Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2007-10-09
2007-10-09
Cantelmo, Gregg (Department: 1745)
Metal working
Method of mechanical manufacture
Electrical device making
C429S006000, C072S324000, C072S379600
Reexamination Certificate
active
10762948
ABSTRACT:
A fuel cell bipolar separator plate of variable length is formed from a sheet having a fixed width. The sheet is passed through a tool a predetermined distance and a pattern of ribs is formed on a central portion of the sheet with the tool to define a segment along the length of the sheet. The ribs define a fuel flow path on a first side of the sheet and an oxidant flow path on an opposed second side of the sheet. The sheet is passed through a tool a predetermined distance and the steps of forming the pattern on the sheet and passing the sheet through the tool are repeated until the sheet possesses a desired length, at which point the sheet is cut to a desired length.
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Toshihiko, “Flat Solid Electrolyte Fuel Cell,” abstract of JP Patent No. 07022038,Patent Abstracts of Japan(1995).
Cantelmo Gregg
GenCell Corporation
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