Apparatus for providing selectively differentiated vacuum across

Details Apparatus for providing selectively differentiated vacuum across Apparatus for providing selectively differentiated vacuum across

1983-07-29

1985-10-15

Alvo, Steve

Paper making and fiber liberation

Apparatus

Automatic control

162279, 162352, 162366, 162374, D21C 148

Patent

active

045472661

ABSTRACT:
Mechanism for automatically controlling and maintaining a selectively differentiated vacuum pressure in a vacuum head accommodating to the transverse width of a moving web passing relative thereto involving means for supplying air to the vacuum head at spaced points along the width and control means for detecting the need for an increase or decrease in the vacuum at the spaced points along the length and selectively charging more or less air to the vacuum head at the corresponding points along the length.

REFERENCES:
patent: 3149026 (1964-09-01), Hornbostel, Jr.
patent: 3859163 (1975-01-01), Haythornthwaite
patent: 3935061 (1976-01-01), Biornstad
patent: 4308077 (1981-12-01), Bolton

Affiliated with

Also associated with

Rating

Apparatus for providing selectively differentiated vacuum across does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for providing selectively differentiated vacuum across, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for providing selectively differentiated vacuum across will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2431492