Foam acoustic absorption member
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 29, 1987
Grant Date -
N/A
app pub date -
Dec 11, 1985
filing date -
Dec 14, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A foam acoustic absorption member having a stabilizing layer with perforations and, in order to obtain a simple, stable structural shape of homogeneous resistance to flow, the stabilizing layer (2) is a wide-side wall of a hollow body (K) which wall is pressed, under thermal deformation, against the foam layer (1), the openings in said hollow body consisting of holes (9) punched from the foam side.
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Family
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Cited Art Landscape
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