Production of multiple gauge strip by draw-shaving
CA 1057235 A · Owner: Olin Corporation · Inventors: Smith, Warren F.; Winter, Joseph; Shapiro, Eugene
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of producing multiple gauge metal strip wherein surface reduction is confined to an area comprising from about 5 to about 50% of total surface area and, volume reduction ranges from about 10 to about 60% of initial strip cross section area, which comprises measuring the maximum stock removal in relation to the yield strength of said strip, adjusting a shaving apparatus to prevent it from exceeding said maximum and passing the strip through said apparatus. The method of this invention may be practiced as a single pass procedure.
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 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 1996.
- 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.