Low permeability elastic sealing ring

Details Low permeability elastic sealing ring Low permeability elastic sealing ring

2005-02-25

2008-12-16

Engle, Patricia (Department: 3673)

Pipe joints or couplings

Nonmetal to metal

Internal member

C285S236000, C285S252000, C277S910000, C277S650000

Reexamination Certificate

active

07464968

ABSTRACT:
A laminated low-permeability elastic ring (40) comprising an outer layer (40A) of a low permeability material that possesses impermeability to automotive fuel, and an inner core part (40B) of a low temperature-resistant material with excellent low temperature performance in order to maintain high elastic strength at low temperatures for the low permeability material layer.

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patent: 6755422 (2004-06-01), Potter
patent: 2004/0157035 (2004-08-01), Guizzetti et al.
patent: 2003-287180 (2003-10-01), None
Patent Abstracts of Japan; Publication No. 2003-287180; Quick Connector.

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