Dimensionally stable plastics sections
CA 1323743 C · Owner: Purstinger, Franz · Inventors: Dorninger, Frank; Purstinger, Franz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dimensionally stable plastics section for, example a window section, formed from a plastics extrudate and being provided thereon with an elastically deformable layer, for example a sealing or damping device or a protective strip, is manufactured by extruding the section, calibrating it and cooling, it to ensure its dimensional stability heating part, of the surface of the section to which the deform-, able layer is to be applied extruding the deformable, layer onto the heated part of the surface of the section so that the layer is bonded thereto and using a take-up device to grip the finished section to remove it.
Read the whole patent
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 November 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 2010.
- 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.