Method of preventing multiple breakage of webs running in rotary

Details Method of preventing multiple breakage of webs running in rotary Method of preventing multiple breakage of webs running in rotary

1985-10-17

1987-05-26

Eickholt, E. H.

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242 57, 101226, 226 11, 226 4, B65H 4100, B65H 2322

Patent

active

046679464

ABSTRACT:
A method of preventing the subsequent breakage of webs running in a rotary press which would be caused by a first broken web. In this method, when a signal of web breakage is received from any one of web breakage sensors which are provided to sense the breakage of any of the running webs, a nip pressure signal is changed in accordance with the number of webs still running, and is sent to a nip pressure controller to decrease the nip pressure of a triangular former drag pressing roller and nipping roller, to prevent the multiple breakage of webs.

REFERENCES:
patent: 2838303 (1958-06-01), Morley
patent: 3249758 (1966-05-01), De Luca et al.
patent: 3928844 (1975-12-01), Meihofer
patent: 4078487 (1978-03-01), McComb
patent: 4186309 (1980-01-01), Gnuechtel
patent: 4344073 (1982-08-01), Rawlings
patent: 4532500 (1985-07-01), Henk
patent: 4569285 (1986-02-01), Forno et al.

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