Fuel line for fixed-length vehicle installation

Details Fuel line for fixed-length vehicle installation Fuel line for fixed-length vehicle installation

1987-06-19

1991-08-13

Bryant, III, James E.

Pipes and tubular conduits

Flexible

Distinct layers

138125, 138126, 428 367, 428 3691, F16L 914

Patent

active

050388339

ABSTRACT:
A fixed-length fuel line, for automotive vehicles to be powered by an alcohol-containing fuel such as gasohol, has a relatively thick polyamide wall which is internally lined by a polyvinyl alcohol based alcohol-barrier layer protected against the fuel by a water-barrier layer, e.g. of polyamide, the line being constructed so that swelling of the water-barrier layer does not change the length of the line because any swelling stress is taken up by the thicker polyamide wall.

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patent: 4613532 (1986-09-01), Michael et al.

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