| Patents for B29C 55 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor (16,059) |
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| 12/08/1981 | US4304743 Methods of manufacturing assemblages of fasteners |
| 12/01/1981 | US4303714 Plastics material mesh structure |
| 11/25/1981 | EP0040297A1 A method of heat treating polyester film |
| 11/24/1981 | US4302504 Polymer of alpha-olefin coated with blend of propylene copolymer and alpha-olefin copolymer; food packaging |
| 11/24/1981 | US4302408 Method of producing pyro-electric and piezo-electric elements |
| 11/24/1981 | US4302176 Tube expander |
| 11/17/1981 | US4301112 Process for biaxially oriented acrylonitrile polymer barrier film |
| 11/17/1981 | US4300966 Automatically applying bottoms to plastic cups |
| 11/17/1981 | US4300964 Adhesion of textile cords to rubber by dip coating using an N-methylol group containing polymer |
| 11/17/1981 | US4300878 Extrusion die for forming composite rubber-cord strip |
| 11/17/1981 | US4300615 Fabric composite and rubber reinforced therewith |
| 11/11/1981 | EP0039601A2 Process for the manufacture of dimensionally recoverable articles |
| 11/11/1981 | EP0039408A2 Rubber skim stock with improved adhesion to a brass coated metal member |
| 11/10/1981 | US4299793 Method and apparatus for producing tubular plastic films |
| 11/04/1981 | EP0038798A1 Polymer processing. |
| 11/03/1981 | US4298719 Doubly oriented film of polyvinylidene fluoride |
| 11/03/1981 | US4298329 Sizing mandrel for thermoplastic netting |
| 10/28/1981 | EP0038559A2 Method of producing an abrasion resistant sheet and apparatus for producing it |
| 10/27/1981 | US4297415 A top layer of random ethylene-propylene copolymer; a bottom of random ethylene-alpha-olefin copolymer; high-speed packaging |
| 10/27/1981 | US4297408 Laminates of cloth and filled crystalline polypropylene and a method for making them |
| 10/21/1981 | EP0038108A2 Thermoplastic packaging films with improved heat-seal characteristics |
| 10/20/1981 | US4295573 Method of obtaining a seal upon the interior surface of a container closure and resulting product |
| 10/13/1981 | US4294935 Stretching |
| 10/13/1981 | US4294882 Heat-sealable antistatic polypropylene films |
| 10/13/1981 | US4294796 Extrusion processes and apparatus for quenching tubes |
| 10/13/1981 | US4294638 Circular extrusion method providing for rotation around the extrusion opening |
| 10/07/1981 | EP0036963A1 Welding socket for thermoplastic materials, method and apparatus for its manufacture |
| 10/06/1981 | US4293585 Plasma exposure, stretching, iodine |
| 10/06/1981 | US4293508 Method and apparatus for longitudinally stretching a substantially amorphous polyethylene terephthalate film |
| 10/06/1981 | US4293294 Circular extrusion apparatus providing for rotation around the extrusion opening |
| 10/06/1981 | US4293201 Rubber-padded frames of eye spectacles and method for preparing same |
| 10/06/1981 | CA1110391A1 Modified polyester films |
| 10/06/1981 | CA1110026A1 Squeegee roller and method of making same |
| 09/30/1981 | EP0036757A1 Process and apparatus for producing biaxially attenuated thermoplastic film |
| 09/29/1981 | CA1109625A1 Wire coating using a liquid polymer |
| 09/22/1981 | US4291142 Crosslinked aromatic polyamide film and process for producing the same |
| 09/22/1981 | US4290996 Method for initiating biaxial stretching of plastic tubes and apparatus therefor |
| 09/22/1981 | US4290987 Plasmaphoresis |
| 09/22/1981 | CA1109216A1 Air ring for the production of blown film |
| 09/15/1981 | US4289832 Chemically-impregnated microporous films |
| 09/15/1981 | US4289727 Coextrusion of high density polyethylene having adhered a thermoplastic polymer of higher melting point |
| 09/09/1981 | EP0035104A2 Resorcine-filler composition, process for preparing such a composition and its use |
| 09/08/1981 | US4288400 Method for the continuous formation of biaxially oriented thermoplastic materials and forming articles therefrom by intermittent forming means interfaced therewith |
| 09/08/1981 | US4288189 Threaded insert |
| 09/01/1981 | US4287298 Film base material containing a combination of surfactants |
| 09/01/1981 | US4287249 Textured surface polypropylene film |
| 09/01/1981 | US4287149 Process for the production of polymer materials |
| 09/01/1981 | US4287011 Peel bonding, lap bonding |
| 09/01/1981 | US4286429 Blow molding tube, cutting, drawing, twisting |
| 08/26/1981 | EP0034378A1 Reinforcing cord for elastomeric articles, shaped articles of reinforced elastomeric material, more particularly pneumatic tyres for vehicles, and a process for the manufacture of reinforcing cord |
| 08/25/1981 | US4286011 Polyester films with improved processability and tear resistance |
| 08/25/1981 | US4285100 Apparatus for stretching a non-woven web or an orientable polymeric material |
| 08/25/1981 | CA1107627A1 High-strength laminate of thermoplastic polymer films, and method of manufacturing same |
| 08/19/1981 | EP0033862A1 Process for producing a moulded article from pulverulent to granular thermoplastic synthetics |
| 08/18/1981 | US4284536 Imidazolidinone additive |
| 08/18/1981 | US4284448 Heat shrinkage around forming tool, joining ends |
| 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 | EP0033389A1 Apparatus for stretching and/or normalizing the stretching ratio of thermoplastic synthetic foils |
| 08/05/1981 | EP0033275A1 Process for making a flexible and torsional element, and elements obtained by this process |
| 08/04/1981 | US4282277 Oriented, semi-crystalline polymer product and method and apparatus for producing such product |
| 07/21/1981 | US4279685 Scrapers to prepare free ends |
| 07/21/1981 | US4279580 Apparatus for making biaxially stretched tubular films |
| 07/15/1981 | EP0031868A2 Process for preparing shrinkable articles, apparatus for carrying out this process and articles thus obtained |
| 07/08/1981 | EP0031701A2 A process for producing a laminated member and a laminated member produced thereby |
| 07/08/1981 | EP0031673A2 Method of obtaining a seal upon the interior surface of a container closure |
| 07/08/1981 | EP0031665A2 Two-layer heat sealable packaging film |
| 07/08/1981 | EP0031624A1 Process for the manufacture of network packages |
| 07/08/1981 | EP0031620A2 Method for uniting a plastics fixation part attachable to an end portion of a pipe part with a sealing body, plastics fixation part, plastics pipe provided with said fixation part and apparatus for moulding a fixation part |
| 07/08/1981 | EP0031398A2 Cured rubber skim stock compositions having improved metal adhesion and metal adhesion retention, and tyre having said improvement |
| 07/07/1981 | US4277594 Heat shrinkable polyethylene film and method for its manufacture |
| 07/07/1981 | US4277429 Production of asymmetric porous film materials |
| 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 | US4276255 Method for the stretching of fasteners |
| 06/24/1981 | EP0030918A1 Method and apparatus for applying a sealing film strip to the edge of a blank |
| 06/24/1981 | EP0030648A1 Method for the production of polyethylene terephthalate packing material |
| 06/23/1981 | US4275107 Heating while keeping out of contact with any surface |
| 06/23/1981 | US4274900 Heat sealed packages |
| 06/23/1981 | CA1103418A1 Biaxially drawn polyhexamethylene adipamide film and process for producing same |
| 06/17/1981 | EP0030432A1 Adhesive compositions and their use in bonding fluorinated rubbers to substrates |
| 06/17/1981 | EP0030326A1 Method of manufacture of cast films |
| 06/16/1981 | US4274025 Polyester films containing substantially spherical particles useful as slot liners |
| 06/16/1981 | CA1102987A1 Doubled-walled articles |
| 06/11/1981 | WO1981001567A1 Vinylidene fluoride polymers |
| 06/09/1981 | US4272313 Method of manufacturing a metal cap with a lining affixed thereto at selected areas |
| 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 |
| 05/27/1981 | EP0029119A2 Process for producing a rough electrically insulating foil of polypropylene |
| 05/26/1981 | US4269877 Aromatic triazole, precipitation compound and oxidizing compound for increased surface protection and improved adhesion of brass coated steel to rubber |
| 05/20/1981 | EP0028702A1 Cured rubber compositions having improved adhesion to metallic reinforcement |
| 05/19/1981 | US4268470 Polymer materials |
| 05/12/1981 | US4267140 Refrigerated |
| 05/12/1981 | US4267079 Incorporating some neoprene in a natural rubber mixture |
| 05/12/1981 | CA1100730A1 Biaxially stretched five-layer film and method for manufacture thereof |
| 05/12/1981 | CA1100711A1 Process for the production of a storable, scorch- resistant rubber-fabric bonding agent combination |
| 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 |
| 05/05/1981 | US4265960 Films produced from LDPE encapsulated CaCO3 |
| 04/29/1981 | EP0027735A1 Method and apparatus for manufacturing stretched sheets from a tubular film |
| 04/29/1981 | EP0027538A2 Adhesion of textile cords to rubber by dip coating using an N-methylol group containing polymer |