Tension frame for the releasable clamping of a film
CA 1294749 C · Owner: Mente, Kurt · Inventors: Mente, Kurt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tension Frame for the Releasable Clamping of a Film In the production of shaped plastic elements using deep-drawable thermoplastic film a tension frame is required to clamp the film. The tension frame (32) is formed by lengthwise and transverse frame parts (42, 44), on the outside edges of which is located one angle clamp (52) on each. The angle clamps can be brought by means of closure levers (66) into a releasable clamping setting in which the clamp arms (54) of the, angle clamp press with force against bottom facing profiles of the frame parts.
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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.