Soundproofing panels for automobile applications and manufacturi

Details Soundproofing panels for automobile applications and manufacturi Soundproofing panels for automobile applications and manufacturi

1990-04-26

1993-11-30

Bell, James J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156197, 156214, 156322, 1563071, 1563077, 1563073, 264 464, 264 468, 181284, 181294, B29C 4700, B29C 6700, E04B 182

Patent

active

052661431

ABSTRACT:
Composite soundproofing panels for applications in the automotive sector have a plastic layer bonded to at least one porous material layer. The plastic layer has a composition which contains a first elastomeric material, a high density filler material, a plasticizer and a second elastomeric material. The plastic layer is bonded to at least one self-supporting, premoldable layer of porous material while maintaining a constant thickness within +10%.

REFERENCES:
patent: 5034076 (1991-07-01), Masui et al.

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