| Patents for B29C 61 - Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor (5,240) |
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| 04/07/1981 | CA1098742A1 Plastic netting, and pallet load wrapping therewith |
| 03/31/1981 | CA1098268A1 Method and apparatus for molding optical plastic lenses of the standard and bifocal type |
| 03/27/1981 | EP0022778A4 Radial lip seal and method of making it. |
| 03/24/1981 | US4258166 With high strength in a direction transverse to its uniaxial orientation |
| 03/24/1981 | US4257839 Apparatus for joining opposed leg portions of molded coupling elements for slide fasteners |
| 03/24/1981 | US4257834 Solidified binder filling pattern |
| 03/24/1981 | US4257833 Method of manufacture of cable belts having generally symmetrically tensioned cables |
| 03/18/1981 | EP0025387A1 Apparatus for moulding information carrying discs |
| 03/17/1981 | US4256028 Method and apparatus for making plastic preforms for packaging containers |
| 03/10/1981 | CA1097043A1 Apparatus for removing coupling element residuals |
| 03/05/1981 | WO1981000662A1 Electric heating material and method of manufacturing the same |
| 03/03/1981 | CA1096567A1 Plasticizing and molding articles from polymer strip |
| 02/25/1981 | EP0024179A1 Electrical heating element and process for preparation thereof |
| 02/24/1981 | US4252849 Heat shrinkable covers |
| 02/24/1981 | US4252692 Materials having non-linear electrical resistance characteristics |
| 02/24/1981 | US4252294 Mold for injection molding |
| 02/24/1981 | US4251912 Apparatus for producing a coupling element assembly for slide fasteners |
| 02/17/1981 | US4251474 Annular gasket for moulding lenses for organic material |
| 02/17/1981 | US4251306 Method of producing a reinforced endless toothed belt having a fabric cover |
| 02/17/1981 | US4251304 Heat-recoverable articles and their use |
| 02/17/1981 | US4250605 Heat shrunken sleeve with a polysiloxane elastomer adhesive |
| 02/11/1981 | EP0023788A1 Arrangement and method for covering elongate substrates |
| 02/11/1981 | EP0023776A1 A method of heat-treating a polyolefin film |
| 02/10/1981 | US4250081 Zeolites of alkali or alkaline metal oxides, aluminum oxide, and silicon oxide; fillers |
| 02/10/1981 | US4249876 Control of plastics extrusion |
| 02/10/1981 | US4249666 Hollow body of thermoplastic material |
| 02/10/1981 | CA1095211A1 Processing extruded thermoplastic polymer |
| 02/04/1981 | EP0023418A1 Jacket for wrapping around a pipe, cable or the like |
| 02/03/1981 | CA1094984A1 Decorative neckband label for a bottle |
| 01/28/1981 | EP0022778A1 Radial lip seal and method of making it |
| 01/27/1981 | US4246900 Diaper including moisture-responsive seal means |
| 01/27/1981 | US4246687 Branch-off method |
| 01/27/1981 | CA1094368A1 Method and means for joining elongate members |
| 01/27/1981 | CA1094276A1 Method of making a trim strip |
| 01/21/1981 | EP0022660A1 Method of forming insulated connections and heat shrinkable tube for use therein |
| 01/20/1981 | US4245674 Protective cover for a thermoresponsive tube |
| 01/20/1981 | CA1093798A1 Method and means for feeding a continuous core to a coiling station in the manufacturing of coiled coupling elements for slide fasteners together with the core received in place therein |
| 01/13/1981 | US4245065 Vulcanized, cis and trans 1,4-addition product |
| 01/13/1981 | US4244900 Thermoplastic polyolefin |
| 01/07/1981 | EP0021691A1 Process for preparation of vessel closures provided with liners and bottles sealed by such closures |
| 01/07/1981 | EP0021672A1 Oriented polypropylene film substrate and method of manufacture |
| 01/07/1981 | EP0021669A1 Apparatus and method for preparing flexible diaphragms |
| 01/07/1981 | EP0021635A1 A uniaxially oriented low-density polyethylene film and a process for its manufacture |
| 01/07/1981 | EP0021438A1 Method of manufacturing shrinkable sleeves from cross-linking plastics material |
| 01/06/1981 | US4243712 Polybutylene terephthalate, mixture |
| 01/06/1981 | US4243620 Method of manufacturing an object in plastics material and object obtained thereby |
| 01/06/1981 | CA1092766A1 Heat-recoverable article |
| 01/06/1981 | CA1092765A1 Silicone rubber enclosure element and method of using |
| 12/30/1980 | CA1092307A1 Lens-casting cell |
| 12/23/1980 | US4241127 Starting tail for film rolls |
| 12/23/1980 | US4241119 Dimensionally heat-unstable products |
| 12/23/1980 | US4240993 Multi-layer film containing a layer of crosslinked ethylene/vinyl alcohol copolymer |
| 12/23/1980 | CA1091881A1 Heat recoverable sleeve having a dimensionally heat stable portion |
| 12/16/1980 | USRE30447 Spirally wound heat shrinkable outer layer of a tube having a pressure sensitive adhesive inner layer |
| 12/16/1980 | CA1091407A1 Process for producing a product having a dyed, fibrous surface |
| 12/11/1980 | WO1980002703A1 Method for the production of a link-belt and a link-belt produced thereby |
| 12/10/1980 | EP0020038A1 Weaving process for making an impregnated conveyor belting |
| 12/10/1980 | EP0020007A1 Method of bonding sheet materials to form wraps |
| 12/09/1980 | US4238267 Apparatus for producing shrinkable plastic caps |
| 12/09/1980 | US4237981 Horseshoe |
| 12/09/1980 | CA1091269A1 Laminated identification card with bond promoting patterned layer |
| 12/02/1980 | US4237174 Wrap-around devices |
| 12/02/1980 | US4236683 Coupling element for slide fastener and method of manufacture |
| 11/26/1980 | EP0019429A1 Device and method of heating articles |
| 11/26/1980 | EP0019336A1 Plastics crate or tray comprising injection moulding points, method and mould for manufacturing such a crate or tray |
| 11/25/1980 | US4235832 High pressure injection molding and curing of thermoplastic resins |
| 11/25/1980 | US4235579 Synthetic plastics article manufacturing system |
| 11/25/1980 | US4235136 Trimming disc records |
| 11/18/1980 | US4234781 Method and arrangement for heat-welding together two tubular elements |
| 11/18/1980 | US4234218 Feedthrough device |
| 11/18/1980 | US4234020 Heat recoverable closure assembly and method |
| 11/11/1980 | US4232712 Heat-recoverable articles |
| 10/29/1980 | EP0018210A1 Moulding apparatus for record discs |
| 10/29/1980 | EP0017758A2 Process for manufacturing a string of polyvinylidene fluoride monofilament and its use |
| 10/28/1980 | CA1088408A1 Method for the manufacture of packing containers and an arrangement for the carrying out of the method |
| 10/21/1980 | US4228761 Method for coating a polymeric article with a thermochromic paint |
| 10/21/1980 | CA1087824A1 Heat recoverable article |
| 10/21/1980 | CA1087818A1 Method for the production of a polymer substrate with a fibrous surface |
| 10/21/1980 | CA1087808A1 Flock treatment |
| 10/14/1980 | US4227673 Gasket for casting lenses |
| 10/07/1980 | US4226822 Biaxially stretched five-layer film and method for manufacture thereof |
| 10/07/1980 | US4226577 Apparatus for injection molding of continuous slide fastener chain |
| 10/07/1980 | US4226046 Figurine capable of gripping a support |
| 10/01/1980 | EP0016253A1 Method of manufacturing endless drive belts |
| 10/01/1980 | EP0015958A1 Thermoplastic welding sleeve. |
| 09/30/1980 | US4225551 Boat hulls |
| 09/30/1980 | US4225370 Contracted fibrous overwrap method for thermoplastic coated article |
| 09/30/1980 | US4225049 Packaged article covered with special film |
| 09/30/1980 | CA1086894A1 Irradiated polymer |
| 09/23/1980 | CA1086038A1 Method for manufacturing tubes provided with an insulating covering made of foam plastic |
| 09/17/1980 | EP0015556A1 Laminar articles of polyolefin and a second polymer and process for making them |
| 09/16/1980 | US4223209 Article having heating elements comprising conductive polymers capable of dimensional change |
| 09/16/1980 | US4223177 Structure and method for sealing electronic parts |
| 09/16/1980 | US4222723 Molds for injection molding of continuous slide fastener chain |
| 09/16/1980 | CA1085993A1 Copolymers and diaphragms made therefrom |
| 09/09/1980 | US4221457 Coil connector |
| 09/09/1980 | CA1085127A1 Heat recoverable self-heating sealing article and method of sealing a splice therefrom |
| 09/03/1980 | EP0015202A1 Annular gasket for use in the casting of ophthalmic or optical lenses of organic material, and method of using such a gasket |
| 09/03/1980 | EP0015181A1 Process for the moulding of articles from synthetic material |
| 09/03/1980 | EP0014973A1 Method of manufacturing a moulded element |