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Balanced coupling with pressure bleed

  • US 6,145,539 A
  • Filed: 04/12/1999
  • Issued: 11/14/2000
  • Est. Priority Date: 04/12/1999
  • Status: Expired due to Term
First Claim
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1. A coupler half comprising:

  • a flow passageway having a port;

    a sliding sleeve having a port;

    a first elastomeric circumferential seal;

    a second elastomeric circumferential seal;

    a first rectangularly shaped in cross section support seal for supporting and retaining said first elastomeric seal; and

    ,a second t-shaped in cross section support seal for supporting and retaining said second elastomeric seal.

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