Suction web transfer device

Details Suction web transfer device Suction web transfer device

1996-11-29

1999-06-29

Marmor, Charles A

Advancing material of indeterminate length

With adherence or attraction of material to advancing means

By pneumatic pressure

226172, B65H 2308, B65H 2000

Patent

active

059156139

ABSTRACT:
A web transfer device for use in a machine for the production or processing of fibrous webs. The transfer device may include a transfer belt guided around a plurality of web guide rolls and positioned against a portion of a pick-up cylinder. The transfer device may also include a suction box for creating at least a partial vacuum between the web guide rolls to transfer the fibrous web from the pick-up cylinder to the transfer belt. The transfer device may also include a suction space having a peripheral surface including a portion of the transfer belt positioned adjacent to the pick-up cylinder and between the plurality of web guide rolls.

REFERENCES:
patent: 4336813 (1982-06-01), Seragnoli
patent: 4481066 (1984-11-01), Hirakawa et al.
patent: 4829320 (1989-05-01), Une et al.
patent: 4984728 (1991-01-01), Brinkmeier et al.
patent: 5267431 (1993-12-01), Stahlecher et al.
patent: 5306384 (1994-04-01), Statt
patent: 5518490 (1996-05-01), Ziegelhoffer
patent: 5545295 (1996-08-01), Fujita et al.
patent: 5564174 (1996-10-01), Rovellini et al.

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