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Expired Canadian patentCanada

Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus

CA 1296551 C · Owner: Nikaido, Hideyuki · Inventors: Nihei, Mitsuo; Komori, Atsushi; Nikaido, Hideyuki

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Abstract From the Canadian patent

60-261,307, Abstract of the Disclosure A press apparatus for reducing widths of hot slabs comprises a pair of anvils movable toward and away from each other in width directions of the hot slabs width, reduction heads to which the pair of anvils are attached respectively, and eccentric presses for reciprocatively driving the width reduction heads through sliders respectively. The apparatus further comprises width adjusting means incorporated in the eccentric presses respectively, for changing distances between the width reduction heads and the sliders. Each of the anvils has a parallel portion in parallel to a feeding direction of the hot slabs and an inclined portion on an entry side in 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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 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 23, 1986
GrantedMarch 3, 1992
Term endedMarch 3, 2009
Patent numberCA 1296551 C
Classification (IPC)B21B1/02 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 23, 1986Patent grantedMarch 3, 1992Term endedMarch 3, 2009

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