Sound insulating material

Details Sound insulating material Sound insulating material

1980-08-29

1983-02-15

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

181284, 181288, 181294, 181DIG1, 4283179, 4283227, B32B 514, B32B 518, B32B 522, B32B 702

Patent

active

043741720

ABSTRACT:
The invention relates to a sound damping material in the shape of foils or strips comprising open-pored foam material impregnated with different quantities of a viscoelastic compound, which is intended for application to attenuated structures, particularly automobile body panels.

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patent: 4070520 (1978-01-01), Volz et al.
patent: 4079170 (1978-03-01), Cluff
patent: 4082703 (1978-04-01), Duffy et al.
patent: 4125664 (1978-11-01), Giesemann

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