Apparatus for forming long plate member
CA 2010075 C · Owner: Enami, Toshiaki · Inventors: Enami, Toshiaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a forming apparatus for shaping a long plate member, which is continuously fed in a flat sectional configuration, into a U-shaped sectional configuration. The forming apparatus comprises an upper die and a lower die defining a forming part in surface which are in contact with each other for pressing the long plate member continuously fed into the forming part, and a drive mechanism for driving the upper die to continuously reciprocate in the vertical direction. The forming part defined between the upper die and the lower die includes an initial forming region which is located on an inlet for the long plate member and having a forming configuration corresponding to a flat …
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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 February 14, 1990 and granted September 24, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 14, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 14, 2012.
- 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.