Hydraulic coupling

Details Hydraulic coupling Hydraulic coupling

1998-03-09

1999-12-28

Nicholson, Eric K

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285351, 285348, 285111, 277549, 277564, 277566, F16J 1518, F16L 3700

Patent

active

060071060

ABSTRACT:
A hydraulic coupling employing a polymeric elastomeric sealing member to provide an excellent seal under pressure. The polymeric elastomeric seal additionally has high resistance to acids, alkalis, hydrocarbons, ketones, ethers, esters, alcohols and salt solutions. The sealing member has the elasticity to return to its normal physical condition after pressure is removed.

REFERENCES:
patent: 3279806 (1966-10-01), Bialkowski
patent: 3840257 (1974-10-01), Moore
patent: 3890068 (1975-06-01), Davidson
patent: 4111441 (1978-09-01), Sick et al.
patent: 4371177 (1983-02-01), Bahr et al.
patent: 4530675 (1985-07-01), Mazziotti
patent: 5072755 (1991-12-01), Wilcox
patent: 5205568 (1993-04-01), Stoll et al.

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