Patent ID: 7371061

Claim:
A die clamping system comprising: a fixed die plate, a moveable die plate moveable in an opening and closing direction with respect to the fixed die plate, a tie bar inserted into said fixed die plate and said moveable die plate and able to be withdrawn from said fixed die plate, a die opening and closing part moving said moveable die plate in the opening and closing direction, a withdrawing part having a moveable part capable of being coupled with said tie bar, provided on said moveable die plate, and moving said moveable part with respect to said moveable die plate in the withdrawing direction of said tie bar, and a withdrawing coupling part coupling said moveable part and said tie bar and releasing the coupling action, said withdrawing coupling part can couple said moveable part and said tie bar when said tie bar is not withdrawn from said fixed die plate, said moveable part is at the limit position of the insertion direction side of said tie bar in the range of movement of said moveable part, and said moveable die plate is at a position at the die closing direction side from the limit position of the die opening direction side of the range of movement of said moveable die plate.