Acoustical panel and method of making same

Details Acoustical panel and method of making same Acoustical panel and method of making same

1991-09-03

1992-09-22

Hix, L. T.

Acoustics

Sound-modifying means

Sound absorbing panels

181294, E04B 182

Patent

active

051499207

ABSTRACT:
An acoustical panel comprises a compressed and cured mass of binder impregnated randomly oriented and interentangled fibrous glass bundles. The acoustical panel surprisingly is characterized by high sound absorption coefficients at low frequencies.

REFERENCES:
patent: 2732885 (1956-01-01), Van Der Hoven
patent: 3082143 (1963-03-01), Smith
patent: 3276928 (1966-10-01), Pearson et al.
patent: 3328086 (1967-06-01), Johnston
patent: 3581453 (1971-06-01), Jones et al.
patent: 3583522 (1971-06-01), Rohweder et al.
patent: 4016234 (1977-04-01), Warren et al.
patent: 4324831 (1982-04-01), Parrini et al.

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