Refrigerant hose

Details Refrigerant hose Refrigerant hose

1998-09-10

1999-09-28

Brinson, Patrick

Pipes and tubular conduits

Flexible

Distinct layers

138140, 138141, 138126, 428 368, 428 3691, F16L 1108

Patent

active

059571640

ABSTRACT:
This device is a hose for air conditioning purposes that is a barrier hose. The hose comprises an innermost tube of a thermoplastic vulcanizate. The innermost tube of thermoplastic vulcanizate is coextruded with a flexible polyamide barrier material as a second tube. A backing of thermoset rubber is extruded or calendared over the polyamide barrier tube. A reinforcement layer follows which is then covered with an EPDM outer cover.

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