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JPS61252901A |
PURPOSE:To make pressure raisable only in case of being necessitated, by forming both low-pressure side and high-pressure side interconnecting ports in a peripheral part of a cylinder and, when a plunger exists an end of the high-pressur...
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JPS6150161B2 |
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JPS61235095A |
PURPOSE: To obtain an infinite pressure generating device which can obtain a high pressure easily, and can be utilized for a press, etc., by using a principle of a pressure transfer of a fluid, and constituting said device so that severa...
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JPS61168302U |
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JPS61168301U |
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JPS61218801A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS61215801A |
PURPOSE:To block the over-run of a piston by coupling a large piston and a small piston with the degree of radial freedom and providing an exhaust port in a primary liquid chamber. CONSTITUTION:Threaded portions of connecting members 12,...
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JPS61215467A |
PURPOSE: To simplify the structure while to improve the controlling performance, in a system comprising a tandem intensifier and a pair of high pressure pumps for pressing feeding the high pressure primary liquid alternatively into respe...
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JPS6142121B2 |
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JPS61144922U |
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JPS6129988Y2 |
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JPS61197801A |
A hydraulic pressure amplifier, e.g. for generating high water pressure for rock cutting and the like, in which a differentially displaced piston drives plungers alternately to pressurize the water and is driven by a primary fluid under ...
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JPS61139301U |
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JPS61129901U |
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JPS61122401U |
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JPS61122402U |
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JPS61119602U |
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JPS6194601U |
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JPS61127901A |
PURPOSE:To prevent dissimilar matter from being mixed in, by separating a rod surface, which comes into contact with oil inside an oil hydraulic cylinder, from another rod surface coming into contact with water in a hydraulic cylinder. C...
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JPS6116507Y2 |
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JPS6120205B2 |
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JPS6199704A |
PURPOSE:To provide higher pressure increasing efficiency by shaping pressure booster chambers at both ends of a booster piston, connecting an operating valve to the booster piston, and having the operating valve control a primary control...
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JPS6114643Y2 |
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JPS6158654U |
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JPS6110002Y2 |
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JPS6110001Y2 |
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JPS6152401A |
PURPOSE:To simplify the whole apparatus by allowing the inlet-side operation chamber of a large cylinder and the outlet-side operation chamber of a small cylinder to communicate through a communication passage into which a check valve is...
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JPS619602U |
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JPS614001U |
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JPS6040881Y2 |
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JPS60249702A |
PURPOSE:To simplify structure of a pressure intensifying cylinder, by moving a piston provided with a selector valve according to increase in load and applying a reaction force to the piston by changeover of the selector valve due to the...
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JPS6040322Y2 |
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JPS6039521Y2 |
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JPS60175527U |
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JPS60227001A |
PURPOSE:To effectively and rapidly manifest intensifying operation of the captioned device by providing an intensifying part having a booster piston on parallel to a cylinder and supplying high pressure oil to the cylinder in the recipro...
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JPS60158957U |
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JPS60122001U |
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JPS6023521Y2 |
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JPS6097402U |
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JPS6088201A |
A first pressure-intensifying apparatus includes a working cylinder having a working piston mounted within it and reciprocally movable by the application of working fluid alternately to opposite sides of the working piston. The working p...
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JPS6062602U |
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JPS6010912Y2 |
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JPS6049301U |
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JPS6010902U |
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JPS6010633U |
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JPS604800U |
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JPS59208201A |
PURPOSE:To enable an automatic generation of high output by a method wherein a valve body for opening and closing a fluid passage in a pressure increasing piston under a pressure acting against a main piston is fitted to a spaced-apart b...
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JPS5939202Y2 |
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JPS5932723Y2 |
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JPS59113502U |
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