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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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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