Paint spray booth with silencer means

Details Paint spray booth with silencer means Paint spray booth with silencer means

1980-01-11

1981-07-21

Makay, Albert J.

55240, 55276, 55DIG46, 98DIG10, B05C 1500

Patent

active

042791960

ABSTRACT:
The invention provides a paint spray booth of the kind having an enclosed chamber defining a working area with a perforate working floor. A sub-floor located beneath the working floor has an opening, or a series of openings, through which air from the working area is extracted together with a scrubbing liquid with which the sub-floor is continuously flooded. According to the invention, sound-deadening means for reducing noise within the working area is located beneath the working floor, and these means comprise, generally, a sound-reflecting baffle plate fitted on one surface with an acoustic material. In a particular form of the invention, the openings comprise tubular outlet structures having downwardly-depending wall members, and the baffle plate surrounds the wall members in the form of a jacket, the acoustic material being disposed within the space formed between the wall members and the jacket. The wall members are perforated to allow sound to pass through into the acoustic material.
A booth constructed in accordance with the invention has significantly lower noise levels within the working area than in prior art booths.

REFERENCES:
patent: Re21519 (1940-07-01), Norris
patent: 2037884 (1936-04-01), Day
patent: 3690044 (1972-09-01), Boresta
patent: 3757892 (1973-09-01), Raudman, Jr.
patent: 3934495 (1976-01-01), Bloomer
patent: 4045524 (1977-08-01), Borhert
patent: 4144041 (1979-03-01), Hov
patent: 4162904 (1979-07-01), Clay et al.

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