Method and apparatus for bending sheet metal elements
CA 1136531 A · Owner: Zeman & Co. Gesellschaft M.B.H. · Inventors: Zeman, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process of bending sheet metal elements having a sectional shape which is continuous in a one direction, longitudinal beads are formed or existing beads are enlarged in the sheet elements as it is bent at least in the region in which the bending results in an upsetting of material i.e. in the, region in which the sheet metal element is subjected to compressive stress.
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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
- Granted November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
- 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.