Thermosetting foaming sealer

Details Thermosetting foaming sealer Thermosetting foaming sealer

1988-12-20

1989-10-17

Van Balen, William J.

Stock material or miscellaneous articles

Sheet including cover or casing

428 57, 428 71, 428 76, 428189, 4283193, B32B 326

Patent

active

048746509

ABSTRACT:
A thermosetting foaming sealer of this invention is a thermosetting foaming sealer for filling up a vacant space. The thermosetting foaming sealer comprises a foaming substance having a shape substantially agreeing with a vacant space to be filled up, and a restraining substance for restraining the foaming substance in a compressed state, wherein the restraining substance is an elastomer having high viscosity at room temperature, substantially maintaining the compressed state of the compressed foaming substance, and coming to have low viscosity during paint film baking. The thermosetting foaming sealer can be provided firmly at a predetermined position and can fill up the vacant space at the predetermined position. Thus, desired silence, for instance, in an automobile has been attained by employing the thermosetting foaming sealer.

REFERENCES:
patent: 4269890 (1981-05-01), Breitling et al.
patent: 4356676 (1982-11-01), Hauptman
patent: 4399174 (1983-08-01), Tanaka et al.
patent: 4767655 (1988-08-01), Tschudin-Mahrer

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