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Canadian application, no grantCanada

Method of processing plastic coated textiles and system for implementing this method

CA 2069812 A1 · Owner: Rummer, Jurgen · Inventors: Rummer, Jurgen

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 is proposed for processing plastic coated textiles, particularly plastic backed textile floor covering and for recovering the textile fibers and plastics contained therein. The method includes the following process steps: - chopping the materials to be processed into small chips approximately 5 x 5 to 10 x 10 mm2 in size;, - mixing the chips with water, thus forming a pumpable substance;, - comminuting the chips in a mill thus forming a, pulp;, - dewatering and drying the pulp; - mechanically separating the fibers from the resulting plastic granules. Also disclosed is a system for implementing the method which is characterized by the following component groups: - a chip making …

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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

  • Filed May 28, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 28, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 28, 1992
GrantedNo grant recorded
Term endedMay 28, 2012
Patent numberCA 2069812 A1
Classification (IPC)B02C23/08 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedMay 28, 1992Term endedMay 28, 2012

Sources & verification

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