Paper converting machine vacuum cylinder

Details Paper converting machine vacuum cylinder Paper converting machine vacuum cylinder

1985-01-28

1986-01-14

Fuller, Benjamin R.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

181256, 181272, D21F 310, F01N 110

Patent

active

045644187

ABSTRACT:
A noise suppression device is provided for a vacuum cylinder having a conl head which is used in high speed paper converting machines and which includes a sound attenuator which is integral with the vacuum cylinder. The sound attenuator incorporates a plurality of attenuation chambers within the vacuum cylinder which are interconnected by tubes arranged in an offset manner to overlap each other in the projection. Air passages are also provided in the side of the vacuum cylinder opposite the control head to connect the last attenuation chamber to the atmosphere.

REFERENCES:
patent: 2857823 (1958-10-01), Thiessen
patent: 2882969 (1959-04-01), Foscue et al.
patent: 4407390 (1983-10-01), Le Blanc, Jr.

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