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