Wire drawing machine
CA 1316866 C · Owner: Yamamoto, Akira · Inventors: Yamamoto, Akira; Yoshida, Kinji; Iura, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The disclosure herein describes a wire drawing machine for simultaneously drawing a plurality of wires; the machine includes a plurality of drawing stages, each stage consisting of a group of dies supported in a holder and of a capstan positioned downstream of the die holder. The dies are longitudinally displaceable in their holder; they may be removed therefrom. The capstan has a smooth surface.
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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.