| Patents for B32B 3 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form (43,975) |
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| 01/27/1981 | US4247583 Insulating structure with polygonal cells |
| 12/30/1980 | US4242399 Thermoplastic resin bonding agent |
| 12/30/1980 | US4242172 Method of press-forming corrugated paperboard into curved board and apparatus for same |
| 12/30/1980 | US4242161 Method and a machine for producing cellular latticework |
| 12/23/1980 | CA1092012A1 Structural support for a refrigerator |
| 12/16/1980 | US4239824 Landscape blanket |
| 12/16/1980 | CA1091724A1 Automotive ceiling panel and process for manufacturing same |
| 12/10/1980 | EP0019748A1 Method of producing a fibre-reinforced resin foam and fibre-reinforced resin foam |
| 11/25/1980 | US4235398 Thermal insulation for aircraft fuselage |
| 11/25/1980 | CA1090244A1 Method of producing fire resistant wood products and product thereof |
| 11/18/1980 | US4234633 Reinforced stud supports in fiberglass parts |
| 11/14/1980 | WO1980002398A1 Composite layered film |
| 11/04/1980 | US4232074 Reinforced paper product and method for the manufacturing thereof |
| 11/04/1980 | US4232069 Impact resistant composite structure |
| 11/04/1980 | US4231832 Process of manufacturing laminated web |
| 11/04/1980 | CA1088881A1 Laminated tube for collapsible containers and method of making same |
| 10/30/1980 | WO1980002252A1 Impact resistant composite structure |
| 10/28/1980 | US4230521 Foam impregnating apparatus |
| 10/28/1980 | US4230049 Composite structural system and method and applications to pallets and platforms |
| 10/14/1980 | US4228209 Wire reinforced corrugated board and method and apparatus for making same |
| 10/14/1980 | US4227356 Composite foam roof insulation |
| 10/14/1980 | CA1087644A1 Elastomeric cushioning devices for products and objects |
| 10/07/1980 | US4226063 Hermetic seals in multiple pane windows |
| 10/01/1980 | EP0016018A1 Forming mould or article |
| 09/16/1980 | US4223053 Truss core panels |
| 09/02/1980 | CA1084786A1 Method and apparatus for manufacturing an even laminated product by extrusion |
| 08/26/1980 | US4219556 Substituted-8-phenylamino ergolines |
| 08/21/1980 | WO1980001676A1 Composite structural system and method and applications to pallets and platforms |
| 08/19/1980 | US4218496 Natural stone panel and method of making same |
| 08/07/1980 | WO1980001548A1 Plastic solar panel structure and manufacturing method and apparatus |
| 08/05/1980 | US4216046 Manufacture of articles of polyvinyl chloride foil with sealed-in reinforcement material |
| 07/29/1980 | CA1082411A1 Method for making blocks and plates from pieces of marble and other natural stones |
| 07/23/1980 | EP0013418A1 Identification card and method of manufacturing the same |
| 07/22/1980 | CA1082088A1 Reinforced corrugated paper board and method of producing the same |
| 07/09/1980 | EP0013021A1 Identity card |
| 07/09/1980 | EP0012906A1 Highly inflammable laminates, process for their production and their use |
| 07/08/1980 | CA1080925A1 Helical rib reinforced laminate |
| 07/01/1980 | CA1080602A1 Container with improved heat shrunk cellular sleeve |
| 06/17/1980 | US4208457 Biaxial orientation |
| 06/17/1980 | CA1079620A2 Container with improved heat shrunk cellular sleeve |
| 06/17/1980 | CA1079560A1 Method and a machine for producing cellular latticework |
| 06/17/1980 | CA1079468A1 Production of composite articles |
| 06/10/1980 | US4207366 Structured art surface |
| 06/10/1980 | CA1079172A2 Mastic composition and composite structural panels formed therefrom |
| 05/28/1980 | EP0011436A1 A resinous material suitable for the manufacture of laminated structures and a method of manufacturing a reticulated structure of substantially uniform thickness |
| 05/27/1980 | US4205107 Endless composite sheet material |
| 05/27/1980 | CA1078296A1 Apparatus for and method of forming honeycomb material |
| 05/20/1980 | US4204016 Reinforced paper products |
| 05/20/1980 | US4203790 Method of forming wire reinforced corrugated board |
| 05/20/1980 | US4203195 Method of production of vibration absorbing metallic material |
| 05/15/1980 | WO1980000938A1 Filled resin coated tape |
| 05/15/1980 | WO1980000936A1 A process for producing plastic foils with increased surface friction |
| 05/13/1980 | US4202716 Wall covering and method of making same |
| 04/22/1980 | US4198839 Method for making lightweight composite article |
| 04/22/1980 | CA1076014A1 Heat and sound insulator of curved corrugated paperboard and method of shaping same |
| 04/15/1980 | US4198550 Peripherally reinforced laminated loudspeaker diaphragm |
| 04/15/1980 | US4198454 Lightweight composite panel |
| 04/15/1980 | CA1075578A1 Reinforced plastics materials |
| 04/08/1980 | US4197342 Trim pads for vehicle seats |
| 04/08/1980 | US4197341 For use in aircraft, construction materials and vehicles |
| 04/08/1980 | CA1075142A1 Fabric construction useful as building bases in forming compound-curved structures |
| 04/02/1980 | EP0009253A1 Retro-reflecting sheet material and method of manufacture |
| 04/02/1980 | EP0009064A1 Method of manufacturing honeycomb material with integral heat radiation shields |
| 04/01/1980 | US4196244 Wall covering and method of making same |
| 04/01/1980 | US4196242 Flame retardant plywood panel |
| 03/25/1980 | CA1074087A1 Apparatus for producing insulating panels |
| 03/19/1980 | EP0008960A2 A foamed resin structural material and process for manufacturing the same |
| 03/18/1980 | US4193829 Process for the manufacture of low density bis-maleimide-carbon microballoon composites |
| 03/11/1980 | US4192494 Cutter mat and method of making same |
| 03/04/1980 | US4191606 Method for securing composition board panels together |
| 03/04/1980 | US4191405 Marker manifold |
| 02/26/1980 | US4190478 Process and apparatus for production of faced or laminated sheets |
| 02/26/1980 | CA1072605A1 Auto ceiling panel and its manufacturing process |
| 02/20/1980 | EP0007938A1 Flexible coupling. |
| 02/12/1980 | US4188428 Board element |
| 02/12/1980 | US4188425 Double-walled shaped plastic articles |
| 02/12/1980 | US4188253 Machine for the fabrication of plasticboard |
| 02/05/1980 | CA1071087A1 Porous laminated sheet |
| 01/29/1980 | US4185472 Fiber reinforced composite shaft with metallic connector sleeves mounted by radial pin interlock |
| 01/22/1980 | US4184904 Method for producing sheet material |
| 01/22/1980 | US4184589 Dimensionally stable synthetic conveyor belt |
| 01/01/1980 | US4181548 Heat-softening and rolling thermoplastic resin |
| 01/01/1980 | CA1069033A Water barrier panel and method |
| 12/27/1979 | WO1979001159A1 Forming mould or article |
| 12/25/1979 | US4180611 Smooth-surfaced nonwoven fabric |
| 12/25/1979 | CA1068527A Paving slab |
| 12/18/1979 | CA1068204A1 Wire reinforced corrugated paper products and method of manufacture |
| 12/11/1979 | US4177936 Variable flute container |
| 12/04/1979 | US4177312 Matting article |
| 12/04/1979 | CA1067415A1 Sound absorbing panel |
| 11/13/1979 | US4173969 Light-permeable thermal insulation apparatus |
| 11/06/1979 | US4173046 Absorptive patient underpad |
| 10/30/1979 | US4172916 Corrugated boxboard; by applying core material with ferrous metal particles; stress resistance |
| 10/23/1979 | US4172169 Floor or wall coverings |
| 10/23/1979 | US4172168 Lay-flat flooring slab |
| 10/09/1979 | US4170674 Composite board structure using a corrugated fiberboard and a method of and an apparatus for producing the composite board structure |
| 10/04/1979 | WO1979000725A1 Cast composite armour |
| 09/25/1979 | US4169002 Method for forming air inflated cushioning material |
| 09/11/1979 | US4167598 Heat and sound insulating panel |
| 09/05/1979 | EP0003874A2 Laminated web and process of manufacturing |