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JPS6112550U |
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JPS60244421A |
PURPOSE: To groove stably a diametrally drawn pipe without breaking said pipe in the stage of grooving the inside surface of said pipe by means of a grooving plug and a planetary rotating roll by bringing gradually the roll into proximit...
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JPS6039126Y2 |
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JPS6049054B2 |
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JPS60216928A |
PURPOSE: To give sufficient intensity to the bearing of a roller, to increase a working speed and to elevate productivity by installing a working roller, working roller shaft and bearing as a cantilever to the main shaft in the direction...
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JPS60157024U |
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JPS60184428A |
PURPOSE: To form a base material by a press without deforming a minute porous part of the base material by forming a bead part and an outside periphery bend part by a projecting part, in a state that a plate base material is formed to a ...
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JPS60177917A |
PURPOSE: To make desired groove working easily by making taper of a die equal in edge length with edge line length of a tapered cylindrical body and making the number of rotations at both ends of the die and cylindrical body equal when f...
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JPS6038216B2 |
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JPS60162533A |
PURPOSE: To improve the accuracy of a shape, etc., by setting the maximum outside diameter of an inner die and the minimum inside diameter of an outer die so that the press-contact part becomes linear and also a product can be drawn out ...
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JPS60126214U |
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JPS6036326B2 |
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JPS6036325B2 |
PURPOSE:To process the outer and inner surfaces of a long-sized metallic pipe into the prescribed shapes by advancing the pipe with the aid of the rotating force of rolling rolls, by revolving and rotating the rolling rolls which press t...
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JPS6033589B2 |
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JPS60145230A |
PURPOSE: To form a titled fixing groove free from the need for an adhesive by press-forming a groove, consisting of a semicircular plane and vertical planes joined to both sides of the plane, in a flat sheet, and squeezing the groove int...
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JPS60137526A |
PURPOSE: To obtain a form rolling machine that enhances its efficiency by attaching a working head at the end of a hollow shaft of the rotor of a motor through which a work can pass and rotating the working head together with the hollow ...
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JPS60130436A |
PURPOSE: To produce a change drum for a reduction gear with excellent productivity and low cost by inserting an inside die having hollow lines into a steel pipe, putting an outside die having the projecting lines corresponding to the pos...
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JPS6023058Y2 |
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JPS6023061Y2 |
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JPS6023894B2 |
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JPS6020098B2 |
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JPS6020097B2 |
PURPOSE:To manufacture dies for forming a gasket easily by forming dies of a male die and a female die for press forming a metallic gasket forming a projection for forming bead using a steel plate in a slit provided in an iron base plate...
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JPS6014477B2 |
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JPS6056418A |
PURPOSE: To manufacture a grooved pipe with a good productivity and at a low cost by forming a groove on the surface of a band plate material made of steel, making it cylindrical, welding as one body the butt surface of its longitudinal ...
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JPS6012131B2 |
PURPOSE:To advance a long sized metallic pipe and to work the outer and inner surfaces of the pipe into a prescribed shape by the rotating force of an outer- and- inner-surface working machine, by arranging said machine at the post stage...
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JPS6012143B2 |
PURPOSE:To automatically accomplish the detection of steel balls in a absorber to be used in the control rods of a reactor, the distance measurement between the steel balls, and the dimpling operation by combining a constant speed feedin...
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JPS6012132B2 |
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JPS6028915U |
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JPS607234B2 |
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JPS6033816A |
PURPOSE: To increase the mechanical strength of a metallic tube by providing plural cut grooves to the outer peripheral surface of a floating plug along the drawing direction and at equal intervals in the peripheral direction so as to sa...
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JPS6033814A |
PURPOSE: To improve the processing speed of a metallic tube with grooved inner surface and to make the double-grooves forming process easy by arranging the 1st and 2nd inner surface-groove processing parts on a straight line and installi...
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JPS6033815A |
PURPOSE: To prevent tool wastage and to enhance its operating efficiency by using a sintered hard alloy for the rugged surface of a tool base metal and coating its surface to the prescribed thickness by a hard coating layer of Ti-carbide...
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JPS6033846A |
PURPOSE: To form a groove having high flight depth at a high working speed in the stage of forming a groove for attaching fins on the outside surface of a tube by pressing a speed-adjustable discoid tool to the outside surface of the tub...
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JPS6024422U |
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JPS6020820A |
PURPOSE: To improve the accuracy of a chamfered oblique surface and the evenness of an end face by repeating a feed corresponding to the height at the time when a winding bush is obtained and the molding of a V-groove, and cutting off a ...
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JPS606223A |
PURPOSE: To form a vertical bead on the side wall of a pressed product without galling by attaching a rolling body which rolls while pressing the side wall of the pressed product to either side wall of an upper or lower blank holder and ...
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JPS604797A |
PURPOSE: To obtain the heat transfer tube of a high performance and reduce the cost thereof by a method wherein the configurations of the grooves on the inner surface of the tube are changed in accordance with the positions of the tube. ...
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JPS603916A |
PURPOSE: To manufacture a titled tube with high productivity by disusing ordinary expanding and reducing processes in size and thickness performed by a die and a floating plug and organizing said process with two processes. CONSTITUTION:...
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JPS60127B2 |
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JPS59229240A |
PURPOSE: To form a projected pattern on the upper face of a hollow shape by inserting a wedge plate superposed in wedge shape and a lower die plate having projected die face on the upper face into the hollow part of a supported hollow sh...
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JPS59220225A |
PURPOSE: To make a projected pattern on opposite side walls of a section by bringing a female die and a male die that can move back and forth on the outside and hollow part of a hollow section, providing a projected part corresponding to...
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JPS59202397A |
PURPOSE: To enhance a boiling heat transferring property, by a method wherein the top surfaces of ridge parts provided on opposite sides of a groove are formed to be smooth surfaces, and the width in the circumferential direction of an i...
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JPS59202124A |
PURPOSE: To enable sure extrusion-drawing and grooving by expanding the diameter of a pipe by a floating plug and exerting thrust on the floating plug with a stock pipe. CONSTITUTION: A floating plug 1 of which the outside diameter in th...
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JPS59174240A |
PURPOSE: To obtain a roll forming product having excellent accuracy and strength by rolling a work back and forth along working faces of form rolling tools while pushing the work between rolling tools. CONSTITUTION: A material 56 to be w...
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JPS59140983U |
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JPS59141325A |
PURPOSE: To produce easily a metallic pipe having grooves or projections on the inside surface by reducing the pipe by plural pieces of revolving planetary rolls in the position before drawing the pipe while feeding axially the pipe by d...
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JPS59141326A |
PURPOSE: To produce easily a metallic pipe having grooves or projections on the inside surface by reducing the pipe by plural revolving planetary rolls prior to drawing of said pipe while feeding axially the pipe by drawing and pressing ...
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JPS59133914A |
PURPOSE: To form a skid having a plural stiffening grooved parts by pressing first a central grooved part and pressing successively grooved parts at both sides in forming a skid for transportation having parallel stiffening grooved parts...
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JPS59110104U |
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JPS5928418B2 |
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