Noise suppression box for fiber processing machinery

Details Noise suppression box for fiber processing machinery Noise suppression box for fiber processing machinery

1991-06-17

1993-04-20

Crowder, Clifford D.

Textiles: fiber preparation

Working

Fluid or special treatment

181200, D01B 300, G10K 1104

Patent

active

052030520

ABSTRACT:
A noise supression box is secured over the air inlet opening in the housing of a fiber opening machine which contains a plurality of rotatable opener rolls that open and feed fibers to an outlet formed in the housing adjacent its air inlet opening. The box surrounds in spaced relation thereto an air inlet duct which is secured at one end over the air inlet opening and communicates at its opposite end with the exterior of the box and housing. The walls of the air inlet duct contain a plurality of spaced perforations, and the space in the box around the outside of the duct is filled with sound absorbing foam insulation.

REFERENCES:
patent: 3685614 (1972-08-01), Coanda et al.
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patent: 4110876 (1978-09-01), Weiss et al.
patent: 4129264 (1978-12-01), Lamin et al.
patent: 4854013 (1989-08-01), Pinto et al.
patent: 4964196 (1990-10-01), Schmid et al.
patent: 5033165 (1991-07-01), Temburg et al.
patent: 5044046 (1991-09-01), Pinto et al.
patent: 5095588 (1992-03-01), Hergeth

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