Method for marking a gambling chip by pad printing
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United States of America Patent
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Oct 22, 2002
Issued Date -
N/A
app pub date -
Aug 15, 2000
filing date -
Mar 28, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Method for pad-printing a substantially cylindrical chip having opposing faces and a side, the method comprising forming a first decoration, including a section for at least a portion of the side of the chip, radially deforming the section to form a second decoration, providing an ink plate with the second decoration, moving a pad coaxially into contact with the ink plate such that the second decoration transfers to the pad and moving the pad coaxially into contact with the chip such that the second decoration transfers to the side to print the section on the side, wherein a contraction coefficient of the radially deforming is determined, for a given straight-sided chip and a given pad, by marking a chip model using a positioning ink plate centered on an axis of the chip, the positioning ink plate bearing a pattern comprising closely-spaced concentric circles.
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