Process and apparatus for tensioning an endless thin metal sheet on a wheel, roll or drum
CA 1264116 C · Owner: Harreither, Rupert · Inventors: Harreither, Rupert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The process comprises unrolling a metal band onto the circumference of a drum, pressing the metal band continuously onto the drum until the metal band surrounds the drum and the ends of the metal band overlap, clamping the metal band to the drum with a plurality of clamping members or a clamping belt heating the, metal band and drum, and in this condition cutting the metal band to length for welding, and working, welding and finishing the ends and edge of the metal band to form a smooth surface on the circumference of the drum. The apparatus for performing the process of the invention comprises a pivotal support for mounting the drum rotatably on a horizontal axis a groove in the, …
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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 January 2, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2007.
- 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.