Anti-wrap for high speed printing press
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United States of America Patent
Stats
-
Nov 12, 1991
Grant Date -
N/A
app pub date -
Feb 16, 1990
filing date -
Feb 16, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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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Cited Art Landscape
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