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)
06/1990
06/28/1990WO1990006842A1 Electrical conductor coated with polybutylene terephthalate
06/28/1990DE3843756A1 Process for producing ribbed pipes from thermoplastic materials
06/28/1990DE3843342A1 Device for discharging plastic, in particular thermoplastic, heated and recycled polymer from a plasticator into the mould of a press
06/27/1990EP0375608A1 Flexible pipe for transporting fluids
06/27/1990EP0375405A2 Method for molding saturated crystalline polyesters and molding equipment therefor
06/27/1990EP0375101A1 Power cable with metallic shielding tape and water swellable powder
06/27/1990EP0375004A1 Process for manufacturing a porous organic material, particularly a semi permeable organic membrane having a multitude of different longitudinal channels
06/27/1990EP0375003A1 Process for making a porous organic material, in particular an organic semi-permeable membrane comprising multiple longitudinal spaced bores
06/27/1990EP0375002A1 Spinneret for membrane manufacturing from organic material having at least one longitudinal channel
06/27/1990EP0374810A1 Extruded styrene polymer foam boards
06/27/1990EP0374498A2 Extrusion or press die
06/27/1990EP0374463A1 Machine with at least two working shafts, particularly a double-screw extruder machine which are able to operate with high force
06/27/1990EP0253814B1 Filtering device for plastic
06/27/1990CA2006361A1 Method and apparatus for preparing thermoplastic foam
06/27/1990CA2006330A1 Highly oriented polyethylene material
06/26/1990US4937126 Smooth flexible flange cover
06/26/1990US4937035 Method for manufacturing large-volume hollow bodies of plastics material having multiple-layer walls
06/26/1990US4937034 Apparatus and method for cofeeding additives with polymer flake
06/26/1990US4937031 Coextruding polycarbonate and siloxane-polycarbonate block polymer
06/26/1990US4937029 Method of producing a flexible optical wave guide
06/26/1990US4937028 Process for producing thermoplastic resins reinforced with long fibers
06/26/1990US4937021 Applying radiation to thermoplastic sheets
06/26/1990US4936768 Extrusion die for externally ribbed plastic tubing
06/23/1990CA2006359A1 Extrudable thermoplastic pellet
06/23/1990CA2003966A1 Extruded styrene polymer foam sheets
06/22/1990CA2004321A1 Entrusion die to produce organic material membranes with at least one lengthwise channel
06/22/1990CA2004320A1 Organic porous material manufacturing process namely an organic semi-permeable membrane with spaced lengthwise multi-channels
06/22/1990CA2004319A1 Organic porous material manufacturing process, namely an organic semi-permeable membrane with spaced lengthwise multi-channels
06/22/1990CA2000504A1 Head for extrusion of elastomeric contour innerliner
06/21/1990DE3939017A1 Inductive heater for a plastics extruder
06/20/1990EP0374082A2 Method and apparatus for feeding cold-feed structeres with rubber and/or plastic blends
06/20/1990EP0373300A2 Process for preparing a master batch
06/20/1990EP0373256A1 Method of producing a corrosion-inhibiting tubular polymer film
06/20/1990EP0373255A1 Corrosion-inhibiting polymer film, method for its productionn and apparatus for carrying out the method
06/20/1990CN1043090A Process for preparing membranes from tetrahalobisphenol polycarbonates
06/19/1990US4935264 Discharging onto continuous substrate from die having linear outlet extending perpendicular to moving direction of substrate
06/19/1990US4935176 Method of and apparatus for detecting defects in an electrical conductor
06/19/1990US4935164 Process for producing mouldable polymer blends
06/19/1990US4934716 Pipe sealing ring and method of manufacturing the same
06/19/1990US4934201 Method and apparatus for supplying samples from a melt to a rheometer
06/19/1990US4934100 Wire insulated plastic edge guard
06/19/1990CA1270436A1 Co-extrusion of multi-component insecticidal pet collars
06/19/1990CA1270395A1 Optical element integrated optical waveguide and production of the same
06/19/1990CA1270394A1 Optical fiber
06/19/1990CA1270358A1 Manufacturing containers
06/14/1990WO1990006339A1 Polystyrene foam containing carbon black
06/14/1990WO1990006218A1 Preform made from injection moulded or extruded plastic waste materials
06/13/1990EP0373115A1 Extrusion head
06/13/1990EP0372829A2 Poly(arylene sulfide) sheet and production process thereof
06/13/1990EP0372745A1 Manufacture of composite extrusions
06/13/1990EP0372343A1 Polystyrene foam containing carbon black
06/13/1990EP0372203A1 Filtration device for extrusion presses and injection moulds
06/12/1990US4933134 Method and device for extrusion of a double wall plastics pipe
06/12/1990US4933127 Process for improving the slip properties of a ski sole made of powdered high density polyethylene of very high molecular weight
06/12/1990US4933124 Coextrusion, migration of release agent to exterior surface, curing
06/12/1990US4933032 Process for preparing a ready-to-assemble motor vehicle glazing
06/12/1990CA2005306A1 Electrical conductor coated with polybutylene terephthalate
06/07/1990DE3840373A1 Thermoplastic, fibre-reinforced composite material comprising polyphenylene ethers and polyamides
06/06/1990EP0371230A2 Method and apparatus for the elimination of impurities from polymer plastics, and apparatus to carry out the method
06/06/1990CA2004788A1 Shaped plastics part and a method of producing the same
06/05/1990US4931982 Method for controlling the thickness of a sheet material and method for monitoring a correspondence relationship between the thickness distribution across a sheet material and means for adjusting the thickness
06/05/1990US4931237 Extrusion die apparatus and process for producing tubular film from thermoplastic molten material
06/05/1990US4931236 Method for forming irrigation pipe having a porous side wall
06/05/1990US4931232 Cooling process for a continuously extruded product
06/05/1990US4931230 Method for preparing radiation resistant polypropylene articles
06/05/1990US4931229 Method and apparatus for protecting a screw extruder producing strand-shaped explosives and propellants
06/05/1990US4931003 Apparatus for making biaxially stretched tubularly extended film with transverse closure strip
06/05/1990CA1270092A1 Transparent and little colored polyarylenethioether primary melt molding, preparation and utilization thereof
05/1990
05/31/1990WO1990005628A1 Composite structure
05/31/1990WO1990005626A1 A method for manufacturing an elongated member and apparatus for carrying out the method
05/31/1990DE3937273A1 Extrusion of thermoplastic pipes and profiles - where wall thickness if measured in longitudinal sections in calibrating die, compared with tolerance limits etc.
05/31/1990DE3919090C1 Fire resistant strip - has foamable core of sodium or potassium silicate in sleeve of thermoplastic PVC extruded as hollow profile
05/31/1990DE3839621A1 Planetary-gear extruder
05/30/1990EP0370735A2 Manufacture of modified polypropylene compositions using non-intermeshing twin screw extruder
05/30/1990EP0370695A2 Extrusion dies and apparatus, methods of extrusion and extruded articles
05/30/1990EP0370394A2 Apparatus for extrusion
05/30/1990CN1008158B Early progressive junction extrusion system
05/29/1990US4929487 Bag making material having fastener profiles and alignment ribs with reinforcing and stabilizing beam effect ridge means
05/29/1990US4929409 Method in manufacturing a heat insulated tube and a device in extruders for manufacturing the tube
05/29/1990US4929408 Method of locating an electrical conductor between a first extruded tube and an extruded lining
05/29/1990US4929407 Process of making a golf ball cover
05/29/1990US4929168 Apparatus for producing a tubular object of polyethelene terephthalate or other thermoplastic material from a tubular blank of amorphous material
05/29/1990US4929162 Air rings for production of blown plastic film
05/29/1990CA1269781A1 Olefin polymer compositions containing silicone additives and the use thereof in the production of film material
05/24/1990CA2003457A1 Method and apparatus for extrusion
05/23/1990EP0369781A2 Process and apparatus for producing substrate sheet for optical recording medium
05/23/1990EP0369780A2 Process for producing optical recording medium
05/23/1990EP0369748A2 Method and apparatus for coating a substrate with a liquid resin
05/23/1990EP0369447A2 Laminated film and manufacturing method of the same
05/23/1990EP0369351A2 Cleaning of parts affected by polymers
05/23/1990EP0369206A2 Process for preparing thermoplastic composites
05/23/1990EP0369195A2 Extrusion head
05/23/1990EP0369181A2 Process and nozzle for vitrifying the edges of thin work pieces
05/23/1990EP0369063A1 Expansion element for construction and civil engineering work, method of making same and device to perform the method
05/23/1990DE3920203C1 Reinforced extrusion pressed thermoplastic profile prepn. - by feeding melt from plasticising unit to tubular moulding unit carrying reinforcement
05/23/1990CA2003615A1 Manufacture of modified polypropylene compositions using non-intermeshing twin screw extruder
05/22/1990US4927587 Method for manufacturing extrusion molded silicone insulating articles
05/22/1990US4927585 Process for producing highly oriented resin-made reinforcing member
05/22/1990US4927579 Method for making fiber-reinforced plastics
05/22/1990US4927574 Water bath film cooling apparatus and method