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Tube coupling

  • US 6,969,094 B2
  • Filed: 12/18/2003
  • Issued: 11/29/2005
  • Est. Priority Date: 12/20/2002
  • Status: Expired due to Fees
First Claim
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1. A tube coupling for the detachable coupling of tube line sections in a high-pressure tubing system, comprising:

  • a pair of coupling blocks one of which one has a coupling plug and the other of which has a plug socket for receiving the coupling plug, the coupling blocks including side flanges held together by a clamping screw; and

    a sealing ring arranged at a front face of the coupling plug, the sealing ring being supported by a protective socket enclosing the sealing ring and the coupling plug, the protective socket including portions adjacent to a rear end of the protective socket, the portions defining a circumferential sealing lip provided and engaged between the coupling blocks circumferentially around the coupling plug.

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