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Expired Canadian patentCanada

System for the assembly of a metal joining piece and a high pressure composite material tube - notably applications for equipment used in the oil industry

CA 1314244 C · Owner: Lefevre, Anne · Inventors: Montaron, Bernard; Lefevre, Anne; Mioque, Jean Yves

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Device to permanently link a metal joining piece and a composite material tube, to a tube subjected to static pressure up to 150 MPa. The assembly consists of a metal part constituting a sealing (83 and joining (7) piece with a collar (2), onto which the composite material (1) is attached. A tubular anti-abrasion and anti-corrosion (6) sleeve, flush-mounted in the metal joining piece and protected by a ring (9) at its end ensures total isolation of the composite/metal joint from corrosive fluids which may be flowing through the tube. In particular the application, of the device to oil industry sensors.

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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 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 9, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 23, 1987
GrantedMarch 9, 1993
Term endedMarch 9, 2010
Patent numberCA 1314244 C
Classification (IPC)F16L47/24 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedOct 23, 1987Patent grantedMarch 9, 1993Term endedMarch 9, 2010

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