Vinyl covered sound absorbing structure

Details Vinyl covered sound absorbing structure Vinyl covered sound absorbing structure

1983-10-28

1984-12-11

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

181290, 181291, 181292, 428137, B32B 324, E04B 184

Patent

active

044877935

ABSTRACT:
A base structure of a fibrous material has on one face thereof a plurality of acoustical perforations. Positioned over this perforated face is a vinyl layer having a plurality of apertures therein, the apertures of the vinyl being in number much greater than the number of perforations in the base structure. The apertures in the vinyl sheet not all being in alignment with the perforations of the base structure, but the perforations of the base structure having a substantial number thereof in alignment with the apertures in the vinyl structure whereby an acoustical sound absorbing structure is formed.

REFERENCES:
patent: 3137364 (1964-06-01), Akerton
patent: 3422920 (1969-01-01), Greason et al.
patent: 3844875 (1974-10-01), Chamberlain
patent: 4076100 (1978-02-01), Davis
patent: 4097633 (1978-06-01), Focht
patent: 4128682 (1978-12-01), Nomura et al.
patent: 4128683 (1978-12-01), Nomura et al.
patent: 4263356 (1981-04-01), Nomura et al.
patent: 4294329 (1981-10-01), Rose et al.
patent: 4313524 (1982-02-01), Rose
patent: 4317503 (1982-03-01), Soderquist et al.

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