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JP04274816 |
PURPOSE: To manufacture the inside surface double grooved tube for a heat exchanger at the same working speed as a conventional inside surface single grooved tube, to prevent the occurrence of generation of rolling-up and a rupture of th...
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JP04210813 |
PURPOSE: To obtain several times of the reduction of area in a case of cold drawing under the normal temp. by holding an electrically conductive ceramic column with step and fine metallic wire itself at a high temp. by high frequency ind...
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JP04210814 |
PURPOSE: To prevent increase in resistance for drawing by supplying a lubricant in a condition that a compressed air is blown at the dies at the entrance of the inserting holes of a rotor, drawing wire materials and thereby maintaining l...
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JP04200918 |
PURPOSE: To manufacture a high-quality outside-finned tube without partial deformation on the inner surface of tube by using a plug having a tapered surface where a diameter increases gradually toward the reduction direction. CONSTITUTIO...
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JP04197513 |
PURPOSE: To obtain the drawing tube without flow even on the inner surface of the tube with a high yield and the long size coil like metallic tube with a high efficiency by drawing core with the condition satisfying the equation with the...
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JP04190917 |
PURPOSE: To draw a straight product by providing the die plate which holds the die being moved upward and downward with the wedge and which is moved to right and left direction with the cylinder and the working shaft on the stand of the ...
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JP04148893 |
PURPOSE: To obtain zirconium clad with low possibility of stress corrosion cracking, superior mechanical strength and low cost by applying at least once a fabrication process to enlarge the inner diameter without changing the outer diame...
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JP04147713 |
PURPOSE: To present the die being able to use in the high pressure by shrinkage- fitting the blank formed with the hole for drawing at the center to the inside of recessed groove set on the steel case. CONSTITUTION: The hole for wire dra...
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JP04127913 |
PURPOSE: To prepare a die excellent in wear resistance and long in tool life by using a planar diamond manufactured through vapor phase synthetic method for a diamond die. CONSTITUTION: The planar diamond is prepared by the vapor phase s...
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JP04123812 |
PURPOSE: To remarkably improve wear resistance of a die by giving fine cracks on the coated film of a specific thickness fomed on the surface of a tungsten carbide base cemented carbide by chemical vaporized deposit method. CONSTITUTION:...
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JP04123813 |
PURPOSE: To recognize the wear limit for all dies and to improve the line working rate by judging the output value of each position adjuster for dancer rolls set between plural wire drawing machines arranged in series. CONSTITUTION: Even...
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JP04118113 |
PURPOSE: To produce the strip material without generating burning or gnawing by tight contact sealing the inserting side for the strip material with the porous sponge of oilproof held in the sponge guide holder and the exit side for the ...
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JP04061717 |
PURPOSE: To ensure good reliance upon the shield effect by constructing a tape forming jig so that the incoming side has a semicircular opening, while the outgoing side has a spiral opening, which makes the end of a shield tape spiral. C...
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JP04059117 |
PURPOSE: To prevent the buckling from generating by bringing all or one part of the projection in projection and recess worked on the inner circumferential surface of the heat transfer tube into contact with the surface of the plug by in...
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JP04056752 |
PURPOSE: To manufacture an alloy wire rod having a high Barkhausen effect, at the time of annealing the wire rod of an Fe-Ni-Cu alloy having a specified compsn. by hot working and thereafter subjecting this wire rod to cold wire drawing ...
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JP04055014 |
PURPOSE: To obtain the die whose lubricating ability is remarkably satisfactory and in which a flaw called a ring or a crater is scarcely caused by forming a porous structure part in the part against which an element wire hits first in t...
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JP04055015 |
PURPOSE: To easily adjust the wire habit by allowing a supporting body whose position can be adjusted in the vertical, and the left and the right directions to support a holder provided with a die so that the inclination can be adjusted ...
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JP04052023 |
PURPOSE: To exactly manage the temperature of the roller dies and to improve the preciseness of the dimension of fine wire by setting the roller dies immersed in the immersing tank in which the lubricant liquid of constant temperature is...
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JP04046627 |
PURPOSE: To continuously manufacture the thin wall tube having the land and the vertical groove parallel or with a lead angle on its inner and outer surfaces by hardening with diame ter reducing with drawing soft tube stock, working it w...
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JP04046629 |
PURPOSE: To make easy the work for manufacturing the circular tube with the flat part crossing orthogonally with the axial line of the through hole for inserting to the circular tube by opening its lower end to the inner circumferential ...
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JP04037408 |
PURPOSE: To obtain an element wire for steel cord of high fatigue resistance by specifying the cooling speed of the element wire when the element wire is drawn by drawing with a die. CONSTITUTION: In the case the cooling speed ΔT of the...
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JP04022507 |
PURPOSE: To prevent a phenomenon that a wire rod is rolled to the peripheral surface of capstan due to the eddy current, jet stream and splash of lubricating liquid and to increase the revolving speed of capstan that more by filling a lu...
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JP04013404 |
PURPOSE: To simplify a structure by arranging an intermediate pinion engaging with roll driving gears between the roll driving gears set to roll driving shafts of adjacent rolling stands and connecting an intermediate shaft providing thi...
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JP03281007 |
PURPOSE: To obtain a rolling roll superior in the integration of a cylindrical body of a sintered hard alloy with the main body of roll and heat dissipation by interposing the annular metallic spacer of which the coefficient of thermal e...
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JP03275210 |
PURPOSE: To manufacture a steel wire of higher strength, fatigue strength and ductility by specifying the condition for repeatingly bending the steel wire under tension and in the state that the surface temp. is lower than the internal t...
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JP03275209 |
PURPOSE: To obtain a roller die assembly superior in the accuracy of wire diameter by providing a mechanism for exactly positioning the vertical and horizontal parts of the groove of rollers facing to each other and a device for preventi...
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JP03268834 |
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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JP03254323 |
PURPOSE: To prevent the sectional shape after compression from being changed remarkably and element wire from being too short or too over by providing a taper part of an apex angle having a specified angle. CONSTITUTION: A taper part 19 ...
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JP03249232 |
PURPOSE: To enable working of a single fiber material having small shape disturbance or a hardly workable material and to obtain a composite fiber material having high density by bundling core materials in a state symmetrical with respec...
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JP03248711 |
PURPOSE: To easily manufacture a special shaped tube of a few idle space and a long durable life at a low cost by utilizing the dies corresponding to the female tube and the metal core corresponding to the male tube and drawing the two p...
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JP03238116 |
PURPOSE: To To manufacture high purity aluminum e excellent in press formability by using a diamond die for final finishing and using a cemented carbide die of a specific condition at least for one die preceding to this finishing die. CO...
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JP03216211 |
PURPOSE: To draw a wire rod smoothly by supporting the end part of the roller shaft on one side with a pressing screw, supporting one end part of the roller shaft on the other side with an adjusting screw and supporting the other end par...
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JP03204113 |
PURPOSE: To eliminate the necessity to support the plug with the special device and to improve the operational property by forming the plug with the guiding part where the outer diameter of plug end part is smaller than the outer diamete...
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JP03204112 |
PURPOSE: To execute the work of wire drawing of high speed and high quality without defective wire diameter or flaw, etc., by passing the metallic wire material between the electrode roll and the wire drawing device arranged at the presc...
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JP03180206 |
PURPOSE: To cool a drawn wire rod enoughly and rapidly and to obtain a high- strength steel wire with excellent toughness by arranging jet nozzle parts for lubricant and the constituent body of cooling part in which cooling sylindric par...
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JP03174934 |
PURPOSE: To improve wear resistance by making up a part to directly press the wire of a recessed groove and coating its surface with a ceramic layer in an uncurling die to straighten a tungsten wire. CONSTITUTION: In the uncurling die 5 ...
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JP03169402 |
PURPOSE: To manufacture a highly accurate extremely fine square metallic wire without generating the breakage of rolling roll and deterioration of accuracy of revolution by rolling while each of orthogonally crossed rolling rolls is in p...
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JP03151112 |
PURPOSE: To insert a plug into a blank pipe for drawing without scratching the blank pipe by transferring the pipe by clamping both end parts of the blank pipe and moving a supporting roller toward the base end of a plug supporting bar b...
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JP03128115 |
PURPOSE: To make it possible to allow a die box to naturally follow up an exact angle position and to prevent the vibration or oscillation about axes by installing a device for naturally rotating the die box to an exact drawing position,...
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JP03123661 |
PURPOSE: To form a film having uniform thickness to the inner surface of a pipe by providing a rotary blade to the tie rod connected to a perforated floating plug 3 at one end thereof in a freely rotatable manner and fixed to a coating p...
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JP03124312 |
PURPOSE: To manufacture a flat tube in a uniform thickness by pressing the tube to be worked by a flattening die using a floating plug whose end part is formed in a flat shape and forming the tube to be worked flatly. CONSTITUTION: The p...
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JP03124310 |
PURPOSE: To prolong the life of a die and to prevent the bent and torsion of a wire rod by adding a reverse tension acting in the reverse direction to a formation drawing tension to the metal wire rod formed on a modified cross section a...
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JP03124311 |
PURPOSE: To enable the drawing of a high draft by adjusting the spool valve opening of a servo valve so as to be proportional to the square root of the absolute value of the difference in the static pressure applied on a hydraulic cylind...
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JP03114610 |
PURPOSE: To prolong a service life by executing the CVD diamond coating of the internal face of the base material inside hole of a die for wire drawing. CONSTITUTION: A die base material 1 is made by forming and machining the material us...
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JP03090210 |
PURPOSE: To easily obtain a precious metal sheet for ornament of a high plate thickness accuracy without being out on the way by executing drawing by a die having a rectangular hole having larger width thant the plate width. CONSTITUTION...
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JP03077713 |
PURPOSE: To manufacture a metallic wire rod with high glossiness by specifying the formation of nib of ceramic die assembly for drawing. CONSTITUTION: In a die assembly for drawing which has a nib 1 and die case 2 and nib 1 of which is c...
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JP03071914 |
PURPOSE: To reduce frictional resistance between a metallic tube and a grooving plug and to enable high-speed working by revolving the gooving plug for grooving with a generating means for revolving magnetic field which is provided on th...
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JP03060815 |
PURPOSE: To manufacture efficiently a twisted aluminum shapes of high dimensional accuracy by pushing a twisted aluminum material, lead length the of which varies and fluctuates in a shape die with prescribed twisted inside grooves in st...
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JP03035809 |
PURPOSE: To shorten a set time for obtaining linearity of wire in wire drawing of wire-cut wire by mounting a vertical guide block on which a vertical adjuster is provided and a horizontal guide on which a horizontal adjuster is provided...
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JP03023010 |
PURPOSE: To manufacture an excellent die in wear resistance at low cost by forming the film of hard carbon on the inside surface of the hole of die of sintered hard alloy for wire drawing. CONSTITUTION: Under reduction of pressure, hydro...
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