Method of rolling slabs for the manufacture of beam blanks and a roll to be used therefor
CA 1186536 A · Owner: Kawasaki Steel Corporation · Inventors: Ehiro, Takashi; Tanaka, Teruaki; Okumura, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of rolling raw materials inclusive of slabs for the manufacture of beam blanks, and a roll to be used therefor are disclosed. This, method includes the steps of (a) subjecting a raw material whose section con-, sists of a web portion and a flange portion(s) having a width wider than the thickness of the web portion, to such a partial rolling that the web portion is partially rolled at regions inclusive of at least joints of the flange portion(s) except the remaining central region among a plurality of regions divided in the widthwise direction of the web portion; and (b) subjecting only the remaining central region to a rolling. In the practice of this method there is used a, roll …
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 7, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2002.
- 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.