Heat insulating pad material, particularly for use in battery sh

Details Heat insulating pad material, particularly for use in battery sh Heat insulating pad material, particularly for use in battery sh

1995-02-27

1997-05-06

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With heat exchange feature

429163, 429176, 428159, 4283186, H01M 202, H01M 1050, B32B 312

Patent

active

056269820

ABSTRACT:
A heat insulating pad material, particularly for use in a battery shield, is made of a molded foam with a rough surface produced by in-mold expansion molding of expandable resin beads, a facing of a high-melting resin film, and an intermediate layer of a low-melting resin film. The foam and the facing are laminated together by melting the low-melting resin film in a manner that the rough surface is transparent through the facing. Upon lamination, heat may be applied onto the facing under pressure to emboss the rough surface of the molded foam, thus imparting a textured pattern. A heat insulating assembly for a battery comprises a battery case having outer surface walls and a pad of a one-piece pad member or pad members fayed and secured to the walls in a covering manner. The pad may be of the aforementioned pad material as well as molded foams produced by in-mold expansion molding or extrusion molding. The assembly may be secured by an additional fastening band, engagement of projecting members and recesses, splicing, etc.

REFERENCES:
patent: 4054730 (1977-10-01), Crifasi
patent: 4255502 (1981-03-01), Taylor
patent: 4657811 (1987-04-01), Boyd et al.
patent: 4892783 (1990-01-01), Brazel
patent: 5212025 (1993-05-01), Shibata et al.
patent: 5278002 (1994-01-01), Hiers
patent: 5310594 (1994-05-01), Holland et al.
patent: 5348778 (1994-09-01), Knipp et al.
patent: 5449571 (1995-09-01), Longardner et al.
patent: 5518806 (1996-05-01), Eder et al.

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