Lead acid battery grid casting system installation and technique

Details Lead acid battery grid casting system installation and technique Lead acid battery grid casting system installation and technique

1977-02-22

1978-05-23

Husar, Francis S.

Metal founding

Process

Shaping liquid metal against a forming surface

164337, 164 70, 164DIG1, 164322, 295276, B22D 3100, B22D 2504, B22D 3500, B22D 4700

Patent

active

040905500

ABSTRACT:
A lead melting furnace or pot, large enough to provide molten metal for 6-18 grid casting machines, is isolated from the casting machines in a separate, remote, room or chamber. The automatically fed, electrically heated, covered and insulated furnace is positioned at a level above the inlet to the casting machines, so that the molten metal is gravity fed from one or more bottom discharge outlets whereby conventional pumps are eliminated and agitation of the molten metal in the furnace minimized. An impedance heated feed line system connects the furnace and casting machines and elevates the molten metal from the relatively low 700.degree.-800.degree. F. temperatures achieved in the furnace to the required 850.degree.-1100.degree. F. casting temperature. A specially designed exhaust hood covers each group (preferably 3) of casting machines to exhaust contaminated gases and simultaneously provide make-up air to minimize the effect on the casting room atmosphere. A scrap conveyor continuously collects excess lead trimmed from the finished grids and returns the reusable metal immediately to the furnace.

REFERENCES:
patent: 2763040 (1956-09-01), Korb
patent: 3192293 (1965-06-01), Van Riper
patent: 3371186 (1968-02-01), Trabilcy
patent: 3815659 (1974-06-01), Pavlo et al.
patent: 3900064 (1975-08-01), Chandley et al.

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