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Expired Canadian patentCanada

Apparatus and method for automated braiding of square rope and rope product produced thereby

CA 1295862 C · Owner: Smith, Michael Ford · Inventors: Smith, Michael Ford

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An apparatus automatically braids a plurality of rope forming strands onto a center core member in a braiding pattern that causes the resulting rope to have a generally square shaped cross section. The braiding extends are fed to a braiding point on the center core member from a plurality of eight strand feed assemblies which are transported on a mechanism in two distinct but crossing orbits that encircle the center core member. The constituent strands are themselves formed by prebraided or pretwisted substrands or filaments to cause the resulting rope to exhibit pronounced ribs along the corners of the square cross section for a secure hand-to-rope grip.

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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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 15, 1988
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1295862 C
Classification (IPC)D04C1/12

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedNov 15, 1988Patent grantedFeb 18, 1992Term endedFeb 18, 2009

Sources & verification

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