Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2004-07-01
2008-03-18
Alejandro, Raymond (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S006000
Reexamination Certificate
active
07344794
ABSTRACT:
A seal member is formed integrally on surfaces of a metal separator of a fuel cell. The seal members include an outer seal provided near the outer edge of the separator, and an inner seal spaced inwardly from the outer seal by a predetermined distance. When a load is applied to the outer seal and the inner seal in a stacking direction, the outer seal and the inner seal are deformed substantially equally in the stacking direction to the same extent.
REFERENCES:
patent: 6692860 (2004-02-01), Inoue et al.
patent: 1152477 (2001-11-01), None
patent: 2002-25587 (2002-01-01), None
Nakagawa Takaki
Nishiyama Tadashi
Sugita Narutoshi
Tanaka Hiroyuki
Alejandro Raymond
Lahive & Cockfield LLP
Laurentano, Esq. Anthony A.
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