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LOW TEMPERATURE, HIGH PRESSURE RUBBER HOSE

  • US 20110168272A1
  • Filed: 11/19/2009
  • Published: 07/14/2011
  • Est. Priority Date: 11/21/2008
  • Status: Active Grant
First Claim
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1. A hose for use at a service temperature range of between about −

  • 57°

    C. (−

    70°

    F.) and about +100°

    C. (+212°

    F.) and a service pressure range of between about 28.0 MPa (4000 psi) and up to about 56.0 MPa (8000 psi) comprising;

    an inner tubular core comprising a layer of a first rubber compound having an elastic modulus of not greater than about 8.4 MPa (1200 psi);

    at least a first pair of spiral wound reinforcement layers surrounding the core comprising a first reinforcement layer and a second reinforcement layer surrounding the first reinforcement layer; and

    an outer jacket surrounding the second reinforcement layer comprising a layer of a second rubber compound having a durometer of not greater than about 75 Shore A.

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