Method of casting lead alloy automotive battery parts

Details Method of casting lead alloy automotive battery parts Method of casting lead alloy automotive battery parts

1976-02-19

1978-04-25

Lazarus, Richard B.

Metal founding

Process

Shaping liquid metal against a forming surface

249114, B22C 300

Patent

active

040857921

ABSTRACT:
A novel method of producing storage battery lead alloy parts is provided comprising the steps of (a) providing a grid mold having a mold substrate consisting essentially of aluminum, (b) hard surface anodizing at least a portion of said mold substrate to produce molding surface thereon, (c) introducing molten lead alloy into such mold against said molding surface and (d) allowing said lead alloy to cool to form said storage battery grid. Other steps which may be included as a novel method of the present invention including texturing the mold substrate prior to the hard surface anodizing step to form a discontinuous surface thereon, which texturing step may be accomplished by peening said substrate with shot, blasting said substrate with glass beads, or blasting said substrate with sand.

REFERENCES:
patent: 2759231 (1956-08-01), Parlanti
patent: 3879009 (1975-04-01), Mao
The Surface Treatment and Finishing of Aluminum and its Alloys; Wernick, S and Pinner, R, 1964, pp. 56-57.

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