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JP54092554 |
PURPOSE: To make obtainable the delicate, sharp pattern, by limiting the clad ratio and the gauge of the stainless steel to be pressure welded to the parent metal of extremely soft extra-low-carbon-steel. CONSTITUTION: The 0.03W0.15mm th...
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JP54089961 |
PURPOSE: To secure the antirust property and to hold good workability, by pouring the molten metal of the ferrit stainless steel of suitable composition into the mold provided with the slab of the plain steel, and by limiting the thickne...
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JP54077257 |
PURPOSE: In mutual pressure-butt-welding of pipes having different hardness, a soft pipe has an edge with a fat wall thickness, and a hard pipe has an edge with a wedge shape. The wedge is pressed into the fat wall to provide a tightly c...
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JP54071750 |
PURPOSE: To carry out the scarfing treatment without inspecting flaws generated in the surface of the steel material, by supplying the high-frequency current to the skin layer of the steel material, and by blowing the reducing agent and ...
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JP54066359 |
PURPOSE: To obtain three layers clad material putting stainless steel plate between a part of copper plate in metallic combined state, by carrying out butt welding of the copper plate and stainless steel plate in a body and then, carryin...
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JP54064051 |
PURPOSE: To obtain a high strength bonded portion without dialocated bonded position and local deformation and dents after bonding by the procedure in which a metal powder is placed between the bonding surfaces of metals and then sintere...
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JP54038247 |
PURPOSE: To bond frmly two kinds of metals, by fitting the metals of different kinds, interposing an intermediate metal layer having satin surface between the above metals, passing the high frequency induction current and, in this way, p...
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JP54037048 |
PURPOSE: To prevent occurrence of disater due to an accidental explosion, by relating operation of a safety apparatus with opening and shutting of a door of an explosion chamber, wherein priming is improssible when the door is opened, an...
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JP54035439 |
PURPOSE: To get a small furnace workable in a highpressure, high temperature atmosphere, by fitting electrically insulated cylinders for holding heaters to the heaters to the furnace and connecting their corresponding heating elements wi...
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JP54033849 |
PURPOSE: To provide the subject method and case wherein an explosive case in which a protruded part is formed from the center of the bottom part is inserted in the inner side of a metal tube to be inserted in a steel hole, and exploded, ...
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JP54028255 |
PURPOSE: To manufacture the Hastelloy-clad steel plate with superior bendability free from deterioration of the strength, by explosively pressure welding the Hastelloy plate to the anstenitic stainless steel plate, before applying the so...
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JP54024245 |
PURPOSE: To obtain the spliced zone with superb strength, by first tightly fitting to each other of end parts of the metallic pipe or rod to be spliced, and then, by carrying out the specified electromagnetic solid phase splicing.
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JP54024246 |
PURPOSE: To obtain the spliced zone with superb mechanical strength, by fitting to each other of end parts of the metallic pipe or rod interposing an intermediate layer of iron or cobalt, and then, by carrying out the specified electroma...
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JP54024247 |
PURPOSE: To prevent the oxidation for obtaining the spliced zone with superb strength, by first fitting each other of end parts of being spliced, of nonferrous metal pipe or rod, and then, by carrying out the specified electromagnetic so...
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JP54024248 |
PURPOSE: To obtain the spliced zone with a superb strength, by first fitting each other of end parts of being spliced of the metallic pipe/rod interposing a specified metallic layer, and then, by carrying out the electromagnetic solid ph...
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JP53147642 |
PURPOSE: To facilitate joining of sections with a complicated shape through cutting of works by means of a development applied thereon after plotted with development and analysis data of a mutual penetration line inputted into a computer...
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JP53144445 |
PURPOSE: To accomplish the setting of the explosion point close to the surface of a tube plate proviously impossible by means of a dummy tube plate mounted to the surface of the plate beforehand, where a detonation element is placed, in ...
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JP53138958 |
PURPOSE: To manufacture the explosive rolling clad steel, having a good pressure welding, with a good yield and simple device, by carrying out hot rolling after carring out seal weld of outer circumference mixture material and base metal...
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JP53137058 |
PURPOSE: To make possible the high speed welding for manufacturing the pipe from a sheet coil by the pipe-rolling-mill, by employing the energy beam alone or together with the TIG welding.
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JP53137059 |
PURPOSE: To carry out the highly efficeint welding with defectless good beat shape using a low heat-input in the welding for forming the line pipe for use of ultralow temperature, by employing the energy beam alone as the heat source or ...
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JP53137044 |
PURPOSE: To perform stable high speed arc welding by using a TIG arc, MIG arc or plasma arc heat source as the preceding heat source and using energy beams as the succeeding heat source.
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JP53133552 |
PURPOSE: To uniformize the temperature rise due to the induction heating over the entire worked portion, by attaching the insulating material to the joint portion, etc., of the worked body.
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JP53131254 |
PURPOSE: To attain good diffusion joining without producing oxides by forming coating layers made of specified metal on a copper tube and an Al tube and joining both thej tubes by an elecromagnetic solid phase joining method.
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JP53120610 |
PURPOSE: To obtain the jointed sintered body cheaply and easily, by pressure bonding or coagulation bonding the metal powder by compression inside the hollow metal shaft and, after that, by heating and diffusing at the prescribed condition.
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JP53119255 |
PURPOSE: To easily obtain an arbitrary insertion depth, to contrive to make the heat of induction heating to be efficient, and to obtain the good bonded portion, by forming the insertion restricting portion at least in one of tubular bod...
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JP53102250 |
PURPOSE: To prevent occurence of damage through corrosion or corrosion cracking by clothing a turbine rotor with austenitic stainless steel on the surface through explosive welding.
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JP52143764 |
PURPOSE: To reduce production costs by connecting metal to the surface comprising solidifying of a conductive bonding agent by compression-bonding.
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JP52122490 |
PURPOSE: To strongly adhere and fix an oscillator piece on a holding base, by means of forming a minute unevenness on the AU surface of a crystal oscillator piece and holder base.
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JP52041887 |
PURPOSE: The compression tool utilizes the combustion gas pressure due to gunpowder, and is small-sized and light-weighted, and has a good working performance and is used for both transmission lines and distribution lines.
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JP52008549 |
PURPOSE: The method to obtain an automatic best conditioned electric heating irrespective of variation of the winding on the material for heating.
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JP52008548 |
PURPOSE: Automatic heating to a certain temperature is to be obtained irrespective of the variation occurred on the load in the number of turns and/or wire gauge.
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