Pipes and tubular conduits – Flexible – Distinct layers
Patent
1996-07-08
1999-08-03
Brinson, Patrick
Pipes and tubular conduits
Flexible
Distinct layers
138141, 138140, 138DIG1, F16L 1104
Patent
active
059312017
ABSTRACT:
A multi-layer tubing assembly for use in fuel-line applications. An extruded innermost semi-conductive layer of a fluoroplastic has a surface resistivity in the range of 10.sup.1 to 10.sup.6 ohm/sq. An inner permeation-resistant layer of a fluoroplastic is coextruded around the innermost layer at temperatures below 600 degrees Fahrenheit. An adhesive layer of polymer blend coextruded around the inner layer has a multiphase morphology wherein one phase is miscible with the fluoroplastic and another phase is miscible with a rubber-like multiphase polymer. A cover layer of the rubber-like multiphase polymer is coextruded around the adhesive layer.
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Brinson Patrick
Bundy Corporation
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