Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1981-09-03
1985-04-02
Hearn, Brian E.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429140, 429234, 429 50, 141 11, 29 2, 296231, H01M 476, H01M 218, H01M 1044/6/00
Patent
active
045088012
ABSTRACT:
A lead-acid battery construction comprises a casing, electrolyte means received in the casing and positive and negative electrode means mounted in the casing in contact with the electrolyte and being spaced apart by separator means. The positive electrode means includes a shaped grid structure having a top bar, a lug and depending spine portions, and further includes active material contained within tube means held in contact with the spines. An enclosure body is located around portions of the shaped grid structure in a position to selectively prevent flow of current from surfaces of the grid structure not in contact with active material. The enclosure body consists of self-registering plastic grid complement means and is formed with depending parts which are engaged inside distended upper ends of the tube means.
A further inventive aspect resides in a method of engaging grid complement means with shaped grid structure means. The method is characterized by angularly displacing self-registering side portions of the grid complement as they are moved into engagement with one part of the shaped grid structure means. Thereafter, with further engagement of the grid complement means, the self-registering side portions contract and move into contact with another part of the shaped grid structure in registered relationship therewith.
REFERENCES:
patent: 2420456 (1947-05-01), White
patent: 3462305 (1969-08-01), Fahrbach
patent: 3733220 (1973-05-01), Cortese et al.
patent: 3933524 (1976-01-01), Hughel et al.
patent: 4025701 (1977-05-01), Sundberg
patent: 4285121 (1981-08-01), Guimond et al.
patent: 4303746 (1981-12-01), Gulliksen
patent: 4359509 (1982-11-01), Guimond et al.
Guimond Roy A.
Gulliksen John E.
Reed Nanci W.
Hearn Brian E.
Kalafut Stephen J.
Koehler Manufacturing Company
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