Title:
LIQUID PRESSURE TYPE PRESS DEVICE
Document Type and Number:
Japanese Patent JPH06277900
Kind Code:
A
Abstract:
PURPOSE: To improve the accuracy of press working and to reduce the weight of the frame of the press so as to reduce a cost by erasing the moment to be generated on the frame of the press.
CONSTITUTION: The pressing force of the press device having plural pieces of liquid pressure cylinders 5, 6 varying in pressure bearing areas is generated by the liquid pressure cylinder 5 having the larger pressure bearing area of these cylinders and the liquid pressure cylinder 6 of the smaller pressure bearing area is acted in the direction reverse from the pressing force, by which the moment acting on the frame of the press device is balanced.
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Inventors:
NAKAGAWA MASAO
Application Number:
JP6789593A
Publication Date:
October 04, 1994
Filing Date:
March 26, 1993
Export Citation:
Assignee:
NISSHIN SPINNING
International Classes:
B30B1/32; B30B15/06; (IPC1-7): B30B15/06; B30B1/32
Domestic Patent References:
| JPS62168700A | 1987-07-24 |
Attorney, Agent or Firm:
Akihide Sugimura (5 outside)