Method of loading metal printing plates on a vacuum drum
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United States of America Patent
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Dec 23, 1997
Grant Date -
N/A
app pub date -
Jun 17, 1996
filing date -
Jun 17, 1996
priority date (Note) -
Expired
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Abstract
Metal printing plates can be loaded onto a drum and held in place by vacuum alone if flat plates are given a permanent curl by a set of four rollers. Same rollers cancel out the curl when plate is unloaded from drum. The invention is useful for Computer-to-Plate and Computer-to-Press systems.
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