Hot pressing apparatus with a pressure plate and at least one resilient lining
CA 2487552 C · Owner: Heimbach Specialties Ag · Inventors: Bachmann, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressing apparatus having a pressure plate (6) for the hot pressing of materials (5) of the following group: laminates wood materials, wood-plastic materials chip and flake boards, wood, paper, film and pulp combinations for floors walls and ceilings, has at least one heated platen (3) and at least one resilient lining (10) is situated between the platen (3) and the pressure plate (6). In order to achieve short cycling time uniform pressing action, high and uniform thermal gradients avoidance of air inclusions and cold spots and long useful life, with low numbers of rejects the following solution is proposed: a) The pressure plate (6) has on the side facing the platen (3) at least one …
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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
- Filed November 12, 2004 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.