Patents
Sitemap › B29 - Working of plastics; Working of substances in a plastic state in general › B29B - Preparation or pretreatment of the material to be shaped; Making granules or preforms; Recovery of plastics or other constituents of waste material containing plastics › B29B 11 - Making preforms
Patents for B29B 11 - Making preforms (5,846)
09/1982
09/02/1982WO1982002849A1 Method and apparatus of forming preforms for bottle
09/01/1982EP0058947A1 Method and apparatus of forming preforms for bottles
09/01/1982EP0058815A1 Preform for use in blow molding plastic bottles
08/1982
08/25/1982EP0058297A1 Method of and apparatus for producing a thermoplastic parison by an extruder
08/18/1982EP0058141A1 Resin-impregnated fibre composite materials and a method for their manufacture
08/03/1982US4342718 Impregnated with a thermosetting resin
08/03/1982CA1128740A1 Composite strands of resin, carbon and glass and product formed from said strands
07/1982
07/28/1982EP0056703A1 Fibre-reinforced compositions and methods for producing such compositions
07/27/1982CA1128437A1 Synthetic resin bottle with handle and producing method thereof
07/20/1982US4340557 Method of making unfestooned plastic containers from polygonal blanks
07/20/1982US4340345 Apparatus for preparing a parison and transferring it to a molding machine
07/13/1982US4339358 Alcoholysis, comminution
06/1982
06/30/1982EP0054750A2 Method and apparatus for compacting waste material
06/29/1982US4336640 Cylindrical turning tool
06/23/1982EP0054389A2 Tire tread grooving apparatus and method
06/23/1982EP0054208A2 Method of producing a plastic container, a plastic blank and an article of manufacture
06/23/1982EP0054176A2 Method to recover parts of used tyres
06/22/1982CA1125976A1 Method and apparatus for producing sheet molding compound
06/15/1982CA1125699A1 Treatment of sintered polytetrafluoroethylene with irradiation and heat to produce a grindable material
06/08/1982US4333904 Forming a mouthpiece on a preform
06/08/1982CA1124969A1 Apparatus for forming traction grooves in the uncured tread of a heavy off-highway tire
06/01/1982US4332932 Method for producing a rubber melt in a temperature-controlled screw extruder
06/01/1982US4332700 Covering with inert powder, carbonization of rubber, magnetic separation of metal
06/01/1982US4332544 Parison molding apparatus in an injection stretching blow molding machine
05/1982
05/26/1982EP0052490A2 Thermoplastics articles and method and apparatus for making them
05/26/1982EP0052223A1 Apparatus for cooling a forming mould
05/25/1982CA1124441A1 Copolyesters
05/18/1982US4330579 Parison for bottle product
05/18/1982US4330255 Orientation-blow molding equipment and jig used therefor
05/18/1982CA1123681A1 Preparation of glass concentrate capsules for reinforcement of thermoplastics
05/11/1982US4329265 Outside tire paint
04/1982
04/27/1982US4327137 Polyester, polycarbonate
04/27/1982US4327047 Using recessed center pin in mold
04/27/1982CA1122740A1 Thermoplastic mixtures for producing plastics sheets having antiblocking properties
04/21/1982EP0050089A1 Method and apparatus for microwave processing of vulcanized elastomer
04/21/1982EP0049893A1 A magnetized tire and method for discriminating such tires from each other
04/20/1982US4325852 Wax mixture, amine, fatty acid, surfactant, pigment
04/20/1982US4325685 Apparatus for producing thermoplastic tubing having interchangeable mold blocks
04/20/1982CA1121956A1 Blow molding of plastic articles having barrier properties
04/13/1982US4324832 Method of impregnating web structures with a synthetic resin
04/13/1982US4324705 Separation of coating layers by impregnating with alkaline solution and stripping with high pressure water jet
04/07/1982EP0049054A2 Apparatus for pyrolyzing shredded tires
03/1982
03/30/1982CA1120674A1 Gas proofing process of hollow polyester bodies
03/30/1982CA1120673A1 Manufacturing method of bi-oriented hollow bodies
03/24/1982EP0048113A1 Apparatus and method for perforating tubing
03/24/1982EP0048112A1 A die assembly for forming thermoplastic tubing
03/23/1982US4321029 Injection blow molder for duplex hollow molded articles
03/23/1982CA1120221A1 Irradiated multi-layer blow oriented container
03/23/1982CA1120220A1 Apparatus and method for blow-molding
03/09/1982US4318877 Video disc molding process
03/09/1982CA1119484A1 Tire having polyurethane laminate thereon
03/04/1982WO1982000649A1 Methods and apparatus for producing foamed thermoplastics materials and articles
02/1982
02/23/1982US4316708 Machine for continuously molding solid pellets from a mud composition
02/23/1982CA1118565A1 Forming molecularly oriented containers from reheated preforms
02/23/1982CA1118564A1 Process for producing a hollow vessel having a frosted glass-like surface
02/16/1982US4315725 Jig for orientation-blow molding piece
02/03/1982EP0044865A1 Apparatus for preparing a parison and transferring it to a molding machine
02/02/1982US4313904 Method of manufacturing a flexible container with integral ports and diaphragm
01/1982
01/27/1982EP0044389A1 Method and device for making a flat hollow body
01/19/1982US4311246 Synthetic resin bottle with handle
01/19/1982US4311182 Tire tread grooving apparatus and method
01/19/1982CA1116798A1 Polyurethane binder composition
01/19/1982CA1116576A1 Reclaiming elastomeric material as a particulate product
01/12/1982US4310282 Delay stretch and blow machine system
01/12/1982CA1115912A1 Process and machine system for formation of molecularly oriented plastic bottles
01/05/1982CA1115472A1 Extrusion method for the manufacture of hallow articles
12/1981
12/29/1981CA1115448A1 Process of reclaiming rubber
12/22/1981US4307137 Method for forming an optical design pattern in polyethylene terephthalate articles, and method for strengthening an optical design pattern formed by said method
12/22/1981US4307060 Thermoplastic polyesters, and method of making hollow articles therefrom
12/22/1981CA1114684A1 Fiber-resin blending technique
12/16/1981EP0041747A1 Biaxially stretched polypropylene-based plastic products, and process for making such products
12/15/1981US4305703 Composite die assembly for use in the production of thermoplastic tubing
12/15/1981CA1114122A1 Method and apparatus for incorporating glass fibers into thermoplastic plastics
12/09/1981EP0041073A1 Process and device for moulding molecular oriented thermoplastic hollow bodies
12/08/1981CA1113669A1 Fiber distributor
12/01/1981US4303381 Device for setting a base cup in a blow mold
11/1981
11/24/1981US4302170 Accumulator head having a piston with a self-wiping face
11/24/1981EP0034158A4 Multi-layer article and method of making same.
11/18/1981EP0039930A1 Process for the production of blow molded articles
11/18/1981EP0039929A1 Process for the production of blow molded articles accompanied with the recovery of a blowing gas
11/17/1981US4301111 Horizontal blow molding
11/17/1981US4300880 Orientation-blow molding equipment and jig used therefor
11/04/1981EP0039292A1 Sheet material which can be converted into a finished product by moulding, embossing or thermoforming, comprising reinforcing fibres and a powdery thermoplastic resin, and process for preparing said material
11/04/1981EP0038943A2 Outside tire paint
11/03/1981US4298567 Stretching and blow molding of synthetic resin bottles with base cups
11/03/1981CA1111631A1 Process and an apparatus for producing a multi- layered glass fiber sheet
10/1981
10/28/1981EP0038746A1 Porous layer used in composite sound absorbing structures and process for making it
10/28/1981EP0038394A1 Molding powder of ultra-high molecular weight polyethylene, process for its preparation
10/27/1981US4297092 Accumulator head used in the formation of a multi-layer parison
10/27/1981CA1111217A1 Apparatus for manufacturing plastic hollow bodies
10/21/1981EP0038278A1 Method and apparatus for grooving tire tread
10/21/1981EP0037946A2 Inside tire paint
10/20/1981CA1110817A1 Fibre reinforced plastic structures and method and apparatus for producing same
10/07/1981EP0036967A1 Coextrusion blowmolding method of producing hollow plastic bodies
09/1981
09/16/1981EP0035974A1 Device for producing a glass fibre reinforced plastics granulate
09/16/1981EP0035682A1 Process and apparatus for the thermal treatment of impregnated fabric webs
08/1981
08/26/1981EP0034158A1 Multi-layer article and method of making same.
08/25/1981US4286030 Cured, cellulose fibers and thermoplastic fibers
08/25/1981CA1107706A1 Method and apparatus for unwinding a roll of sheet molding compound
08/19/1981EP0033862A1 Process for producing a moulded article from pulverulent to granular thermoplastic synthetics
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