Apparatus and method for blow molding motive power battery cases

Details Apparatus and method for blow molding motive power battery cases Apparatus and method for blow molding motive power battery cases

1980-02-06

1981-12-08

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

264526, 264541, H01M 202

Patent

active

043048269

ABSTRACT:
A motive power battery casing is blow molded in an oblong configuration of rectangular cross-section. The die is notched so as to create longitudinal ribs of relatively greater thickness of the molding material in a generally cylindrical parison. The casing mold is vented in the bottom at its corners to assure full development of the casing corners. The casing is formed with relatively thin side walls and a relatively thicker collar of the molding material near its top in order to provide sufficient strength for heat sealing at the top.

REFERENCES:
patent: 1513037 (1924-10-01), Douglas
patent: 1538031 (1925-05-01), Dunzweiler
patent: 2750625 (1956-06-01), Colombo
patent: 3388007 (1968-06-01), Fiandt
patent: 3754851 (1973-08-01), Reilly et al.
patent: 3856175 (1974-12-01), Dunlop
patent: 4218416 (1980-08-01), Gokcen

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