Anti-wrap for high speed printing press

Details Anti-wrap for high speed printing press Anti-wrap for high speed printing press

B - Operations, Transporting

65

H

270/30

B65H 7/02 (2006.01) B41F 33/18 (2006.01)

Patent

CA 2028494

ABSTRACT An anti-wrap apparatus and method for high speed printing press involves detecting the start of web wrap after web break to deactivate the press motors and apply the press brakes. In addition the detection mechanism which senses a change in the web path, can sever the already printed web being drawn backwards by the start of web wrap, to limit the availability of web material, for web wrap. In the case of difficult to sever web materials, severing action can be enhanced by forcing the web being drawn backwards, against the severing detection mechanism.

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