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Expired Canadian patentCanada

Method of continuous manufacture of a sheet or element having a uniform consistency, and devices for carrying the method into effect

CA 1050741 A · Owner: Centre Technique De L'Industrie Des Papiers, Cartons Et Celluloses · Inventors: Jacquelin, Guy

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

A method of continuous manufacture of a sheet or element of regular consistency, comprising the uniform depositing at high speed of a liquid, pasty or fibrous-texture product on one or more wide travelling bands, said band being deformed laterally during apart of its travel so as to follow at least, in part, the internal shape of a surface of revolution inside which the product is deposited on the band said method com-, prising the distribution of said products on said band by projecting the product under pressure form one or more nozzles located close to the axis of said surface whereby all points, of the travelling band are supplied in identically the same manner from the source of said …

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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 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 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—
GrantedMarch 20, 1979
Term endedMarch 20, 1996
Patent numberCA 1050741 A
Classification (IPC)B21D1/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 20, 1979Term endedMarch 20, 1996

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