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Title:
INTENSIFIER
Document Type and Number:
Japanese Patent JPS5565701
Kind Code:
A
Abstract:
PURPOSE:To perform a rapid return operation by communicating a pressure cylinder back chamber with a return cylinder through a passage for flowing the oil within the return cylinder into the back chamber. CONSTITUTION:When a compressed air is delivered from a air tube 27 where a compressed air tube 5 is exposed to the atmospheric air, a compressed air a is compressing the oil surface 0' of a return cylinder 25 causing the oil to flow through the oil tube 30 to make a backward movement of the actuating cylinder 2', allowing the oil within the return cylinder 25 to flow into the back chamber 16 from the communicating passage 26 for returning to the original position of two stage piston 12 in cooperation with the spring 18. Consequently, the oil filled in the push side of actuating cylinder 2 is recirculated to the high pressure cylinder 8, causing to achieve the rapid returning operation.

Inventors:
MORITA KENICHI
Application Number:
JP13791878A
Publication Date:
May 17, 1980
Filing Date:
November 10, 1978
Export Citation:
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Assignee:
SATO TEKKO CO LTD
International Classes:
F15B3/00; (IPC1-7): F15B3/00



 
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