Turn bar apparatus

Details Turn bar apparatus Turn bar apparatus

1998-05-01

1999-12-07

Yan, Ren

Printing

Rolling contact machines

Rotary

101222, 101228, 226 40, 226 42, 226111, 226178, B41F 504

Patent

active

05996491&

ABSTRACT:
A turn bar apparatus is incorporated in a rotary press for reversing a web position during running thereof. The turn bar apparatus includes an upstream side turn bar, and a downstream side turn bar disposed along a web running direction. Pull rollers are disposed on an upstream side and a downstream side of the upstream side and downstream side turn bars, respectively. The puller rollers are controlled in such a manner that the peripheral speeds of the pull rollers are faster than a running speed of the web.

REFERENCES:
patent: 2884856 (1959-05-01), Brodie
patent: 3206089 (1965-09-01), Huck
patent: 3906855 (1975-09-01), Laursen
patent: 4007866 (1977-02-01), Traise
patent: 4011975 (1977-03-01), Brown, Jr.
patent: 4341335 (1982-07-01), Schmid
patent: 4654567 (1987-03-01), Kajikawa et al.
patent: 4779783 (1988-10-01), Fischer et al.
patent: 5337944 (1994-08-01), Shiba
"Offset Press", (Mechanism of Machine and Correct Operation), edited by Mitsubishi Jyukogyo Mihara Seisakusho, printed by Nippon Insatsu Shimbun-sha, Sep. 10, 1992.

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