Mold for casting grid for tubular plates of a lead-acid battery

Details Mold for casting grid for tubular plates of a lead-acid battery Mold for casting grid for tubular plates of a lead-acid battery

1980-08-18

1982-02-16

Baldwin, Robert D.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

29 2, 164DIG1, 249 60, B22C 922, B22D 2504, H01M 473

Patent

active

043159770

ABSTRACT:
In casting tubular-plate grids, a molten lead alloy is poured into a mold along the long side of the grid perpendicular to the grid rods. Temporary connectors joining adjacent grid rods are simultaneously cast. These connecting portions have a thickened cross-section in the middle and a constricted cross-section at their points of junction with the grid rods. In a subsequent operation, the connecting portions are punched out.

REFERENCES:
patent: 870817 (1907-11-01), Custer
patent: 907520 (1908-12-01), McNaughton
patent: 1042092 (1912-10-01), Custer
patent: 1368445 (1921-02-01), Little
patent: 1404682 (1922-01-01), Barker
patent: 1790108 (1931-01-01), Meyer
patent: 2508865 (1950-05-01), Lund
patent: 3981742 (1976-09-01), Yonezu et al.
Witte, E.; Bleiakkumulatoren, Mainz, Germany, 3rd Edition, 1969, pp. 22 and 23.
Ruetschi, P.; "Review of the Lead-Acid Battery Science and Technology", In Journal of Power Sources, vol. 2, 1977-1978, p. 3.

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