical plastic members, and the members produced
08/25/1981US4285660 Nozzle for a plastics injection molding machine, an extruder orifice, or a hot-chamber tool
08/25/1981US4285656 Tubular extrusion apparatus
08/25/1981US4285655 Coat hanger die
08/25/1981US4285651 Extrusion die head and method of making the same
08/25/1981US4285648 Apparatus for extruding a cross-linked material
08/25/1981CA1107627A1 High-strength laminate of thermoplastic polymer films, and method of manufacturing same
08/19/1981EP0034080A1 Grained ethylene-propylene copolymer films, process for making them and apparatus for carrying out this process
08/18/1981US4284596 Epoxy compound, metal compound
08/18/1981US4284458 Stretch oriented, heat shrinkable thermoplastic
08/12/1981EP0033587A1 Preparation of shaped crosslinked materials
08/12/1981EP0033351A1 Apparatus for the dustfree production of small particles
08/11/1981US4283637 Signal generator
08/11/1981US4283447 For medical tubing; also containing an iodobenzoate compound
08/11/1981US4283363 Process for manufacture of plastic sheets
08/11/1981US4283168 Thermoplastic film extrusion apparatus
08/11/1981US4282989 Device with a conically shaped housing and feeling for feeding plastics material to an extruder
08/11/1981US4282876 Medical-surgical catheters
08/11/1981CA1106566A1 Method of extruding discrete phase elastomer containing thermoplastic polymers
08/05/1981EP0033158A1 Device for the continuous processing of vulcanizable or cross-linkable rubber, elastomers or plastics
08/04/1981US4282277 Oriented, semi-crystalline polymer product and method and apparatus for producing such product
08/04/1981US4282177 Method for reducing sharkskin melt fracture during extrusion of ethylene polymers
08/04/1981US4281981 Die assembly providing uniform pressure and flow
08/04/1981US4281980 Expansion deformable extrusion die blade
08/04/1981US4281978 Surface coating device of core body
08/04/1981US4281492 Sectional construction strip, e.g. for the production of window frames
07/1981
07/29/1981EP0032715A1 Centering device for extrusion dies
07/29/1981EP0032629A1 Three layer film
07/28/1981US4280997 Extrusion process for the preparation of anhydrous stable lactose
07/28/1981US4280922 Kneading and degassing
07/28/1981US4280908 Injection molding filter assembly
07/28/1981US4280907 Separating device
07/28/1981US4280802 Screw-type extruder for polyvinylidene fluoride filaments
07/28/1981US4280801 Crosshead
07/23/1981WO1981001981A1 Manufacture of blanks for recording discs utilizing coextrusion and blanks and records made thereby
07/23/1981WO1981001980A1 Internally insulated extrusion die
07/22/1981EP0032452A2 Manufacture of blanks for recording discs utilizing coextrusion and blanks and records made thereby
07/22/1981EP0032142A1 Process and device for the continuous production of polyurethane
07/21/1981US4279957 Laminated film or sheet structure and process for production thereof
07/21/1981US4279857 Method for controlling wall thickness in extruded tubular synthetic-resin blank
07/21/1981US4279855 Method for the casting of ultrathin polymer membranes
07/21/1981US4279851 Method and apparatus for extruding tubular jackets
07/21/1981US4279677 Method of means for joining plastic fastener strip to film
07/21/1981US4279515 Extruder with exchangeable housing insert
07/21/1981CA1105226A1 Method of forming a layer of material from a solution
07/21/1981CA1105224A1 Production of rubber tubing from latex
07/21/1981CA1105223A1 Method and apparatus for high speed extrusion of thermoplastic materials
07/21/1981CA1105222A1 Control of pipe tension between extruder die and take- up coiler
07/21/1981CA1105221A1 On-line reclaim system
07/16/1981EP0025045A4 Apparatus for working rubber compounds.
07/15/1981EP0032065A1 Flexible drive-transmission cables and methods of providing such cables with plastics coverings
07/15/1981EP0032027A2 Heat-shrinkable laminate film and process for producing the same
07/15/1981EP0032001A1 Dimensionally-recoverable article with adhesive portion and process for the production thereof
07/15/1981EP0031868A2 Process for preparing shrinkable articles, apparatus for carrying out this process and articles thus obtained
07/14/1981US4278738 Ethylene-vinyl acetate copolymer film laminate
07/14/1981US4278412 Extrusion die assembly for forming honeycomb structures
07/14/1981CA1104852A1 Protection for optic fiber
07/14/1981CA1104780A1 Die construction
07/14/1981CA1104779A1 Rotating joint for extrusion die
07/08/1981EP0031742A1 Extrusion enclosure for controlled circular distribution of the extruded material and for an incorporated nozzle
07/07/1981US4277642 Cordage having a plurality of conductors in a partitioned jacket
07/07/1981US4277594 Heat shrinkable polyethylene film and method for its manufacture
07/07/1981US4277578 Tensile and impact strength, haze-free packaging material
07/07/1981US4277432 Method for extruding catheter tubing
07/07/1981US4277431 Method of dispensing metered charges of material
07/07/1981US4277338 Filter assembly
07/07/1981US4277182 Extruder with short cycle multichannel wave screw
07/07/1981CA1104558A1 Mixing fluffy and rigid plastics materials
07/07/1981CA1104347A1 Low attenuation, high strength optical fiber with silica filament core
07/01/1981EP0031177A2 Radial-confinement device for an elongated product
06/1981
06/30/1981US4276251 Dielectric coating of blend of polyethylene and ethylene-propylene copolymer
06/30/1981US4276250 Apparatus and method for producing tubular extrusions having axial sections of materials having different characteristics
06/30/1981US4276108 Method for bonding a plastic case to a stub cable
06/30/1981CA1103873A1 Method and apparatus for processing foamable thermoplastic mixtures