Multiple rolling mill
CA 1301492 C · Owner: Kimura, Tomoaki · Inventors: Kajiwara, Toshiyuki; Kimura, Tomoaki; Kobayashi, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multiple rolling mill comprising a pair of upper and lower work rolls, a pair of upper and lower back-up rolls, an intermediate roll disposed between at least one of these upper and lower work rolls and the back-up roll, an intermediate roller for supporting the work roll in a pass direction of a rolled material and a, support roller for supporting the intermediate roller wherein the support roller is composed of a plurality of upper segment rollers and a plurality of lower segment rollers, which are arranged in a staggered manner along different axes which are spaced from each other in the vertical direction. The use of the support roller having the described construction enables an …
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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.