Vacuum control device

Details Vacuum control device Vacuum control device

1983-11-09

1986-04-22

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

By means to convey sheet

271 96, 271108, 271196, B65H 308

Patent

active

045837295

ABSTRACT:
A device for controlling the vacuum at a rotating vacuum cylinder in a high peed paper converting machine by means of a control head having a conical shape which is supported coaxially therewith and which is secured against rotation. The conically shaped control head is telescoped into a complementarily shaped opening in the vacuum cylinder with an exact fit. The two cooperating control surfaces lie on the outer cone surface of the control head and on the inner cone surface of the vacuum cylinder.

REFERENCES:
patent: 2033849 (1936-03-01), Mudd
patent: 2867438 (1959-01-01), Hori
patent: 3915448 (1975-10-01), Total
patent: 4390174 (1983-06-01), Veith

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