| Patents for B32B 37 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding (41,047) |
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| 12/15/1981 | CA1114277A1 Method for bonding shaped parts of soft pvc base with shaped parts of polyolefine polymer |
| 12/08/1981 | US4304622 Apparatus for producing thick slabs of thermoplastic synthetic resin |
| 12/08/1981 | US4304021 Method and apparatus for making disposable shoe covers |
| 12/08/1981 | CA1113847A1 Corrugated paperboard for trim board and method of producing the same |
| 12/02/1981 | EP0040843A1 Laminating process |
| 12/02/1981 | EP0040842A1 Laminating process |
| 12/01/1981 | US4303456 Coating with a basic mixture of acrylate-based acrylic, vinyl, or monoolefin copolymers, foaming agents and stabilizers |
| 11/24/1981 | US4302528 Process for producing photo-curable composite materials useful for preparing stencils |
| 11/24/1981 | US4302269 Process of forming a fiber reinforced, stampable thermoplastic laminate |
| 11/18/1981 | EP0039844A2 Process for the preparation of O-substituted derivatives of (+)-cyanidan-3-ols |
| 11/17/1981 | US4300967 Methods and apparatus for elasticizing discrete areas of conformable garments |
| 11/17/1981 | US4300476 Apparatus for the stiffening of textile sheets by coating with plastic |
| 11/17/1981 | US4300242 Molded reinforced article and method |
| 11/03/1981 | CA1111749A1 Hot-press machine with facing layer carrying and setting apparatus |
| 10/27/1981 | US4297408 Laminates of cloth and filled crystalline polypropylene and a method for making them |
| 10/21/1981 | EP0038127A1 Multi-layer coating process involving use of aqueous basecoat composition containing crosslinked polymer microparticles and having a pseudoplastic or thixotropic character |
| 10/13/1981 | US4294638 Circular extrusion method providing for rotation around the extrusion opening |
| 10/13/1981 | US4294055 Honeycomb overhead door |
| 10/06/1981 | US4293635 N-alkylacrylamide-unsaturated acid-acrylate interpolymer, amphoteric |
| 10/06/1981 | US4293294 Circular extrusion apparatus providing for rotation around the extrusion opening |
| 09/30/1981 | EP0036635A2 Apparatus for assembling several layers of material |
| 09/30/1981 | EP0036616A1 Method for producing fire-resistant thermally insulating board |
| 09/29/1981 | US4292360 Pressure sensitive adhesive tape |
| 09/23/1981 | EP0036381A2 Method of forming profiles, especially tubular profiles |
| 09/22/1981 | US4290838 Method for vacuum lamination of flex circuits |
| 09/22/1981 | CA1109378A1 Dry lamination |
| 09/17/1981 | WO1981002544A1 Pressure sensitive adhesive tape |
| 09/15/1981 | US4289727 Coextrusion of high density polyethylene having adhered a thermoplastic polymer of higher melting point |
| 09/15/1981 | US4289560 Method of making laminates of thermoplastic polymers by a single-channel coextrusion process and melt injector block for use therein |
| 09/15/1981 | US4289559 Process and apparatus for heat laminating film to a substrate |
| 09/02/1981 | EP0034886A2 Process for the production of heterogeneous articles |
| 09/02/1981 | EP0034678A2 Lightweight and dimensionally accurate resin concrete molded products, and a method of making the same |
| 09/01/1981 | US4287285 By electrography |
| 08/25/1981 | CA1107627A1 High-strength laminate of thermoplastic polymer films, and method of manufacturing same |
| 08/25/1981 | CA1107625A1 Chemical resistant decorative laminate |
| 08/11/1981 | US4283462 Smooth surfaces |
| 08/11/1981 | US4282638 Controlled deflection roll |
| 07/28/1981 | US4280865 Synchronized drive for heat sealing roller anvils |
| 07/22/1981 | EP0032244A2 Composite film and process for its manufacture |
| 07/21/1981 | US4279989 Gelatin-epoxy sheet materials |
| 07/21/1981 | US4279957 Laminated film or sheet structure and process for production thereof |
| 07/08/1981 | EP0031701A2 A process for producing a laminated member and a laminated member produced thereby |
| 07/01/1981 | EP0031157A2 Manufactured articles from film forming polymers having an oriented structure, and process for the preparation of the same |
| 06/30/1981 | US4276346 Thermoplastics articles having a surface fused to cloth |
| 06/30/1981 | US4276102 Heat shrinkage of polymeric wrapping |
| 06/30/1981 | CA1245965B Abrasion-resistant laminate |
| 06/30/1981 | CA1104051A1 Abrasion-resistant laminate |
| 06/24/1981 | EP0030714A2 Process in the manufacture of a construction element |
| 06/16/1981 | US4273604 Heat bonding device |
| 06/16/1981 | CA1103139A1 Composite strip, a process for the manufacture thereof and a process for producing a sterile package including the composite strip |
| 05/20/1981 | EP0028903A1 Method for making decorative emblems having an ultrathin coating of plastic |
| 05/20/1981 | EP0028862A1 Method and apparatus for forming a plate with at least one profiled border |
| 05/19/1981 | US4268345 Continuous laminating system |
| 05/14/1981 | WO1981001263A1 Method and apparatus for forming a plate with at least one profiled border |
| 05/12/1981 | US4267223 Corrugated plasticboard |
| 05/12/1981 | US4267001 Method for making picture records |
| 04/28/1981 | US4264400 Web to a substrate |
| 04/08/1981 | EP0026522A1 A method for the manufacture of a printed, pre-creased packing material web provided with opening indication |
| 04/07/1981 | US4260442 Method for making an improved variable flute container |
| 03/31/1981 | US4259380 Method for rigidifying textile pieces by coating with plastic |
| 03/31/1981 | US4259143 Laminating machine |
| 03/24/1981 | US4258156 Interfaces coated with a polymerizable acrylic ester of a bisphenol a, diglycidyl ether compound and a tertiary amine methacrylate |
| 03/24/1981 | US4257835 Method of manufacture of material reinforced with a three-dimensional textile structure |
| 03/11/1981 | EP0024817A1 Single facer for corrugated board |
| 03/10/1981 | US4255336 Process for the preparation of O-substituted derivatives of (+)-cyanidan-3-01 |
| 03/10/1981 | US4255217 Method of forming an embossed decorative surface covering |
| 03/10/1981 | CA1097019A1 Method of preparing a sheet-formed product |
| 03/03/1981 | US4254186 Process for preparing epoxy laminates for additive plating |
| 02/25/1981 | EP0024203A1 Method of making a three-dimensional laminate |
| 02/25/1981 | EP0024137A1 Single facer for corrugated board |
| 02/24/1981 | US4252598 Apparatus for bonding a transparent cover sheet to a photograph |
| 02/24/1981 | US4252596 Method and arrangement for the production of thick layers of contact adhesive |
| 02/24/1981 | US4252413 Method of and apparatus for shielding inert-zone electron irradiation of moving web materials |
| 02/10/1981 | US4249976 Thermoplastic adhesive, thermosetting laminae, curing, compression, post curing |
| 01/28/1981 | EP0023194A1 A process for manufacturing coating panels, and panels obtained with such process |
| 01/28/1981 | EP0016835A4 Hot melt adhesive for elastic banding and methods for utilizing the same. |
| 01/27/1981 | US4247588 Improved thermoplastic coated paperboard web |
| 01/27/1981 | US4247513 Hot pressing cured foam rubber sheet with uncured rubber sheet |
| 01/27/1981 | US4247353 Printing, gelation, lamination |
| 01/21/1981 | EP0022581A1 Thermal-insulation body |
| 01/14/1981 | EP0022168A1 Method of making laminated products from hard foam and fibre reinforced resins |
| 01/13/1981 | US4244999 Method of manufacturing a cut textile piece possessing variable stiffness over its surface |
| 01/13/1981 | US4244990 Preimpregnation with urea resin |
| 01/07/1981 | EP0021672A1 Oriented polypropylene film substrate and method of manufacture |
| 01/06/1981 | US4243463 Method of producing cross laminates |
| 01/06/1981 | US4243458 Method of making prefabricated laminating packet with tab |
| 01/06/1981 | US4243456 Self-supporting, compression molding, cutting |
| 01/06/1981 | CA1092762A1 Continuous casting of stringers for sliding clasp fasteners |
| 12/30/1980 | US4242397 Porous substrate with layer of frothed, crushed, cured, foamed thermoplastic vinyl polymer; floors, walls |
| 12/30/1980 | US4242161 Method and a machine for producing cellular latticework |
| 12/23/1980 | US4240993 Multi-layer film containing a layer of crosslinked ethylene/vinyl alcohol copolymer |
| 12/16/1980 | US4239571 Compression of an open-cell foam material impregnated with a thermosetting resin |
| 12/16/1980 | CA1091848A1 Packaging materials having excellent gas permeation resistance and process for preparation thereof |
| 12/10/1980 | EP0020295A1 Process for the continuous production of textile materials by wet bonding and the foamed compositions utilised in carrying out this process |
| 12/10/1980 | EP0020001A1 Registered embossed laminates and method for producing same |
| 12/10/1980 | EP0019754A1 Process for bonding a sheetlike thermoplastics product to a non-woven fleece of polyester fibre |
| 12/09/1980 | CA1090969A1 Circular extrusion method and apparatus involving rotation around the die axis |
| 11/27/1980 | WO1980002531A1 Two-tone registered embossed laminates |
| 11/26/1980 | EP0019221A2 Sheetlike product with wood grain pattern and process for its manufacture |
| 11/18/1980 | US4234533 Method of bonding spaced sheets by molding resin therebetween |