| Patents for B29B 11 - Making preforms (5,846) |
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| 08/12/1981 | EP0033489A1 Machine for producing blown hollow plastic articles |
| 08/11/1981 | US4283637 Signal generator |
| 08/06/1981 | WO1981002135A1 Machine for the production of plastic blown hollow bodies |
| 08/06/1981 | WO1981002133A1 Apparatus for preparing a parison and transferring it to a molding machine |
| 08/04/1981 | US4281816 Automatic apparatus for molding a preform |
| 08/04/1981 | US4281769 Packing container |
| 08/04/1981 | CA1106548A1 Process for separating and recovering polystyrene from polystyrene containing materials |
| 08/04/1981 | CA1106119A1 Method for producing hollow articles from oriented thermoplastics |
| 08/04/1981 | CA1106118A1 Method and apparatus for producing thermoplastic hallow bodies |
| 07/21/1981 | US4279857 Method for controlling wall thickness in extruded tubular synthetic-resin blank |
| 07/21/1981 | CA1105216A1 Injection blow molding apparatus |
| 07/21/1981 | CA1105214A1 Phenolic resin bonded friction materials |
| 07/15/1981 | EP0031832A1 Sheets products and preparation process thereof. |
| 07/08/1981 | EP0031797A1 Method of separating the top metal sheet of a composite board of metal-plastics-metal from a plastics core |
| 07/08/1981 | EP0031538A2 Process and apparatus for reclaiming polyurethane from waste material |
| 06/16/1981 | CA1103195A1 Method and apparatus for pyrolizing rubber |
| 06/03/1981 | EP0029639A1 Plastics container, method of forming same, a preform for use in forming the container and a mold unit for forming the preform |
| 06/02/1981 | CA1102481A1 Dissolution of polyurethane foams and re-use of the products therefrom |
| 05/26/1981 | CA1101890A1 Hydrolytic decomposition method and apparatus |
| 05/19/1981 | CA1101594A1 Thermoplastic polyesters, and method of making hollow articles |
| 05/15/1981 | EP0006855A4 Supply package for wet-impregnated multifilament roving. |
| 05/13/1981 | EP0028297A1 Integrated molding with rotation and blow molding method and apparatus |
| 05/12/1981 | US4267237 Molded preformed polytetrafluoroethylene structures |
| 05/12/1981 | US4267143 Process for the manufacturing of bioriented hollow bodies |
| 05/12/1981 | CA1100911A1 Imbricated entangling conveyors separating plastic film from a refuse conveyor |
| 05/12/1981 | CA1100843A1 Method and apparatus for preparing slurry |
| 05/05/1981 | US4265691 Process for producing a multi-layered glass fiber sheet |
| 04/29/1981 | EP0027575A2 Apparatus for controlling the production rate of an extruder |
| 04/28/1981 | US4264558 Method of producing plastic containers for storage of goods under pressure |
| 04/28/1981 | US4264481 Process of reclaiming rubber |
| 04/28/1981 | CA1100249A1 Method and composition for reclaiming polyurethane |
| 04/15/1981 | EP0026895A1 Apparatus for producing containers by stretch-blowing plastics parisons |
| 04/15/1981 | EP0026828A1 Device for influencing the weight of a hollow thermoplastic body produced by the extrusion-blowing method |
| 04/14/1981 | CA1099222A1 Brake pad with integral organic backplate |
| 04/07/1981 | US4260265 Fiber-resin blending technique |
| 04/07/1981 | CA1098673A1 Parison extrusion head |
| 04/07/1981 | CA1098666A1 Plastic bottle forming machine with modular design |
| 03/24/1981 | CA1097861A1 No translation available |
| 03/11/1981 | EP0024966A1 Process and apparatus for comminuting rubber |
| 03/11/1981 | EP0024895A2 Method of manufacture of reinforced sheet plastics material and the production of moulded articles therefrom |
| 03/11/1981 | EP0024622A1 Process and apparatus for manufacturing a flat hose |
| 03/10/1981 | US4255295 Chopping, compression, degassing extrusion, post-polymerization |
| 03/03/1981 | US4254170 Coating preform with polyvinyl alcohol and a water insoluble latex |
| 03/03/1981 | US4254079 Forming non-cylindrical articles from preforms of polyalkylene terephthalate |
| 03/03/1981 | CA1096596A1 Filiform textile material |
| 02/24/1981 | US4252589 Adhering partially vulcanized thin rubber marking sheets, vulcanization |
| 02/24/1981 | CA1096351A1 Tire grinding system |
| 02/10/1981 | US4250081 Zeolites of alkali or alkaline metal oxides, aluminum oxide, and silicon oxide; fillers |
| 02/05/1981 | WO1981000268A1 Sheet products and preparation process thereof |
| 02/05/1981 | WO1981000230A1 Multi-layer container and method of making same |
| 01/20/1981 | US4246390 Molding powder of ultra-high molecular weight polyethylene and process for its preparation |
| 01/20/1981 | CA1094249A1 Polyester polymer recovery from dyed polyester fibers |
| 01/20/1981 | CA1093772A1 Process for the automatic inspection of blow-molded articles |
| 01/14/1981 | EP0022137A1 Process and installation for the removal of magnetizable components from a fluid bed reactor |
| 01/13/1981 | US4244990 Preimpregnation with urea resin |
| 01/13/1981 | CA1093749A1 Expanded styrene-polymers and polyolefin micro-bits and their preparation |
| 01/07/1981 | EP0020406A1 Method and device for the continuous manufacturing of a conveyor belt |
| 01/06/1981 | US4243181 Granulation of materials |
| 01/06/1981 | CA1093015A1 Plastics barrel |
| 12/30/1980 | CA1092544A1 Machine for the automatic manufacture of mixtures of different kinds of caoutchouc intended to form part of a filler mixture |
| 12/23/1980 | US4241008 Polyethylene terephthalate |
| 12/23/1980 | US4240863 Control system for an elastomer extrusion and applicator apparatus |
| 12/16/1980 | US4239721 Process for the manufacture of patterned urea thermoplastic molding compound preforms to be used for the production of consistently patterned buttons with molded holes |
| 12/10/1980 | EP0019748A1 Method of producing a fibre-reinforced resin foam and fibre-reinforced resin foam |
| 12/09/1980 | CA1091398A1 Recovery of polyacetal resins |
| 12/02/1980 | CA1090519A1 Blow molding method |
| 11/26/1980 | EP0019389A1 Vertical pyrolysing furnace, more particularly for tyre pieces |
| 11/18/1980 | US4234648 Electrically conductive prepreg materials |
| 11/18/1980 | US4234366 Wall and floor coverings comprising a substrate formed from comminuted, recycled, fiber-reinforced foam-containing sheets |
| 11/18/1980 | CA1089616A1 Porous laminar pellets of waste poly (ethylene terephthalate) film, and processes for drying and polymerization |
| 11/12/1980 | EP0018664A1 Method and device for breaking down rubber wastes, in particular rubber tyres |
| 11/11/1980 | US4233021 Plastic bottle forming machine |
| 11/11/1980 | US4233019 Apparatus for delivering parisons of preselected length and diameter |
| 11/11/1980 | US4233010 Orientation-blow molding equipment |
| 11/11/1980 | US4233009 Apparatus for separation of waste material from a moulded article |
| 10/29/1980 | EP0017871A1 Control system for an elastomer extrusion and applicator apparatus |
| 10/21/1980 | CA1087808A1 Flock treatment |
| 10/15/1980 | EP0017349A1 Treatment of sintered polytetrafluoroethylene with irradiation and heat to produce a grindable material |
| 09/30/1980 | CA1086465A1 Method and apparatus for making blow molded generally tire shaped articles |
| 09/23/1980 | US4224561 Method and apparatus for regulating the speed of a conveyor |
| 09/23/1980 | US4224560 Method for controlling parison wall thickness and a wall thickness control signal generator circuit for carrying out the method |
| 09/09/1980 | US4221760 Method of making, filling and closing containers of thermoplastic material |
| 09/02/1980 | US4220511 Treatment of sintered poly-tetrafluoroethylene with irradiation and heat to produce a grindable material |
| 09/02/1980 | CA1084888A1 Supply package for wet-impregnated multifilament roving |
| 08/26/1980 | US4219526 Method of blow-molding hollow shaped articles, including intermediate tempering and final biaxial stretching stages |
| 08/19/1980 | CA1084194A1 Process for production of thermoplastic polymer alloys |
| 08/12/1980 | US4217635 Control circuit adapted to control movement of a pintle relative to a die head |
| 08/12/1980 | CA1083313A1 Apparatus for controlling plastic material distribution in manufacture of biaxially oriented plastic containers |
| 08/06/1980 | EP0014104A1 Electrically conductive prepreg materials, articles manufactured therefrom, and a method of manufacturing said prepreg material |
| 08/06/1980 | EP0013698A1 Process for the production of reinforced, resin-impregnated sheets by saturation of a fibrous web, and sheets so obtained |
| 08/05/1980 | US4216253 Molding process for the fabrication of hollow shaped articles |
| 08/05/1980 | CA1083277A1 Construction material, a process and device for producing the same |
| 08/05/1980 | CA1083117A1 Method and apparatus for the recovery of vulcanised elastomeric material |
| 08/05/1980 | CA1083054A1 Hollow bottle and production method therefor |
| 07/29/1980 | US4214860 Apparatus for blow molding hollow articles, in particular bottles |
| 07/29/1980 | US4214640 Machine for the automatic manufacture of mixtures of different kinds of caoutchouc intended to form part of a filler mixture |
| 07/23/1980 | EP0013635A1 Method and apparatus for producing rubber melt |
| 07/15/1980 | US4212841 Manufacture of hollow thermoplastic articles |
| 07/15/1980 | US4212774 Depolymerization by saponification; seapartion and repolymerization |
| 07/15/1980 | US4212607 Fiber distributor |