Apparatus and method for precisely drilling alignment pin register holes in pre-marked flexible printing plates
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United States of America Patent
Stats
-
Jul 23, 1996
Grant Date -
N/A
app pub date -
Aug 26, 1994
filing date -
Aug 26, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for aligning flexible printing plates and for accurately drilling pin register holes therein includes a three-way adjustable table top assembly which can be selectively adjusted in X and Y directions and rotated about an axis. A pneumatic clamp is positioned on the table top assembly for clamping a pre-marked flexible printing plate to be drilled in place thereon. A movable stereomicroscope viewer is slidable above the table top assembly to view the flexible plate for position adjustment via the adjustable table top assembly. A drill assembly is also positionable over each location at which a pin register hole is to be drilled. The drill assembly includes a movable hollow core drill bit surrounding a stationary rod. Once the flexible plate is aligned via the viewer, the drill assembly is sequentially positioned above the flexible plate at each point to be drilled with a pin register hole and operated to drill each hole therein.
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