Profiled plastic band
CA 1281663 C · Owner: Ametex Ag · Inventors: Keldany, Rachid
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The profiled band includes two longitudinal flanges of which one is provided with a groove and a parallel extending rib is allocated to the other one which mentioned parts form a locked seam when the band is wound to a pipe which seam is mechanically held in its operational position. The band is specifically suitable for an in situ production of wound pipes having a helically extending seam.
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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.