Apparatus for dewatering of paper machine felts

Details Apparatus for dewatering of paper machine felts Apparatus for dewatering of paper machine felts

1998-06-29

2000-10-03

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Apparatus repair, cleaning or conditioning

162275, 162279, D21F 712, D21F 132

Patent

active

061267880

ABSTRACT:
An apparatus for the dewatering of a traveling press felt carries a purging fluid to the inside surface of the felt loop. The purging fluid flushes water from the felt into receptacles inside the felt loop. Purging nozzles oriented in the cross machine direction, or a multitude of suction slots oriented in the running direction, may be used. The nozzles or slots are incorporated into a nozzle block that is fastened to a suction box or a blow box.

REFERENCES:
patent: 1840102 (1932-01-01), Tespersen
patent: 2544572 (1951-03-01), Vickery
patent: 2905241 (1959-09-01), Smith
patent: 3013938 (1961-12-01), Justus et al.
patent: 3278368 (1966-10-01), Wicker
patent: 3671389 (1972-06-01), Wahlstrom
patent: 3859163 (1975-01-01), Haythornwaite
patent: 4880500 (1989-11-01), Eldridge et al.
patent: 5147508 (1992-09-01), Sweet

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