Automotive sound-proof materials and damping materials therefor

Details Automotive sound-proof materials and damping materials therefor Automotive sound-proof materials and damping materials therefor

1989-05-18

1992-03-10

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Sound absorbing panels

181294, 296 393, 428355, E04B 182

Patent

active

050943189

ABSTRACT:
A sound-absorption material for an automobile includes a damping material, a sound-absorption material and a surface material. The damping, sound-absorption and surface materials are integrated together. The damping material includes a moldable plastic constraining material and an adhesive damping sheet containing a petroleum resin. The sound-proof material is integrally attachable to an automotive sheet material such as a dashboard.

REFERENCES:
patent: 4101704 (1978-07-01), Hiles
patent: 4456705 (1984-06-01), McCarthy
patent: 4488619 (1984-12-01), O'Neill
patent: 4574915 (1986-03-01), Gahlau et al.
patent: 4788099 (1988-11-01), Fukushima et al.
patent: 4800984 (1989-01-01), Kerman
patent: 9734323 (1988-03-01), Sato et al.

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