Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Patent
1985-12-04
1987-07-07
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer or spacer insulating structure
429234, 429238, H01M 476
Patent
active
046787305
ABSTRACT:
A process and apparatus is provided for filling tubular plate positive electrodes for use in lead-acid secondary cells with lead oxide particulate material in a highly fluid slurry form wherein tubular plate positive electrode assemblies comprising a plurality of substantially lead spines aligned on a conductive bar, each spine enveloped by a porous tubular sheath, are footed prior to being filled with lead oxide particulate material in a highly fluid slurry form. The foot according to the present invention comprises a plurality of aligned projections extending from a base portion and slurry access ports penetrating the foot. Each projection engages a spine within its spine recess and is itself engaged within a tubular sheath, and each projection is provided with at least one slurry access port. Lead oxide particulate material in a highly fluid slurry form is introduced into the annular space between each spine and its corresponding tubular sheath through the slurry access ports penetrating the foot.
REFERENCES:
patent: 2373281 (1945-04-01), White
patent: 3014975 (1961-12-01), Gumprecht et al.
patent: 4303746 (1981-12-01), Gulliksen
patent: 4359509 (1982-11-01), Guimond et al.
patent: 4366214 (1982-12-01), Lindholm
KW Battery Company
Skapars Anthony
Speckman Ann W.
Speckman Thomas W.
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