Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1989-06-09
1991-02-05
Hoag, Willard
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
26427221, 264277, 2642791, B29C 3910
Patent
active
049898370
ABSTRACT:
The present invention concerns a procedure for producing an envelope structure for a storage battery having a housing, a cover, and partitions separating cells therein. The battery in particular comprises one or several cells enclosed within the housing, with each cell containing electrolyte and monopolar plates and/or bipolar plates separated from one another by separator plates, and being coated with positive and/or negative active mass, in addition to the requisite electrical connectors interconnecting the cells and/or plates. The envelope structure of the storage battery is produced by casting with electrically-insulating an electrolyte-impermeable material, using in the casting the cells of the storage battery at an inner mold, and separately-constructed mold structure as an outer mold. Wall thickness of the housing of the storage battery is defined with the aid of a spacer structure remaining inside the cast.
REFERENCES:
patent: 3278679 (1966-10-01), Shannon
patent: 3919371 (1975-11-01), Jaohe
patent: 4171564 (1979-10-01), Action et al.
Jaasko Niilo
Karna Toivo
Kemppi Ahti
Lind Kalevi
Savolainen Esko
Hoag Willard
Neste Oy
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