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Inventor: Haseba; Junko
Address: Sagamihara, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 8127590 |
Die cushion device of pressing machine |
March 6, 2012 |
| In a die-cushion device of a press machine a controller controls an opening degree of a proportional flow-rate control valve to an appropriate opening degree in order to control the flow rate flowing out of a lower chamber of a hydraulic cylinder supporting a cushion pad before a sli |
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