Paper-backed acoustical tile

Details Paper-backed acoustical tile Paper-backed acoustical tile

1974-05-20

1977-03-08

Hix, L. T.

Acoustics

Auditorium

162159, E04B 199

Patent

active

040108171

ABSTRACT:
An acoustical tile comprising a relatively thin, flat body of acoustical composition including fibrous material and a binder, and a paper backing affixed thereto having a fire-retardant material dispersed therein, the outer facing surface of the tile being either planar or slightly convex.

REFERENCES:
patent: 3025197 (1962-03-01), Sheidley
patent: 3082143 (1963-03-01), Smith
patent: 3183996 (1965-05-01), Capaul
patent: 3459274 (1969-08-01), McPhail
patent: 3697366 (1972-10-01), Harlock et al.
patent: 3760037 (1973-09-01), Yoshizawa
patent: 3770577 (1973-11-01), Humphrey
patent: 3816307 (1974-06-01), Woods

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