Sound absorbing material

Details Sound absorbing material Sound absorbing material

1979-10-31

1982-06-22

Hix, L. T.

Acoustics

Sound-modifying means

Sound absorbing panels

181294, 428198, 428233, 428282, G10K 1100, B32B 522

Patent

active

043358020

ABSTRACT:
A multilayered sound absorbing panel formed from aramid cloth and aramid felt layers. An intervening film between the cloth and felt layers may be included, bonded to those layers in interrupted patterns so as to leave portions of the film non-bonded to the cloth and felt layers.

REFERENCES:
patent: 3712846 (1973-01-01), Daniels et al.
patent: 4010818 (1977-03-01), Westley
patent: 4056161 (1977-11-01), Allen, Jr.
patent: 4077491 (1978-03-01), Hankel
Properties of Nomex.RTM. Aramid Fiber, Du Pont Technical Information, Oct. 1969, pp. 1-12.

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