Impervious resilient membrane and hydropneumatic accumulator fit

Details Impervious resilient membrane and hydropneumatic accumulator fit Impervious resilient membrane and hydropneumatic accumulator fit

1989-08-29

1991-07-30

Kight, III, John

Boot and shoe making

121134, 121 95, 121 81, 121139, 428 95, 4283044, B32B 302

Patent

active

050361104

ABSTRACT:
An impervious resilient membrane for fitting a hydropneumatic accumulator and consisting of a film having a thickness of 10-200 microns constituted by a graft polymer formed by the reaction of thermoplastic polyurethane with a copolymer of ethylene and vinyl alcohol, this film being arranged in sandwich-like fashion between two layers of thermoplastic polyurethane, the membrane being adapted to be mounted in an automotive vehicle suspension sphere to there define two chambers containing a gas and a liquid, respectively.

REFERENCES:
patent: 4613543 (1986-09-01), Dabi
patent: 4656074 (1987-04-01), Conley et al.

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