Patent ID: 6176185
Filing Date: 2001-01-23
Classification: A44C,B41F

Abstract:
A method for marking a side of a straight-sided chip with a decoration by pad printing, said method comprising:providing an ink plate with an image defined by a radially deformed representation of the decoration of the straight side of the chip in a ring-shaped zone;moving a pad coaxially into contact with said ink plate such that said image transfers to said pad;moving said pad coaxially into contact with said chip such that said image transfers to said side of said chip such that said side is marked with said decoration;forming said image, said forming further comprising radially folding up said decoration for said side of said chip into a reference plane corresponding to a plane of said ink plate and including a face of said chip to produce an intermediate decoration; andcontracting said intermediate decoration inward toward a circular border of said plane to radially transform said intermediate decoration.