Method of rolling steel rods and wires with grooveless rolls and grooveless rolling entry guide
CA 1192425 A · Owner: Kawasaki Steel Corporation · Inventors: Takeda, Ryo; Yanazawa, Tadaaki; Tanaka, Teruaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of rolling steel rods or wires by grooveless rolls for reducing sectional areas of the rods or wires achieves a stable rolling operation with high efficiency by limiting to less than a predetermined value a ratio of a long side to a short side of a cross-section of a rectangular cross-sectional blank material which has passed through each pair of grooveless rolls or limiting a ratio of a diameter of each pair of grooveless rolls to a gap therebetween. A method of rolling steel rods or wires by grooveless rolls also achieves high elongation efficiency to make stable the rolling operation by limiting a ratio of a diameter of each pair of grooveless rolls to a gap therebetween. A …
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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 August 27, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.