Process for manufacturing tubular bodies, particularly for preserved food cans
CA 1136001 A · Owner: Gariglio, Ezio · Inventors: Saurin, Emmanuel; Gariglio, Ezio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for manufacturing a tubular body comprises the steps of rolling up a metal sheet of small thickness, welding the edge portions of the sheet and subjecting the tubular body to radial expansion. The process may be carried out on sheets each corresponding to a separate tubular body. The process can also be continuous.
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 November 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 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.