Method of producing shaped rolled sections and a production line for carrying same into effect
CA 1097956 A · Owner: Donetsky Politekhnichesky Institut · Inventors: Lyashenko, Jury P.; Moiseenkov, Valery V.; Klimenko, Valentin M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Proposed herein is a method of producing shaped rolled sections, residing in that the blank is subjected to plastic working by being rolled and cold formed in rolls with the, former put in between the blank and the rolls; the former being made as a rod-like structure arranged lengthwise the axis along which plastic working occurs whereas the vacant, end thereof is brought outside the zone of plastic working. A production line for carrying the method into effect is also the subject of the present invention.
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 March 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 1998.
- 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.