Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Patent
1997-10-20
2000-10-17
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer or spacer insulating structure
429249, H01M 218
Patent
active
061328995
ABSTRACT:
A battery separator for use in flooded cell type lead acid batteries comprising a backweb of a porous, acid resistant, embossable material with a plurality of major ribs and submini-ribs extending from at least one planar surface of the backweb and a lesser plurality of stop-ribs extending from the other planar surface. Each major rib overlies at least one submini-rib and a number less than all of the major ribs overlies the stop-ribs. Each major rib is an embossed corrugated structure comprised of alternating ridges and furrows. The ridges and furrows are in non-parallel alignment to the longitudinal dimension of the separator, and preferably perpendicular thereto. The major ribs are formed on a battery separator backweb having a plurality of submini-ribs extending from one planar surface thereof and a lesser plurality of stop-ribs extending from the other planar surface thereof by passing the backweb through the nip formed by a pair of opposed embossing rollers and embossing the backweb in the area of at least one submini-rib and in the area of some of the stop-ribs.
REFERENCES:
patent: 4369236 (1983-01-01), O'Rell et al.
patent: 4403024 (1983-09-01), Gordon et al.
patent: 4927722 (1990-05-01), Bohnstedt et al.
patent: 5679479 (1997-10-01), Young et al.
patent: 5789103 (1998-08-01), Young et al.
patent: 5894055 (1999-04-01), Young et al.
Alexander Francis E.
Weerts Daniel E.
Young James
AMTEK Research International LLC
Dove Tracy
Howard Robert E.
Nuzzolillo Maria
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