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Expired Canadian patentCanada

Casing sensing means for stuffing apparatus

CA 1079570 A · Owner: Union Carbide Corporation · Inventors: Raudys, Vytas A.; Mika, Anton L.

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

In an apparatus for stuffing flowable product into a shirred tubing disposed on a stuffing horn to produce stuffed tubular articles of predesired length on a continuous basis sensing-, means are employed for detecting movement of the trailing end portion of the shirred tubing on the stuffing horn which activates control means for interrupting the stuffing operation of the apparatus so as to terminate the flow of product from the stuffing horn before the shirred tubing is completely expended. S P E C I F I C A T I O N 1.

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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 17, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 17, 1997.
  • 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 17, 1980
Term endedJune 17, 1997
Patent numberCA 1079570 A
Classification (IPC)A22C11/02

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJune 17, 1980Term endedJune 17, 1997

Sources & verification

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