Apparatus for attaching a printing blanket to a printing cylinder
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United States of America Patent
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-
May 16, 1989
Issued Date -
N/A
app pub date -
May 6, 1988
filing date -
May 18, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lock-up mechanism for holding printing blankets to printing cylinders in rotary presses, which eliminates the problem of blanket pullout. The lock-up mechanism includes a substantially planar surface on a reel rod, running from the inner edge of the axial groove to a point on the reel rod circumference on the opposite side of the reel rod center. The substantially planar surface forms an angle with the inner edge of the reel rod groove and the surface of from about 85.degree. to about 97.degree., preferably about 90.degree.. The configuration eliminates blanket pullout by redirecting the forces applied to the blanket to a direction where the forces do not tend to pull the blanket out of the groove. The lock-up mechanism can be used in any printing cylinder, but most preferably in narrow gap type cylinders.
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