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Expired Canadian patentCanada

Method and apparatus for assembling tire with disk wheel

CA 1106941 A · Owner: Maruyama Seiki Kabushiki Kaisha · Inventors: Haraguchi, Yoshifumi; Aramaki, Seiichi; Fukuyama, Hiroshi

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Abstract From the Canadian patent

A method and apparatus for assembling a tire with a disc wheel under the optimum condition in which inner, diameter variation of the disc wheel radial force variation, of the tire proper radial force variation of a wheel assembly body and existing assembled condition are displayed on separate channels of a display device, respectively. The radial force variation of the tire proper thus displayed is phase shifted by an angle at which the radial force variation of the wheel assembly body becomes minimum. The tire is then displaced with respect to the disc wheel by the above angle so as to obtain the optimum assembled condition.

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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 August 11, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 30, 1979
GrantedAugust 11, 1981
Term endedAugust 11, 1998
Patent numberCA 1106941 A
Classification (IPC)G01M1/36 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedMarch 30, 1979Patent grantedAug 11, 1981Term endedAug 11, 1998

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