| Patents for B29C 49 - Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor (26,476) |
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| 09/22/1981 | US4290745 Apparatus for blow molding |
| 09/22/1981 | CA1109506A1 Vehicle load floor and method of making same |
| 09/22/1981 | CA1109217A1 Blow molding machine |
| 09/22/1981 | CA1109216A1 Air ring for the production of blown film |
| 09/22/1981 | CA1109215A1 Blow molding machine |
| 09/15/1981 | US4289817 Decorated multilayered hollow plastic container |
| 09/09/1981 | EP0035035A1 Process for manufacturing draw blow-molded bottles of saturated polyester |
| 09/08/1981 | US4288478 Parison and method for forming parisons for biaxial orientation blow molding |
| 09/01/1981 | US4287298 Film base material containing a combination of surfactants |
| 09/01/1981 | US4287150 Method and apparatus for injection blow molding an article with improved detail definition |
| 09/01/1981 | US4287149 Process for the production of polymer materials |
| 09/01/1981 | US4286940 Method and apparatus for injection blow molding an article with improved detail definition |
| 08/26/1981 | EP0034267A1 Machine for producing blown hollow plastic articles |
| 08/26/1981 | EP0034158A1 Multi-layer article and method of making same. |
| 08/25/1981 | US4286000 Plastic preform |
| 08/25/1981 | US4285658 Self-centering blow mold |
| 08/25/1981 | US4285657 Injection blow molding apparatus |
| 08/25/1981 | CA1107627A1 High-strength laminate of thermoplastic polymer films, and method of manufacturing same |
| 08/20/1981 | WO1981002286A1 Plastic container with non-coring penetrable wall portion |
| 08/19/1981 | EP0034080A1 Grained ethylene-propylene copolymer films, process for making them and apparatus for carrying out this process |
| 08/18/1981 | US4284397 Device for drawing thermoplastic preforms during the blow molding thereof |
| 08/18/1981 | US4284370 Air conveyor for bottles and bottle preforms |
| 08/18/1981 | CA1107025A1 Composite product from two or more polymer components, and a process for the manufacture of such a product |
| 08/12/1981 | EP0033489A1 Machine for producing blown hollow plastic articles |
| 08/12/1981 | EP0033333A1 Apparatus for making a multi-layer injection molded article. |
| 08/11/1981 | US4283637 Signal generator |
| 08/06/1981 | WO1981002135A1 Machine for the production of plastic blown hollow bodies |
| 08/06/1981 | WO1981002134A1 Machine for manufacturing hollow bodies of plastic material by blowing |
| 08/06/1981 | WO1981002133A1 Apparatus for preparing a parison and transferring it to a molding machine |
| 08/04/1981 | US4281769 Packing container |
| 08/04/1981 | CA1106119A1 Method for producing hollow articles from oriented thermoplastics |
| 08/04/1981 | CA1106118A1 Method and apparatus for producing thermoplastic hallow bodies |
| 07/28/1981 | US4280859 Method of manufacturing a blow-molded container with an integral handle |
| 07/28/1981 | US4280805 Injection blow molding apparatus |
| 07/28/1981 | US4280630 Container with handle |
| 07/28/1981 | US4280629 Blow molded from acrylonitrile polymer |
| 07/28/1981 | CA1105664A1 Machine and process for manufacturing flat-bottomed plastic bottles |
| 07/21/1981 | US4279857 Method for controlling wall thickness in extruded tubular synthetic-resin blank |
| 07/21/1981 | US4279587 Blow molding machine |
| 07/21/1981 | US4279580 Apparatus for making biaxially stretched tubular films |
| 07/21/1981 | CA1105216A1 Injection blow molding apparatus |
| 07/08/1981 | EP0031665A2 Two-layer heat sealable packaging film |
| 07/07/1981 | US4277300 Method for forming a molded squeeze toy including whistle |
| 07/07/1981 | US4277232 Apparatus for forming a molded squeeze toy including whistle |
| 07/07/1981 | US4276986 Bottle made of saturated polyester resin |
| 07/07/1981 | CA1104737A1 Polypropylene film compositions and biaxially oriented polypropylene film containing styrene polymers |
| 07/07/1981 | CA1104313A1 Chitin films and fibers |
| 06/30/1981 | EP0015293A4 Method and apparatus for producing hollow microspheres. |
| 06/30/1981 | CA1103868A1 Parison pickers with variable spacing |
| 06/25/1981 | WO1981001679A1 Blow molding machine |
| 06/24/1981 | EP0030936A2 A method for producing a shaped article comprising two closely-spaced substantially parallel walls enclosing a volume therebetween which is filled with foam |
| 06/24/1981 | EP0030729A1 A clamping device for molds used in the blow molding of hollow plastic articles |
| 06/23/1981 | US4275175 Molding compositions and process for preparing same |
| 06/23/1981 | CA1103420A1 Oven with improved parison rotating means |
| 06/23/1981 | CA1103418A1 Biaxially drawn polyhexamethylene adipamide film and process for producing same |
| 06/16/1981 | US4274025 Polyester films containing substantially spherical particles useful as slot liners |
| 06/16/1981 | US4273605 Internal lining and sealing of hollow ducts |
| 06/16/1981 | US4273246 Bottles with attached handles and a method of forming the same |
| 06/10/1981 | EP0030124A1 Method of and apparatus for processing polyethylene terephthalate preforms |
| 06/09/1981 | US4272233 Mold for producing extra thin walled plastic containers |
| 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 | US4271226 Polymer tape for under water use |
| 06/02/1981 | CA1102062A1 Apparatus and method for internally cooling a plastic tubular film bubble |
| 06/02/1981 | CA1102061A1 Detecting and sorting abnormal articles during blow molding |
| 05/27/1981 | EP0029119A2 Process for producing a rough electrically insulating foil of polypropylene |
| 05/26/1981 | US4268975 Apparatus for pre-heating thermoplastic parisons |
| 05/19/1981 | US4268470 Polymer materials |
| 05/19/1981 | US4268242 Pedagogic molding apparatus |
| 05/19/1981 | CA1101594A1 Thermoplastic polyesters, and method of making hollow articles |
| 05/19/1981 | CA1101173A1 Method for the treatment of rigid plastic containers and an arrangement for the carrying out of the method |
| 05/13/1981 | EP0028450A2 Manufacture of thermoplastics pipe |
| 05/13/1981 | EP0028297A1 Integrated molding with rotation and blow molding method and apparatus |
| 05/12/1981 | US4267144 Process of reducing blowing cycle for blow molded containers |
| 05/12/1981 | US4267143 Process for the manufacturing of bioriented hollow bodies |
| 05/12/1981 | US4266927 Apparatus for molding a plastic article |
| 05/12/1981 | CA1100731A1 Molded rubber article and method |
| 05/12/1981 | CA1100730A1 Biaxially stretched five-layer film and method for manufacture thereof |
| 05/06/1981 | EP0028066A2 A method for making a length of thermoplastics pipe by the radial expansion of a pipe blank within a circular cross-section mould |
| 05/06/1981 | EP0028065A2 Apparatus for use in the manufacture of thermoplastics pipe by the radial expansion of a pipe blank within a circular cross-section mould |
| 05/06/1981 | EP0027914A1 An oriented Plastics preform for making an open mouth container |
| 04/29/1981 | EP0027735A1 Method and apparatus for manufacturing stretched sheets from a tubular film |
| 04/29/1981 | EP0027708A1 Thermoplastic reinforced hose |
| 04/29/1981 | EP0027575A2 Apparatus for controlling the production rate of an extruder |
| 04/28/1981 | US4264667 Polyester film |
| 04/28/1981 | US4264558 Method of producing plastic containers for storage of goods under pressure |
| 04/28/1981 | US4264016 Plastic drums and drum assemblies with preformed inserts |
| 04/28/1981 | CA1099882A1 Process and apparatus for impregnating microporous films and the product produced thereby |
| 04/28/1981 | CA1099880A1 Molded plastic article having an insert therein and a process for forming same |
| 04/28/1981 | CA1099868A1 Method of making endotracheal tube cuffs |
| 04/28/1981 | CA1099867A1 Tubular film extrusion with shape imposition |
| 04/22/1981 | EP0027379A2 Apparatus for and method of applying a base cup to a round bottomed container |
| 04/22/1981 | EP0027273A1 Fibrillated and orientated reinforcement films made of at least one film-forming, orientable synthetic polymer, process for the preparation of such films and hydraulic binder-based products containing these films |
| 04/16/1981 | WO1981000984A1 Bottle-shaped container of orientation-molded polypropylene resin and method of molding the same |
| 04/15/1981 | EP0026911A1 Biaxially stretched polypropylene sheet with preferential orientation, and process for its manufacture |
| 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 | US4261949 Process for formation of molecularly oriented plastic bottles |
| 04/14/1981 | US4261948 Method of increasing the wall thickness of a bottom structure of a blown plastic material container |
| 04/14/1981 | US4261944 Method for the manufacture of biaxially stretched polyolefin film |
| 04/14/1981 | US4261482 For dentifrices, cosmetics, or foods |