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Expired Canadian patentCanada

Noise reducing textile traverse rod

CA 1057266 A · Owner: Celanese Corporation · Inventors: Gibson, Baylor D.; Mims, Herman D.; Willes, John A.

CIPO record

Overview

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

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Abstract From the Canadian patent

A textile traverse rod guide device particularly suited for the guiding of winding of yarns onto packages is described wherein the traverse guide substantially reduces the noise level of winding machine when in operation. The traverse guide is capable of reducing the noise level on the order of 5 to 8 decibels compared to previously used devices while at the same time providing better package build. The noted traverse guide is fabricated as a single piece from engineering plastics and operates utilizing torquetension principles rather than mechanical guidance and swivel means.

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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 June 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 26, 1979
Term endedJune 26, 1996
Patent numberCA 1057266 A
Classification (IPC)B65H54/28 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJune 26, 1979Term endedJune 26, 1996

Sources & verification

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