| 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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| 04/14/1981 | US4261473 Bottles or cups having impermeability to oxygen, strength, hardness, and transparency |
| 04/08/1981 | EP0026566A1 Process for transversely stretching polyethylene terephthalate film |
| 04/07/1981 | US4260567 Shrinkage reduction of blow molded oriented pet bottle |
| 04/07/1981 | US4260358 Molding device |
| 04/07/1981 | CA1098673A1 Parison extrusion head |
| 04/07/1981 | CA1098666A1 Plastic bottle forming machine with modular design |
| 03/31/1981 | US4259056 Bottle-molding system |
| 03/31/1981 | CA1098273A1 Process for the molding of plastic structural web and the resulting articles |
| 03/25/1981 | EP0025435A1 Transfer membrane assembly. |
| 03/24/1981 | US4258166 With high strength in a direction transverse to its uniaxial orientation |
| 03/24/1981 | US4257525 Bottle with attached handle |
| 03/24/1981 | CA1097862A1 Tubular extrusion apparatus |
| 03/24/1981 | CA1097861A1 No translation available |
| 03/24/1981 | CA1097860A1 Coating process |
| 03/19/1981 | WO1981000690A1 Process for manufacturing draw blow-molded bottles of saturated polyester |
| 03/17/1981 | US4256789 Injection molded, polyethylene terephthalate parison for blow molding |
| 03/17/1981 | US4256231 Container with a synthetic lining impermeable to liquids and method of making |
| 03/11/1981 | EP0024622A1 Process and apparatus for manufacturing a flat hose |
| 03/10/1981 | US4255376 Solvent stretch process for preparing microporous films from precursor films of controlled crystalline structure |
| 03/10/1981 | US4255107 Control apparatus for producing uniform thickness corrugated tubing |
| 03/03/1981 | US4254170 Coating preform with polyvinyl alcohol and a water insoluble latex |
| 03/03/1981 | US4254080 Forming substantially rectangular articles from preforms of polyalkylene terephthalate |
| 03/03/1981 | US4254079 Forming non-cylindrical articles from preforms of polyalkylene terephthalate |
| 02/24/1981 | US4252966 Biaxially drawn polyhexamethylene adipamide film |
| 02/24/1981 | US4252851 Multiple-layer films |
| 02/24/1981 | CA1096128A1 Method of and apparatus for stretching film |
| 02/24/1981 | CA1096126A1 Edge abrasion resistant plastic strapping and method and apparatus for making the same |
| 02/17/1981 | US4251253 Cooling system for molds |
| 02/17/1981 | US4251203 Apparatus for producing articles from thermoplastic parisons |
| 02/17/1981 | US4251199 Stabilizer for resin bubbles |
| 02/10/1981 | US4250129 Polystyrene |
| 02/10/1981 | US4249666 Hollow body of thermoplastic material |
| 02/05/1981 | WO1981000231A1 Apparatus for making a multi-layer injection blow molded container |
| 02/05/1981 | WO1981000230A1 Multi-layer container and method of making same |
| 02/03/1981 | US4248991 Ethylene-vinyl acetate copolymer |
| 02/03/1981 | US4248583 Blow-molding unit for synthetic plastic materials |
| 02/03/1981 | US4248582 Blow molding machine |
| 02/03/1981 | US4248466 Snow scoop with wear strip along lip and method of attaching the wear strip in a blow molding process |
| 02/03/1981 | CA1094963A1 Container with a synthetic lining impermeable to liquids and method of making |
| 02/03/1981 | CA1094895A1 Coated film |
| 01/28/1981 | EP0023091A1 Process of reducing blowing cycle for blow molded containers and resultant container |
| 01/27/1981 | US4247515 Process for molding of plastic structural web articles |
| 01/27/1981 | US4247496 Irradiation of polypropylene, polyethylene terephthalate |
| 01/27/1981 | US4246734 Fold down multi-purpose vehicle seat back core with inmolded metal reenforcing member |
| 01/20/1981 | US4246227 Method of making a unitary bowl, waterway, and trap for a toilet |
| 01/20/1981 | US4246212 Method and apparatus for optimizing the output of a blown film extruder plant by means of a process computer |
| 01/20/1981 | CA1093773A1 Thread forming and neck finishing process and apparatus |
| 01/20/1981 | CA1093772A1 Process for the automatic inspection of blow-molded articles |
| 01/14/1981 | EP0022343A1 Blow moulding method and apparatus |
| 01/14/1981 | EP0022278A1 Method and apparatus for longitudinally stretching a substantially amorphous polyethylene terephthalate film |
| 01/13/1981 | US4244988 Method of coating linear polyester with aqueous latex |
| 01/13/1981 | US4244914 Process for preparing gas-, vapor- and odor-proof coupled and coextruded multilayer articles of thermoplastic material and closed-surface bodies comprising the same |
| 01/13/1981 | US4244913 Method for injection blow molding |
| 01/13/1981 | US4244900 Thermoplastic polyolefin |
| 01/13/1981 | US4244459 Parison unscrambler |
| 01/07/1981 | EP0021672A1 Oriented polypropylene film substrate and method of manufacture |
| 01/07/1981 | EP0021635A1 A uniaxially oriented low-density polyethylene film and a process for its manufacture |
| 01/07/1981 | EP0021466A1 Polypropylene film and its application |
| 01/07/1981 | EP0020530A1 Centrifuge apparatus and method for producing hollow microspheres |
| 01/06/1981 | US4243712 Polybutylene terephthalate, mixture |
| 01/06/1981 | US4243629 Method and apparatus for the continuous extrusion and blowing of thin films of plastic material in particular rigid PVC |
| 01/06/1981 | US4243627 Polyvinyl chloride, polyvinyl alcohol, extrusion |
| 01/06/1981 | US4243620 Method of manufacturing an object in plastics material and object obtained thereby |
| 01/06/1981 | US4242786 Method of forming an assembled article |
| 01/06/1981 | CA1093015A1 Plastics barrel |
| 01/06/1981 | CA1092764A1 Apparatus for and method of producing corrugated thermoplastic tubing |
| 01/06/1981 | CA1092763A1 Method of producing seamless tubular articles having an arcuate portion along the tubular axis |
| 12/30/1980 | US4242300 Method for processing parisons |
| 12/30/1980 | CA1092318A1 Oriented polyolefin film |
| 12/23/1980 | US4241128 Polyvinylidene fluoride |
| 12/23/1980 | US4241009 Parison pickers with variable spacing |
| 12/23/1980 | US4241008 Polyethylene terephthalate |
| 12/23/1980 | CA1091878A1 Cooling apparatus for air cooling tubular plastics film made by a film blowhead |
| 12/16/1980 | US4239726 Method for forming, filling and sealing a container having plural closures |
| 12/16/1980 | US4239475 Apparatus for making oriented containers |
| 12/16/1980 | US4239474 Apparatus for molding a plastic pipe |
| 12/16/1980 | CA1091848A1 Packaging materials having excellent gas permeation resistance and process for preparation thereof |
| 12/10/1980 | EP0020248A1 Apparatus for moulding cylindrical pieces |
| 12/09/1980 | US4238443 Process for transversely stretching polyethylene terephthalate film |
| 12/09/1980 | US4238264 Aerosol barrier package with a bag adhesively attached to the curl |
| 12/09/1980 | CA1090971A1 Producing articles by coextruding polyvinyl alcohol and another thermoplastic material |
| 12/02/1980 | US4237088 Stretching of polyethylene terephthalate films |
| 12/02/1980 | CA1090519A1 Blow molding method |
| 11/26/1980 | EP0019005A1 Method and apparatus for the production of suppository shells |
| 11/25/1980 | US4235837 Polyethylene terephthalate injection blow molding |
| 11/25/1980 | US4235834 Acrylic ester polymers |
| 11/25/1980 | CA1090073A1 Process for making a one piece rotor liner |
| 11/18/1980 | US4234664 Quaternary ammonium salts, antistatic |
| 11/18/1980 | US4234642 Molded plastic structural web articles |
| 11/18/1980 | US4234532 Simultaneous stretching of length and transverse section and heat setting |
| 11/18/1980 | US4234302 Apparatus for the preparation of hollow plastic articles |
| 11/18/1980 | US4234299 Blow pin construction in a plastic bottle blow molding machine |
| 11/18/1980 | US4234297 Apparatus for blow molding |
| 11/12/1980 | EP0018802A1 Process for preparing a piezoelectric pyroelectric film, and capacitors, piezoelectric and pyroelectric devices incorporating the film |
| 11/12/1980 | EP0018715A1 Process for preparing heat-stabilized polyacrylonitrile films and polyacrylonitrile films thus produced |
| 11/12/1980 | EP0018410A1 Method and apparatus for producing hollow plastic microspheres |
| 11/11/1980 | US4233262 Blow molding |
| 11/11/1980 | US4233101 Method of lining a pipe |
| 11/11/1980 | US4233022 Apparatus for forming heat treated blown thermoplastic articles |
| 11/11/1980 | US4233021 Plastic bottle forming machine |