| 摘要 |
PROBLEM TO BE SOLVED: To aim at providing a mold device which does not change a thickness of processed material by drawing and performs a reverse drawing with a prescribed shape and thickness. SOLUTION: The device comprises an upper mold having a reverse drawing punch 32 on the top of which a processing part 41 is installed for a reverse drawing of workpieces, a pin 33 the lower end of which contacts with a driver 50 installed on the lower mold to check and push down, a lower mold having a processing hole 42 opposite to the processing part 41 of the reverse punch 32, and a push-up pin 44 which is energized upward through the driver 50, moves up and down freely and holds or pushes up a processed material 43 by having the upper end contact with the processed material 43 drawn by getting through the processing hole 42.
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