Sound absorber

Details Sound absorber Sound absorber

1981-09-09

1982-10-05

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

181204, 428 36, 4283179, 4283202, 428328, 428329, B32B 516

Patent

active

043528538

ABSTRACT:
A sound absorber comprises a layer of a composition of a heat resistant binder and an acidic solid catalyst which is coated on a porous metal substrate in the hardened form.

REFERENCES:
patent: 4264660 (1981-04-01), Siebels

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