Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
Patent
1976-04-30
1977-06-14
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Plural concentric or single coiled electrode
141 11, 296235, H01M 610
Patent
active
040298566
ABSTRACT:
A sintered porous plaque battery plate comprises an elongated substrate and a sintered porous plaque on both major surfaces thereof. One longitudinal edge of the substrate has a region substantially free of porous plaque for welding a current collector thereto and the other opposed longitudinal edge of the substrate has a transversely tapered porous plaque region on both major surfaces of the plate adjacent and extending longitudinally of the opposed edge for preventing the plaque from chipping along the opposed edge. The method for forming such plates includes the steps of (1) coating a substrate with double and single plate width strips of powdered metal slurry, (2) forming a V-shaped groove longitudinally of each of said double width strips to define a tapered porous plaque region along one edge of each plate, and (3) severing the substrate into strips of plate each with a tapered edge region after the slurry has been sintered into a porous plate.
REFERENCES:
patent: 3695935 (1972-10-01), Cromer
patent: 3790408 (1974-02-01), Cromer
Cromer George Phillip
Hazen Harry Harold
Pensabene Saverio
Dearing D. A.
General Electric Company
Neuhauser F. L.
Skapars Anthony
Voss D. J.
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