Sound-attenuating panel

Details Sound-attenuating panel Sound-attenuating panel

1994-02-22

1995-10-10

Kang, Khanh

Acoustics

Sound-modifying means

Sound absorbing panels

181294, E04B 182

Patent

active

054572916

ABSTRACT:
Acoustic resonator means are embodied through successive stages of molding. A first stage pre-forms resonator enclosures without solid forms inside. After resonator enclosures have been pre-formed they advance to a second stage. A jig form molds pre-formed resonator bulbs and concrete together in a panel molding region to form a resonator panel.

REFERENCES:
patent: 1554179 (1925-09-01), Trader
patent: 1825770 (1931-10-01), Barnett
patent: 3159236 (1964-12-01), Akerson
patent: 3275101 (1966-09-01), Morrissey et al.

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