Printing press with dampening liquid spray control apparatus and method
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United States of America Patent
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-
Apr 22, 1997
Issued Date -
N/A
app pub date -
Nov 14, 1995
filing date -
Feb 25, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A printing press (10) with a dampener roller (16) and a spray bar assembly (12) for spraying dampening liquid (20) onto the dampener roller is provided with a dampening liquid spray control apparatus (15) including a control member (18) with a diagonal blocking section (40) for blocking dampening liquid (20) from impinging upon selected locations on the dampener roller (16) when there is a relatively narrow web running in the press and a transverse deflecting section (42) for deflecting dampening liquid (20) onto the dispenser roller at preselected locations adjacent the end of the dampener roller (16A) when a relatively wider web is running in the press to reduce scumming and an adjustable mounting apparatus (24, 26, 28, 30, 31, 34 and 37) to mount the control member (18) in different positions to achieve different dampening results.
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