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JP2000170650A |
To prevent contact and collision of the advancing side edge of a slit-like inflow passage opening to the ram front end without reducing a clearance more than needs.A ram 16 reciprocating in a ram cylinder 14 is formed into an approximate...
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JP3046202B2 |
PURPOSE: To reduce the size and weight of a housing and to suppress projecting quantity of a receiving rod. CONSTITUTION: A reservoir 30 is arranged in a pump case 18, while a flexible air bag 40 is arranged in the reservoir 30. A receiv...
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JP2603806Y2 |
A portable, power-driven machine for cutting a threaded rod to any required length by the shearing action of a movable cutting bit thrust past a fixed cutting bit. Each cutting bit has a series of semicircular internal threads for mating...
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JP3017984B1 |
[wrap up] [Task] The accuracy of the cutting position of the threaded part of the bolt is improved by a simple operation, and the cut surface is always perpendicular to the axial direction of the threaded part. The bolt thread cutting de...
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JP3005759B2 |
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JPH11347831A |
To provide the electric cutter of lightweight shape steel which can cut off lightweight shape steel such as a joist along an opening edge by one operation and further cut even the lightweight shape steel projected to a circular opening f...
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JP2987482B2 |
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JPH11320251A |
To make continuous cutting with simultaneous removal of burrs in the forefront part left unremoved in the first working process without requiring the operator to shift his working position forward and backward relative to a metal plate o...
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JP2981992B2 |
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JP2977671B2 |
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JP2598068Y2 |
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JPH11179681A |
To perform various works even when a piston stroke is varied by forming slide grooves for sliding a movable side die according to the slide of a piston head on the inside surfaces of a yoke and a latch, and providing attachable and detac...
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JP2912935B2 |
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JP2909818B1 |
[wrap up] [Task] An electric motor automatically drives the links and dies to obtain a miniaturized rail cutter that cuts the bar to the specified length. The limit switch operated by the cam rotated by the motor and the rotation of the ...
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JPH11156629A |
To provide a cutting tool which can easily and safely cut a light- weighted shape steel material. A cutting tool 1 has an operable knife blade 4 is arranged so as to rotate around a rotary center 10. The knife blade 4 has first and secon...
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JP2893387B2 |
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JPH11123610A |
To safely and quickly cut a bolt without generating spark by installing a pair of cutting blades in blade installing parts on the opposed ends of a rotary body and a device body. A hydraulic hose from a hydraulic pump is connected to a c...
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JPH11114852A |
To improve working efficiency by speeding up the reciprocating motion such as of a cutting work while maintaining separated state from the valve seat of a switching valve. This operating tool is provided with oil exhust ports 5 which are...
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JPH1177426A |
To select a blade part of a cutter at a desired angle in accordance with necessity of a cutting worker, make a leg part rise in a rear end side thereof, so as to perform work, make it high in safety, eliminate or reduce labor, make worka...
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JPH1170407A |
To easily, safely, and quickly cut a grating made of a steel plate. In this cutter, when cutting blade tips 6 are opened to nip the bearing bar (b) of a grating (a), and then hydraulic pressure applied to a hydraulic cylinder 3; a pressi...
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JP2586029Y2 |
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JP2585168Y2 |
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JP2585112Y2 |
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JP2820357B2 |
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JP2805282B2 |
PURPOSE: To easily and accurately position a steel bar by forming a fixed blade so as to be provided with a slit between a right and a left fixed cutting blade, and with a recessed section in a shape which is substantially complementary ...
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JP2805276B2 |
PURPOSE: To provide a portable steel bar cutter capable of easily and quickly retracting its cutting edge by manual operation at an crisis or in an emergency with out disassembling a cylinder device. CONSTITUTION: An electrically powered...
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JP2802590B2 |
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JP2802589B2 |
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JPH10249630A |
To provide an electrically-driven cable cutter which can shorten operating time by making the length of a circular arc smaller as much as possible, which is located at the sector gear portion at the cutting part of a rotary blade, and ca...
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JPH10249631A |
To smoothly perform the return action of a second cutting blade by preventing the second cutting blade from being continuously forwarded after cutting has been done, and thereby make double cutting possible. This invention is concerned w...
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JP2579200Y2 |
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JP2788271B2 |
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JP2783798B2 |
1. Levered pliers, in particular bolt cutters, with one pair each of double-armed cutting-jaw (1, 2) and hand levers (8, 9) which in each case are articulated on one another and not cross in the area of the articulated points (5, 12), an...
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JP2777575B2 |
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JPH10179950A |
To provide a tool having short length so as to store in a small place and make it easy to handle, with which bigger action force can be obtained by smaller force. A metal cutting scissors 1 are comprised of a pair of handle members 2 and...
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JP2575745Y2 |
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JP2766622B2 |
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JP2761862B2 |
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JP2759101B2 |
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JPH10128616A |
To provide a cutting tool capable of controlling a feed amount of a cutter (blade plate). In a casing 2, a cam 6 is mounted capable of rotating with a camshaft 7 serving as the center. A cutter 20 is connected to a peripheral edge of the...
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JPH10118788A |
To easily and appropriately conduct prescribed working appropriately corresponding to a various required working quantity of a work. A first piston 15 undertakes pumping function with power of a main body housing 1, a second piston 20 ha...
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JPH10118991A |
To arrange a unit for working even in a narrow position, and to carry out various workings only by changing the unit for working. A pressure oil generating device 4 is driven by the electric motor 3 of a driving device 2 to generate a pr...
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JP2736336B2 |
A power unit essentially consisting of a pump (2) and a cylinder (1) for driving a tool has a high-pressure space (1a) and two low-pressure spaces. The high-pressure space (1a) and the first low-pressure space (1b) are separated from one...
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JP2711264B2 |
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JP2559792Y2 |
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JP2558971Y2 |
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JP2686594B2 |
PURPOSE: To obtain a tool having a cutting function and a holding function by providing pliers be butt attached to the ends of two holding halves, and providing a fitting laminating cutter at a slightly end side of a cross-laminated part...
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JP2555830Y2 |
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JPH09300123A |
To cause oil to be easily supplemented and also easily replaced with new one in a hydraulic operating machine in which a supplying means for supplying oil into a cylinder chamber so as to prevent occurrence of negative pressure within a ...
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JPH09267214A |
To lessen the stroke of a movable dies driving piston member for miniaturizing a cutting machine and improving the convenience for use when a U-shaped section is attachably held by fixed dies and a cutting edge of the movable dies is put...
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