| Patents for B29C 71 - After-treatment of articles without altering their shape; Apparatus therefor (6,473) |
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| 03/24/1981 | CA1097859A1 Surface-treated soft contact lenses |
| 03/17/1981 | US4256683 Heat treatment of windshield wiper blades |
| 03/03/1981 | CA1096574A1 Processing extruded elastomers |
| 02/25/1981 | EP0024196A1 A method for the rotary forming of articles |
| 02/24/1981 | US4252413 Method of and apparatus for shielding inert-zone electron irradiation of moving web materials |
| 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 |
| 02/11/1981 | EP0023776A1 A method of heat-treating a polyolefin film |
| 02/10/1981 | CA1095211A1 Processing extruded thermoplastic polymer |
| 02/03/1981 | CA1094974A1 Irradiation of polymers |
| 01/27/1981 | US4247514 Process for strengthening a shaped article of a polyester |
| 01/27/1981 | US4247440 Low-temperature ionizing radiation; aromatic plasticizers |
| 01/27/1981 | US4246917 High-speed stabilization of molded parts |
| 01/20/1981 | US4246353 Melt processing of fluorinated polymers |
| 01/20/1981 | US4246315 Carrier materials impregnated with thermosetting resins, process for their manufacture and their use |
| 01/14/1981 | EP0022168A1 Method of making laminated products from hard foam and fibre reinforced resins |
| 01/07/1981 | EP0021667A1 Production and storage of polyvinylbutyral sheet rolls |
| 01/07/1981 | EP0020958A1 Shaped article of plastic or of natural rubber and process for its production |
| 12/16/1980 | CA1091848A1 Packaging materials having excellent gas permeation resistance and process for preparation thereof |
| 12/16/1980 | CA1091719A1 Plastics pipe couplings |
| 12/02/1980 | US4237181 Method of manufacturing a flexible polyurethane foam product |
| 12/02/1980 | US4237088 Stretching of polyethylene terephthalate films |
| 11/11/1980 | US4233022 Apparatus for forming heat treated blown thermoplastic articles |
| 10/29/1980 | EP0018058A2 Container preforms of nitrile thermoplastic material |
| 10/28/1980 | US4230658 Heat treatment |
| 10/15/1980 | EP0017277A1 Apparatus and method for winding continuous webs |
| 10/07/1980 | US4226825 Roughening by film edge by deformation |
| 10/07/1980 | US4226818 Production of polyvinylbutyral sheet rolls |
| 10/07/1980 | US4226687 Method of preventing fine cracks from occuring in rubber or plastic insulation of an insulated wire or cable exposed to electron beam irradiation |
| 10/07/1980 | CA1087020A1 Process for turning a coated casing inside out |
| 09/30/1980 | US4225549 Dehydration |
| 09/30/1980 | US4225403 Heat resistance, tensile strength |
| 09/30/1980 | US4225373 Heat sealing ethylene-vinyl acetate |
| 09/30/1980 | US4225049 Packaged article covered with special film |
| 09/23/1980 | CA1086038A1 Method for manufacturing tubes provided with an insulating covering made of foam plastic |
| 09/16/1980 | US4223177 Structure and method for sealing electronic parts |
| 09/09/1980 | CA1085425A1 Paper carrier stripping method and apparatus |
| 09/03/1980 | EP0015125A1 Process for improving films of poly(p-methylstyrene) and copolymers |
| 09/02/1980 | US4220512 Morphology stabilization of heterogeneous polymer blends |
| 08/05/1980 | CA1083265A1 Method for irradiation of round-section cylindrical objects with accelerated electrons |
| 06/25/1980 | EP0012405A1 Process for the manufacture of flat thermoplastic films having improved dimensional stability |
| 06/25/1980 | EP0012330A1 Apparatus for guiding and moving windable products through an electron irradiation field |
| 06/11/1980 | EP0012026A1 A method of making a heat-sealed food package |
| 06/11/1980 | EP0011860A1 Apparatus and method for handling lengths of thermoplastic web |
| 05/28/1980 | EP0011539A1 Method and apparatus for the production of a multichannel cylindrical profile |
| 05/28/1980 | EP0011371A1 Method and apparatus for opening fibrillated film networks |
| 05/27/1980 | US4205114 Heat and grease resistant containers comprising poly (p-methylstyrene) |
| 05/20/1980 | US4204135 Piezoelectric elements of organic high molecular weight materials |
| 05/06/1980 | US4201620 Web rolling apparatus |
| 04/22/1980 | CA1075893A1 Heat transfer roll and method |
| 04/15/1980 | US4198037 Method of making polyester elastomer compression spring and resulting product |
| 04/02/1980 | EP0009377A1 Thermoformed shaped articles of poly(p-methylstyrene) and process for their production, adaptable for use as food containers |
| 04/01/1980 | CA1074516A1 Manufacturing of plastic hollow bodies |
| 03/25/1980 | CA1074066A1 Parison transfer device |
| 03/04/1980 | US4191341 Winding apparatus and method |
| 02/19/1980 | US4189420 Polyolefin resin composition and method for making polyolefin film |
| 02/19/1980 | CA1072044A1 Method of fabricating crosslinked thermoplastics articles |
| 02/12/1980 | CA1071522A1 Method and apparatus for manufacture of insulating sleeves |
| 02/06/1980 | EP0007574A1 Liquid-crystalline polymeric phase with a cholesteric structure, method for its preparation and its use |
| 01/29/1980 | CA1070625A1 Frosted bottle of saturated polyester and method of making the same |
| 01/22/1980 | CA1070444A1 Method of increasing the water absorption of cellulose-containing materials |
| 01/15/1980 | CA1069667A1 Apparatus for forming tubular pipe covering sections |
| 01/09/1980 | EP0006824A2 Process and apparatus for cleaning films of plastic material and films so cleaned |
| 01/08/1980 | CA1069426A1 Film laminates having a reirradiated layer |
| 12/18/1979 | US4179488 Method of making a frosted bottle of saturated polyester |
| 12/11/1979 | US4178220 Uniformly irradiated polymer film |
| 12/04/1979 | US4176816 Internal water encapsulating chamber |
| 12/04/1979 | CA1067270A1 Process for forming a heat-shrinkable polyethylene terephthalate film |
| 11/13/1979 | US4174043 Irradiation polymerization |
| 10/30/1979 | US4172874 Filament curling method |
| 10/23/1979 | CA1064664A1 Method of manufacturing a relief-textured decorative plastics web |
| 10/16/1979 | CA1064210A1 Process and apparatus for heat setting biaxially oriented tubular polyethylene terephthalate films |
| 10/02/1979 | CA1063309A1 Process for reducing core-set curling tendency and core-set curl of polymeric film elements |
| 09/18/1979 | CA1062429A1 Heat-setting process for polyester film |
| 08/21/1979 | CA1060605A1 Regenerated cellulose softener recovery method and apparatus |
| 08/14/1979 | US4164524 Treatment of blood containing vessels |
| 08/14/1979 | US4164298 Changing crystal structure, opacity, clarity |
| 07/31/1979 | US4162557 Process for turning a coated casing inside out |
| 07/24/1979 | US4162354 Promoters for radiation induced cross-linking in polymer substances |
| 07/10/1979 | US4160799 Maintaining planarity in polyester film during uniform temperature heat relaxation |
| 07/10/1979 | CA1057927A1 Manufacture of thin walled plastics articles |
| 06/05/1979 | CA1055884A1 Heat-treated, corona-treated polymer bodies and a process for producing them |
| 05/30/1979 | EP0002121A1 Nitrile containers and process improvements for forming same |
| 05/02/1979 | EP0001726A1 Process and apparatus for the stabilization of articles of foam plastics, and articles obtained |
| 05/01/1979 | CA1053716A1 Method and apparatus for handling workpieces |
| 04/17/1979 | US4150079 Pressure |
| 04/10/1979 | CA1052066A1 Process for preparing a web of film prior to winding it into a wound roll |
| 04/03/1979 | CA1051821A1 Cross-linked amide/olefin polymeric laminates |
| 03/21/1979 | EP0001072A1 Method for the mechanical removal of fluids from flat produce consisting of polymers |
| 03/21/1979 | EP0001063A1 Process for washing and/or drying of liquid containing films made by electrolytical precipitation or thermal or electrical coagulation of natural and/or synthetic rubber |
| 03/13/1979 | US4144154 Polythiol accelerated radiation crosslinking of olefinically unsaturated polymers |
| 03/13/1979 | CA1050481A1 Method for the manufacture of an electret fibrous filter |
| 03/06/1979 | US4143218 Battery separator of improved permeability formed by swelling a hydrophilic film in an alcohol, quenching |
| 02/27/1979 | US4141953 Method for accelerating the transformation of the crystalline form of isotactic polybutene pipe |
| 02/27/1979 | US4141735 Process for reducing core-set curling tendency and core-set curl of polymeric film elements |
| 02/07/1979 | EP0000646A1 Process and apparatus for the radiation curing of cable insulation |
| 02/06/1979 | CA1047716A2 Cold branding apparatus |
| 01/23/1979 | US4135675 Paper carrier stripping method and apparatus |
| 01/16/1979 | US4134812 Blending with tetrakis-(methylene-(3,5-di-t-butyl)-4-hydroxy-hydrocinnamate)-methane, crosslinking with an acetylenic compound |
| 12/26/1978 | CA1044938A1 Sheet material rendered less flexible by coating with a material curable with actinic light |