Sound absorbing materials

Details Sound absorbing materials Sound absorbing materials

1992-12-22

1994-02-15

Gellner, Michael L.

Acoustics

Sound-modifying means

Sound absorbing panels

428224, 428284, 428288, 428296, 428397, E04B 182

Patent

active

052869296

ABSTRACT:
A sound absorbing material comprises a fiber gathered body containing at least 50% by weight of synthetic fiber staples and having a mean density of 0.02-0.2 g/cm.sup.3, in which at least 30% by weight of irregular-shaped fibers having a particular sectional shape are contained in the fiber gathered body.

REFERENCES:
patent: 4639397 (1987-01-01), Sato et al.
patent: 4898783 (1990-02-01), McCullough et al.

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