Folding apparatus for rotary printing presses
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United States of America Patent
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May 28, 1996
Grant Date -
N/A
app pub date -
Apr 28, 1994
filing date -
Apr 28, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A folding apparatus for rotary printing presses uses at least a single stage speed reducing device between a collection cylinder and a folding blade cylinder to reduce the speed of travel of signatures before they are cross-folded. The reduction in the speed of travel of the signatures eliminates damage to the signatures during their cross folding while allowing the printing press to operate at a high rate of speed.
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