Press plate registering method
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United States of America Patent
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-
Jul 2, 1996
Issued Date -
N/A
app pub date -
Mar 1, 1994
filing date -
Jan 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of registering press plates on plate cylinders used in a sheet-fed press for multicolor printing, in which register information is obtained by using edges of the press plates as references. Each press plate is stretched around a plate cylinder with its front edge and one side edge abutted against gripping references on the plate cylinder. A press plate register measuring device similarly uses the edges of the press plate as references, with the press plate in the same positional relationship as on the press cylinder. On the measuring device deviations between references marks on the plates and benchmark references are measured and utilized to adjust the position of the plate cylinders to bring the printing plates into registered printing positions.
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