Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Patent
1997-04-11
1998-08-04
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer or spacer insulating structure
429249, 264286, H01M 218, B29D 1600
Patent
active
057891036
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. The ribs are located across the width of the backweb and extend in a direction substantially parallel to the longitudinal edges of the backweb. Each major rib overlies at least one submini-rib and 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 at least one 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.
REFERENCES:
patent: 3917772 (1975-11-01), Hollenbeck
patent: 4369236 (1983-01-01), O'Rell et al.
patent: 4403024 (1983-09-01), Gordon et al.
patent: 5679479 (1997-10-01), Young et al.
Alexander Francis E.
Weerts Daniel E.
Young James
AMTEK Research International LLC
Howard Robert E.
Skapars Anthony
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