Stamper-holding apparatus for use in injection mold

摘要

A stamper holding apparatus comprises a holding member for holding a stamper on the mirror surface of one of stationary and movable mirror blocks, a plurality of stationary side actuation units arranged around the outer periphery of the stationary mirror block, a plurality of movable side actuation units arranged around the outer periphery of the movable mirror block, and operating rods of each stationary side actuation units and operating rods of each movable side actuation units being alternatively engageable with the holding member.