Three-layer laminated panel comprising a foam core having facing sheets or layers bonded thereto with adhesive as well as a method for the production of such a panel
CA 1264279 C · Owner: Sorensen Prang, Jorgen · Inventors: Sorensen Prang, Jorgen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A three-layer laminated panel comprising a polyurethane foam sheet having outer sheets bonded thereto with adhesive as well as a method for the production of such a panel. ABSTRACT A three-layer laminated panel comprising a mainly closed-cell structured polyurethane foam sheet of a density of at least 40 kg/m and having two metal sheets, at least one of which being a metal sheet which is glass enamelled on both sides bonded thereto with polychloroprene rubber-based contact adhesive is produced by applying the contact adhesive to two opposite sides of the polyurethane foam sheet drying the, contact adhesive, then placing the two metal sheets both being coated on one side with contact …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 9, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.