Differential-pressure turner bar configuration

Details Differential-pressure turner bar configuration Differential-pressure turner bar configuration

1996-10-24

1998-08-25

Marmor, Charles A.

Advancing material of indeterminate length

By fluid current

And web storage

226197, B65H 2332, B65H 2000

Patent

active

057975310

ABSTRACT:
A turner bar has a hollow space that can be connected to a compressed air source, for deflecting a printed web of material. Closable and openable air outlet openings are disposed on a turner bar jacket. When a web is present above the air outlet openings of the turner bar, a counterpressure that builds up below the web effects a displacement of a movable opening and closing element, in such a way that an air supply is released.

REFERENCES:
patent: 3567093 (1971-03-01), Johnson
patent: 4288015 (1981-09-01), Curtin
patent: 5273207 (1993-12-01), Hambrecht
patent: 5316199 (1994-05-01), Hansen et al.
patent: 5520317 (1996-05-01), Eckert et al.
Patent Abstract of Japan, vol. 13, No. 177 (M-818) Apr. 26, 1989: & JP-A-1008368 (Suzuki) Mar. 12, 1989.

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