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JPH0494827A |
PURPOSE: To enable continuous operation from a 2nd time, to return a clutch part to the starting position and to automatically stop a motor when completing a 1st operation by motorizing work for rolling and expanding the end face of pipe...
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JPH0417733B2 |
A continuous external flare (16) is formed around the end of a metal tube (15) which is of elliptical cross-section by attaching a connector member (24,28) to the tube (15) and thereafter consequentially affixing to connector member (24,...
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JPH0481239A |
PURPOSE: To enable working having high concentricity, which axis center of a tubular member itself accurately corresponds to center of the worked part, by arranging a pipe holding member and an engaging part for executing positioning of ...
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JPH0459142A |
PURPOSE: To smooth a part to be wrinkled flatly and to prevent wrinkles from generation by inserting an ironing die into a tube stock and relatively moving the ironing die at the stage before the ironing die is removed. CONSTITUTION: The...
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JPH0428433A |
PURPOSE: To form diameter expanded parts with a punch at both ends to reduce a manufacturing process once a tube is clamped by providing a jig to clamp the middle part of the tube and a diameter expanding machine composed of a punch or a...
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JPH0412332U |
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JPH03291120A |
PURPOSE: To smoothly rotate and revolute the ball even if the deforming resistance of a work becomes large by forming the spherical seat to seat the ball on the ball supporting component and providing also the moving mechanism to move th...
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JPH03281020A |
PURPOSE: To easily expand the end part of the thick wall pipe at the prescribed position by making the tapered surface of the pin in contact with the dies to the hexa-drill shape. CONSTITUTION: The thick wall pipe is set at the expanding...
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JPH03268834A |
PURPOSE: To manufacture the above swaged tube with a high yield by grasping a tube freely rotatably, reducing the external diameter of the tube between inclined rolls, then, releasing the grasp of the tube. CONSTITUTION: Three or more in...
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JPH03106227U |
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JPH03243229A |
PURPOSE: To prevent water from leaking from between a seal member and an inserting part by peeling the synthetic resin layer of an end part, exposing the inner peripheral surface of a metallic tube, sticking a seal member having a cylind...
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JPH0368771B2 |
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JPH0367769B2 |
PURPOSE:To prevent a punch from slipping and to form a strong punch engaging part by executing a specific working to the part of a tube stock inserting the tube stock into a die and ironing the tube stock as the punch is inserted into th...
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JPH03226327A |
PURPOSE: To obtain a product low in cost and good in quality by forming the end part of a tube stock into a nearly conical shape and spinning a conically formed part. CONSTITUTION: The tube stock 3 is fixed and supported by a fixing/supp...
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JPH0360568B2 |
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JPH03210928A |
PURPOSE: To stably set a pipe expander with an simple operation to the tip of a pipe by inserting its tip side into the pipe, moving inner and outer axes relatively and deforming a stopper between both pressurizing plates elastically. CO...
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JPH0356813B2 |
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JPH0356814B2 |
PURPOSE:To eliminate the need for a stage for cutting a relief groove by drawing the open end of a bottomed cylindrical blank material having a tapered shoulder part to form a seat surface consisting of a semispherical surface having a l...
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JPH0337802Y2 |
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JPH0351502B2 |
PCT No. PCT/SE83/00110 Sec. 371 Date Oct. 27, 1983 Sec. 102(e) Date Oct. 27, 1983 PCT Filed Mar. 25, 1983 PCT Pub. No. WO83/03374 PCT Pub. Date Oct. 13, 1983.Method for the manufacture of a conical tubular member, and a conical tubular m...
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JPH0335459Y2 |
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JPH03165939A |
PURPOSE: To prevent the distortion in the opening end part of a can barrel to perform necking-in by reducing the diameter of the opening end part of the can barrel through a spin roll and a work roll as the point of the opening end part ...
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JPH03154724A |
PURPOSE: To perform fastening work rapidly and automatically and reduce the frequency of reassembling in large degree by performing the feedback control of fastening torque to a thread fastening means while monitoring the rotational torq...
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JPH03146233A |
PURPOSE: To improve the stability of working in cold forming and working of a metallic pipe by interposing a die between a pair of crank motion pressurizing mechanism and synchronously advancing and retreating the pressurizing mechanism....
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JPH0340651B2 |
PURPOSE:To simplify an opening punching device, to reduce a punched removed material, and to improve a yield by forming an opening of a small diameter on the bottom face of a bottomed cylinder part formed from a plate material, and there...
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JPH0362635U |
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JPH0338008B2 |
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JPH0338009B2 |
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JPH03133529A |
PURPOSE: To reduce strain concentration and to prevent the generation of crack and necking by expanding previously a tubular end part into complete roundness and next performing working into a special shape at the time of working the end...
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JPH0333416B2 |
A two stage impact beller has a rod driven pinch bullet that pre expands an end of a heat exchanger tube, and a belling tool which follows the pinch bullet. This die is generally bell shaped with a flared out proximal end. A jaw assembly...
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JPH03114621A |
PURPOSE: To work the pipe end to the objective measure and shape in a short time with high efficiency by clamping the metallic pipe from the peripheral direction, covering the upset punch having the inner conical working surface part and...
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JPH0321773Y2 |
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JPH0321772Y2 |
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JPH0328966B2 |
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JPH0394927A |
PURPOSE: To perform sound bulging by actuating a 2nd compression punch to the end face of an opening part of a cylinder body and compressing a cylinder body formed wall to promote bulging under the regulation of the inner surface of the ...
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JPH0328251B2 |
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JPH0371936A |
PURPOSE: To prevent the length of a faucet part from becoming shorter than a prescribed length by arranging plural rubber bodies in a tube end part forming the faucet part in parallel in the direction of a tube axis, pressing the tube en...
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JPH0331024U |
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JPH0366432A |
PURPOSE: To form a spherical surface excellent in working precision by expanding the diameters of both end parts of a prescribed metallic tube stock at a 1st stage and bending those end parts into a spherical shape at a 2nd stage. CONSTI...
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JPH0366429A |
PURPOSE: To easily execute the blocking work by bringing the object to be worked into press contact with the working jig having the prescribed hardness and the heat resistance while the object to be worked is rotated at a high speed and ...
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JPH0316206B2 |
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JPH038412B2 |
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JPH036850B2 |
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JPH03500434A |
PCT No. PCT/SU88/00141 Sec. 371 Date Feb. 28, 1990 Sec. 102(e) Date Feb. 28, 1990 PCT Filed Jul. 25, 1988 PCT Pub. No. WO90/01116 PCT Pub. Date Feb. 8, 1990.A power actuator comprises an enclosure (5) separated by transverse partitions (...
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JPH0313238A |
PURPOSE: To obviate such failures as a shaft falls out, becomes loose, etc., to simplify the work process and to shorten the manufacturing time by bringing the outside diameter of a joint of a roll part and a shaft part of a hollow shaft...
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JPH03253Y2 |
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JPH0257887B2 |
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JPH02144232U |
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JPH0256167B2 |
PURPOSE:To permit exact with a simple operation by controlling the movements of respective drawing rolls so as to follow the movement of a master drawing roll by the position signals for the respective drawing rolls and the position sign...
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JPH02284728A |
PURPOSE: To suppress the generation of wrinkle of an inside pipe and to improve the threshold of a pipe reducing by fitting a restrain pipe to the inner side of double pipes, integrating only the front end on a reducing side by welding t...
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