Bending apparatus
CA 1238563 A · Owner: Hunter Douglas Canada Limited · Inventors: Brugman, Johannes A.H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus or bending a light gauge, profiled metal, panel to a curved shape, including an anvil mounted on a frame and having a part-annular surface an arm mounted for, pivotal movement about the centre of curvature of the partannular surface, a roller carried by said arm at a position spaced from said centre and rotatable about its own axis so, that it can roll in an arc adjacent said annular surface a, mandrel carried by said arm for movement therewith at a location between said roller and surface said mandrel, comprising a plurality of blocks each having its length parallel to the roller axis, the blocks being juxtaposed in side-by-side relation and each shaped to conform to the profile …
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 June 28, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 2005.
- 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.