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Expired Canadian patentCanada

Aseptic filling unit for packing machines for longlasting products with fluid behavior

CA 1269646 C · Owner: Tetra Dev-Co · Inventors: Ringdahl, Ulf; Mattei, Vittorio

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

For the manufacture of packing containers and the, packing inside said containers of long-lasting products with fluid behaviour, such as liquids semi-liquids, or products containing solid particles the product, delivering and metering devices are an integrant part of the packing machine and condition and influence the structure and the operating way thereof. An asepticfilling unit according to the present invention solves said problems, in that it is a modular element interposed between the packing machine and the product feeding line, and can be isolated from both of them.

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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 May 29, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 23, 1985
GrantedMay 29, 1990
Term endedMay 29, 2007
Patent numberCA 1269646 C
Classification (IPC)B65B3/12 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedDec 23, 1985Patent grantedMay 29, 1990Term endedMay 29, 2007

Sources & verification

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