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Expired Canadian patentCanada

Method and apparatus for manufacturing compact conductors

CA 1318220 C · Owner: Sumitomo Wiring System, Ltd. · Inventors: Tsuji, Kazunori; Saka, Kazuhito; Iura, Kazuo

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Abstract From the Canadian patent

METHOD AND APPARATUS FOR, MANUFACTURING COMPACT CONDUCTORS ABSTRACT OF THE DISCLOSURE:, A double-twist type compact conductor manufacturing apparatus is comprised of a supply device (2) for supplying strand conductors (12), a conductor twist machine (1) a, converging compacting die (4) for converging and compacting a plurality of strand conductors (12), and a capstan (7) having a groove (9) adapted to form a converged compact conductor (8), as well as to send out the same. The converging compacting die (4) and the capstan (7) are disposed between the supply device (2) and the conductor twist machine (1) in that order. This conductor twist machine (1) is a double twist machine (1) for …

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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 May 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 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.
FiledJuly 11, 1989
GrantedMay 25, 1993
Term endedMay 25, 2010
Patent numberCA 1318220 C
Classification (IPC)D01H1/04 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 11, 1989Patent grantedMay 25, 1993Term endedMay 25, 2010

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.