Intermittent feeding apparatus for a continuous sheet

Details Intermittent feeding apparatus for a continuous sheet Intermittent feeding apparatus for a continuous sheet

1985-06-17

1987-11-17

Levy, Stuart S.

Advancing material of indeterminate length

With adherence or attraction of material to advancing means

By pneumatic pressure

226140, B65H 2012, B65H 2016

Patent

active

047068639

ABSTRACT:
In a machine for working (or processing) a continuous sheet while the continuous sheet travels through the machine, an intermittent feeding apparatus for the continuous sheet is provided which has a suction roll disposed on the downstream side of the working (or processing) section for sucking and transporting the continuous sheet, adjusting means for adjusting a sheet sucking and transporting period of the suction roll, and a secution box disposed on the upstream side of the working (or processing) section for continuously exerting upon the continuous sheet a suction force that is weaker than the suction force exerted by the suction roll.

REFERENCES:
patent: 2753181 (1956-07-01), Anander
patent: 3270932 (1966-09-01), Smith, Jr.
patent: 4124156 (1978-11-01), Waffner
patent: 4260146 (1981-04-01), Mitzel
patent: 4291974 (1981-09-01), Silverberg
patent: 4336813 (1982-06-01), Seragnoli
patent: 4403847 (1983-09-01), Chrestensen

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