Apparatus for trimming a flanged end of a tubular article
CA 1263300 C · Owner: Watson, Martin J. · Inventors: Ashbolt, Mark T.; Mann, Thomas G. (Deceased); Watson, Martin J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A punch and die assembly for trimming the end end of a can body comprises a reciprocable punch (10), and a split die (15) consisting of two semi-circular segments (14,16) movable between an open position allowing infeed of article (A), and a closed position around the article. During co-operation of the cutting edges (35,61) and (51,62) on the punch (10) and die (15) respectively to trim the can body the, punch is centralised accurately in relation to the die by engagement of a radially outwardly facing surface (521,74) on the die with a radially inwardly facing surface (321,73) on the punch; rough alignment between punch and die having previously been achieved by engagement of further …
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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 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
- 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.