Sound-absorbing panel

Details Sound-absorbing panel Sound-absorbing panel

1979-12-06

1981-11-24

Hix, L. T.

Acoustics

Sound-modifying means

Sound absorbing panels

181288, 181291, E04B 182

Patent

active

043018904

ABSTRACT:
A non-porous, sound-absorbing panel which can be readily cleaned and which is intended for use in high humidity, sanitary environments. The panel comprises two non-porous membranes or panels bonded to opposite sides of a honeycomb structure. At least one membrane is formed of sound-absorbing material with the membrane natural frequency, the membrane/honeycomb cavity natural frequency and the standing wave natural frequency of the honeycomb cavities being closely matched. In a preferred embodiment of the invention, the membrane comprises a polyurethane panel; while the honeycomb structure is formed from phenolic impregnated paper.

REFERENCES:
patent: 2140210 (1938-12-01), Schenk
patent: 2413568 (1946-12-01), Hurley
patent: 3380206 (1968-04-01), Barnett
patent: 3504761 (1970-04-01), Sullivan et al.

Affiliated with

Also associated with

Rating

Sound-absorbing panel does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sound-absorbing panel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sound-absorbing panel will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2170258