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Expired Canadian patentCanada

Device for filling a shirred tubular casing

CA 1165621 A · Owner: Hoechst Aktiengesellschaft · Inventors: Becker, Reinhold

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

Apparatus is disclosed which is suitable for deshirring and smoothing a shirred tubular casing as the casing is being stuffed. The tubular casing has an interior surface of predetermined internal diameter when unshirred. The apparatus includes a hollow body of generally annular configuration having a circumferential wall of generally circular cross-section which defines a closed external surface having a diameter which increases from a first end to a maximum at a second end of the hollow body. The hollow body has a central opening for receiving a stuffing tube and an external surface of the stuffing tube is releasably engaged to mount the hollow body on the stuffing tube. The hollow body is …

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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 April 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 28, 1981
GrantedApril 17, 1984
Term endedApril 17, 2001
Patent numberCA 1165621 A
Classification (IPC)A22C11/02 +1 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedJuly 28, 1981Patent grantedApril 17, 1984Term endedApril 17, 2001

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