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Expired Canadian patentCanada

Apparatus for lap splicing a surface type fastener tape or like strip

CA 1295221 C · Owner: Ykk Corporation · Inventors: Nishiyama, Hissai

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An apparatus for cutting off any defective part of a surface type fastener tape or like strip being fed in a predetermined direction and for splicing the thus created two parts of the strip into a continuous length by forming a fused lap joint of their ends. The strip is fed first through a movable gripping jaw assembly and then through a fixed gripping jaw assembly. Disposed between the two gripping jaw assemblies two retractable pairs of, cutters cut off any defective part of the strip while the latter is gripped by the jaw assemblies, leaving the end portions of the strip protruding from the jaw assemblies toward each other. The relative arrangement of the jaw assemblies is such that the …

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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 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 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.
FiledOctober 30, 1986
GrantedFebruary 4, 1992
Term endedFebruary 4, 2009
Patent numberCA 1295221 C
Classification (IPC)B29C65/74 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 30, 1986Patent grantedFeb 4, 1992Term endedFeb 4, 2009

Sources & verification

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