Composite sound wall

Details Composite sound wall Composite sound wall

1994-02-09

1995-08-01

Dang, Khanh

Acoustics

Sound-modifying means

Sound absorbing fence or screen

181286, 52144, 52145, E04H 1700

Patent

active

054381711

ABSTRACT:
A sound absorbing device for use as a sound barrier. The device includes at least one elongated tubular member of fiber reinforced, thermosetting resin formed by pultrusion and having a hollow interior able to receive sound absorbing material. The hollow interior is filled with sound absorbing material including particulate, recycled polymer firmly compacted within and substantially filling the hollow interior of the tubular member.

REFERENCES:
patent: 884354 (1908-04-01), Bertrand
patent: 2423199 (1947-07-01), Milnor
patent: 3656576 (1972-04-01), Gubela
patent: 3948009 (1976-04-01), Bernhard
patent: 4114725 (1978-09-01), Croasdale
patent: 4143495 (1979-03-01), Hintz
patent: 4840826 (1989-06-01), Shirasaki et al.
patent: 4899498 (1990-02-01), Grieb
patent: 4939037 (1990-07-01), Zion et al.
patent: 5217771 (1993-06-01), Schmanski et al.
patent: 5272284 (1993-12-01), Schmanski

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