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)
05/1991
05/02/1991DE4000530A1 Prodn. of blown thermoplastic film - measuring thickness profile and number of reeled turns and feeding data to computer to balance variations by regulating die accordingly
05/02/1991DE3936301A1 Verfahren zum herstellen von hohlkoerpern aus thermoplastischen kunststoff A process for the manufacture of hohlkoerpern of thermoplastic material
05/02/1991DE3935338A1 Controls on extrusion-blow moulding - automatic system uses weight of tubular parison as datum value and adjusts extruded die gap as required to keep prod. within tolerances
05/01/1991WO1991006896A1 Process for the manufacture of photosensitive materials having a low heat history
05/01/1991CN1012487B Thermoplastic block shape feeding mechanism and manufacturing method
05/01/1991CN1012486B Manufacturing machine for sagged selfsupporting cable
05/01/1991CA2069314A1 Process for the manufacture of photosensitive materials having a low heat history
05/01/1991CA2028778A1 Dishcarge conveying apparatus for an extrusion press
05/01/1991CA2028575A1 Tubular die for extrusion, more particularly a blow head
04/1991
04/30/1991US5011642 Joining rib and substrate; curing
04/30/1991US5011562 Apparatus for forming sealed lengths of plastics coated tube
04/30/1991CA1283568C Crystalline optical fiber and its method of manufacture
04/30/1991CA1283519C Extruded caulk strip
04/28/1991WO1991006417A1 Method and apparatus for manufacturing ribbed pipe
04/28/1991CA2028206A1 Process for the manufacturing of a mechanically conditioned thermoplastic film with biaxially recoverable stresses
04/27/1991CA2001703A1 Flexible corrugated tube
04/25/1991DE4032160A1 Co-extruded decorative plastics trim strip - features a variable thickness of decorative layer, leading to variation of colour intensity
04/25/1991DE3935337A1 Composite seal to fit on car bodies - consists of e.g. rubber tube acting with e.g. PVC U=section clip contg. metal strip and grips with internal polyurethane lips
04/24/1991EP0423676A2 Method for producing molded article of fiber-reinforced thermoplastic resin
04/24/1991EP0423559A1 Pneumatic suction conveying plant for gravimetric metering of bulk material components
04/24/1991EP0423458A1 Method of pressing a doctor with constant force against the feed roller of an extruder
04/24/1991EP0423456A1 Modified zipper elements for easy open containers
04/24/1991EP0423407A1 Window molding members for automobiles, and method of manufacturing the same
04/24/1991EP0423386A1 Synthetic resin film, method of uniforming the film thickness upon molding of such film and apparatus therefor
04/24/1991EP0423249A1 Extrusion of hollow fibre membranes.
04/23/1991US5009947 Elastomeric strip and method of manufacture
04/23/1991US5009832 Closed end sleeve producing method and core structure used in the method
04/23/1991US5009831 Extrusion coated substrates with separable and removable layers
04/23/1991US5009825 Production of extruded round rod
04/23/1991US5009045 Plank structure for boat dock and the like
04/23/1991CA1283269C Slot cast integrated interlocking film closure structure
04/23/1991CA1283267C Cross head die
04/23/1991CA1283266C Internally insulated extrusion die
04/19/1991CA2027859A1 Method of maintaining the force of a stripper blade on an extruder feed roller constant and an apparatus therefor
04/19/1991CA2018881A1 Method and apparatus for forming a plastic article with an overlay of varying thickness having a shaded color appearance
04/18/1991WO1991005274A1 Refractive index distribution type plastic optical transfer member and its production method
04/18/1991WO1991005021A1 Processing aid for polymers
04/18/1991WO1991005009A1 A polymer composition containing an extrusion processing aid comprising a fluorocarbon elastomer and vinylidene fluoride
04/18/1991WO1991005007A1 Extrusion process for difficultly-melt-processible polymers
04/18/1991WO1991004856A1 A composite polyester film
04/18/1991WO1991004842A1 Improved process for melt extrusion of polymers
04/18/1991WO1990011327A3 Process for manufacturing plastic parts, in particular pipes, and diluted mixture for implementing the process
04/18/1991DE4030922A1 Sealing strip for vehicle window
04/18/1991DE3934523A1 Controls on screen machine for melts - in which automatic system monitors changes in melt properties at specifically designed mandrel at tip of screw and regulates machine
04/18/1991DE3934297A1 Cooling device for extruded preform for blow moulding - has ring die with two annular distribution chambers linked by throttling gap and feeds cool air via throttle nozzle to preform
04/17/1991EP0422850A2 Method for enhancing thermal expandability of direct-injection foams
04/17/1991EP0422592A2 Clamping sealing joint
04/17/1991EP0422475A1 Device for extracting of worm elements from a core shaft
04/17/1991EP0422282A1 Process for the continuous production of high molecular weight polyester resin
04/17/1991EP0422042A1 Extrusion method, apparatus and product.
04/17/1991EP0408688A4 Porous membranes
04/17/1991CA2027741A1 Method for producing molded article of fiber-reinforced thermoplastic resin
04/16/1991US5008056 Infusing the pores with fluoropolymers; protective coatings
04/16/1991US5008051 Vacuum sizing tank with electronically controlled vacuum pressure
04/16/1991US5007939 Article made of lactic acid polymer capable of being employed particularly as a biodegradable prosthesis and process for its manufacture
04/16/1991US5007706 Polymeric optical fiber
04/16/1991US5007150 Apparatus for the application of a gasket inside closures comprising a cup, such as screw-on and crown caps
04/14/1991WO1991005815A1 Process for the continuous production of high molecular weight polyester resin
04/11/1991DE4002884A1 Gauging system for tubing extruder - consists of four sets of wall thickness testing heads with rollers running over surface of gauging device and fixed to cooled mounting
04/11/1991DE3933028A1 Treble plastic case insulation extruder - with greater inclination of plastic nipple than of mouthpiece
04/11/1991CA2027002A1 Method for enhancing thermal expandability of direct-injection foams
04/10/1991EP0421833A2 Glazing with profile frame, in particular vehicle glazing, and process and device for the manufacture of such a glazing
04/10/1991EP0421414A1 Biologically degradable combination film and method of preparation the same
04/09/1991US5006566 Extrusion with carbon dioxide blowing agent
04/09/1991US5006394 Multilayer polymeric film
04/09/1991US5006056 Film extrusion apparatus including a quickly replaceable chill roll
04/09/1991US5005731 Hand-held extruder
04/06/1991CA2027034A1 Biologically degradable cover film and method of preparing same
04/04/1991WO1991004141A1 Process for producing a body from extrudable compounds, device for implementing the process, extrusion nozzle for such a device and bodies made by the process
04/03/1991EP0420632A2 Apparatus for continuously vulcanizing rubber molding
04/03/1991EP0420019A2 An extrusion die having elongated extrusion nozzle which facilitates tool changes
04/03/1991EP0419983A1 Extrusion head for multi-layered extrudates
04/03/1991EP0419982A2 Method and installation for manufacturing composite extrudates
04/03/1991EP0419903A2 Raw material resin feeding system for a molding machine
04/03/1991EP0419738A1 Method of, and apparatus for manufacturing elongate plastic articles
04/03/1991EP0419592A1 An extrusion die apparatus and process for producing tubular film from thermoplastic molten material
04/03/1991EP0419558A1 Biaxially oriented ordered polymer films
04/03/1991CN1050390A Method for preparation of destructured-starch-based compostitions and compositions produced thereby
04/02/1991US5004578 Process and apparatus for producing hollow bodies of thermoplastic material
04/02/1991US5004414 Apparatus for filtering plasticized materials in extruders and like machines
04/02/1991US5004352 Plasticizing screw
04/02/1991US5003806 Apparatus for producing curvilinear tubes
04/02/1991US5003792 Shaped section for the guidance and sealing of a movable window, in particular of a motor vehicle door, and its method of manufacture
04/02/1991CA1282216C Method for extrusion of plastic tubes, and an apparatus for carrying out said method
04/02/1991CA1282215C Pin-barrel extruder having adjustable pins
03/1991
03/28/1991DE4018050A1 Regulation of the dia. of extruded cable - automatically measures dia., draw=off speed and material flow rate and to allow for shrinkage from hot or cold state
03/27/1991EP0419300A2 Roller with conical shank
03/27/1991EP0418760A2 Method of manufacturing a large calibre plastic pipe and extruder for carrying out said method
03/27/1991EP0418728A2 Method for preparing ceramic powder-containing thermoplastic materials
03/27/1991EP0418681A1 Coextrusion adaptor
03/27/1991EP0290429B1 Apparatus and method for the production of ribbed pipes
03/27/1991CN1012147B Method and apparatus for producing mesh film
03/26/1991WO1991004103A1 Method and device for pressure balancing of hoses at extruding of two components
03/26/1991US5003145 Inductively operated heating apparatus for plastic materials
03/26/1991US5002714 Impact strength moldings of polyethylene or ethylene copolymers
03/26/1991US5002624 Roofing from polypropylene matrix with cured rubber particles and calcium carbonate
03/26/1991US5002478 Improvements in suction applying mold blocks in pipe forming apparatus
03/23/1991WO1991004147A1 Sizing tool
03/21/1991WO1991003366A1 Modular corrugator
03/21/1991WO1991003365A1 Device for extruding multilayer plastic films or plates