Patent ID: 7846289
Filing Date: 2010-12-07
Classification: B29C,H01L,Y10T

Abstract:
1. A sheet peeling apparatus comprising: a peeling table supporting a peeling object on which a sheet is stuck; and a sheet peeling unit provided to be movable relatively along a surface of the peeling object, in which the sheet can be peeled off in such a way that a peeling tape paid out from the sheet peeling unit is bonded to the sheet and the peeling tape is wound, wherein: said peeling unit includes a supply portion of the peeling tape, a winding portion of the peeling tape and a peeling head positioned between the supply portion and the winding portion, said peeling head comprises a first roll which affixes the peeling tape to the surface of the sheet, a second roll which is provided alongside the first roll across an aperture through which the sheet may travel, and a third roll which is provided downstream of the winding direction of the peeling tape relative to the second roll, and the first roll and the second roll form a first peeling angle and the first roll and third roll form a second peeling angle which is smaller than the first peeling angle, to peel off the sheet, wherein the peeling tape fits along an outer peripheral surface of the first roll when the first peeling angle is formed and the second peeling angle is determined by an outside diameter of the first roll.