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Patent Searching and Data


Matches 351 - 400 out of 407

Document Document Title
JP57112987
PURPOSE: To cut steel materials efficiently by heating the cutting position of a bar steel at above a specified temperature and under a condition that does not cause recrystallization and forming a notch by rolling. CONSTITUTION: A bar s...  
JP57047596
PURPOSE: To firmly join an Mg alloy and other parts and to eliminate crevice corrosion by internally chilling a member having deformation ability larger than that of an Mg alloy with the Mg alloy in such a way that part thereof forms a p...  
JP57011791
PURPOSE: To make sure sealing by simple operation attach sealing body airtightly to a sealed part by immersing an opening of a tube made of meltable metal having an opening at the tip in molten glass liquid and pulling up after closing t...  
JP56163002
PURPOSE: To mass-produce shapes coated with stainless steel, excellent in the corrosion resistance, at a low cost, by build-up welding a stainless steel, in a thickness adjusted in consideration of the metallic flow to be caused during t...  
JP56154293
PURPOSE: To perform stable repair without degrading adhesiveness and corrosion resistance by forming a surface covering layer through applying ultrasonic vibrations to the metallic wire material and weld zone in a molten state. CONSTITUT...  
JP56031472
PURPOSE: To form a cured surface layer efficiently by a method wherein a paint coating is formed on a necessary portion of an article to be treated such as a NC apparatus in a desired pattern by using a paint containing a curing agent mi...  
JP55117584
PURPOSE: To enhance laser light absorptivity and readily make possible surface alloying by coating the element-coated layer by the metal of the reflectance equal to or lower than that of the base metal main component at the time of melt-...  
JP55077973
PURPOSE: To eliminate the need for cutting blades and cut always a fixed amount of solder under superior workability by leading out a strip-form solder foil from a reel, holding its end part with upper and lower clampers, supplying curre...  
JP55019432
PURPOSE: To increase damping ability by providing a multiplicity of grooves of the specific size on the surface of a metal material, crushing the grooves through plastic working and impregnating resin therein. CONSTITUTION: A multiplicit...  
JP55018368
PURPOSE: To reinforce thin metal tubes being used as house gate and fence materials by lining inside surface of thin metal tubes such as aluminum, with steel plate as lining material tightly fixed therein. CONSTITUTION: Steel plate 3 to ...  
JP55001970
PURPOSE: To improve the toughness of the sleeve inside extremely, by applying plastic working to only the inside of sleeve for shrink fit by pressurizing. CONSTITUTION: A sleeve 2 is preliminarily heated to a tmperature capable of applyi...  
JP54151536
PURPOSE: To provide both side clad steel of less work hardened base material and free of thickness variations, a first clad material is explosion contacted to base material surface, a second clad material is placed in the back of the bas...  
JP54151537
PURPOSE: To provide crack-free clad plate in explosion contact, base and clad materials are faced so that the base material rolling direction is at right angle to one transverse direction of clad material. CONSTITUTION: Base material 1 s...  
JP54151538
PURPOSE: To effectuate stabilized quality products, reduced non-contact area, and enhanced reliability in metal explosion-contact, base and clad material strains, base and clad-on-base material synthetic strain, and the ratio of syntheti...  
JP54150351
PURPOSE: To restrict the generation of the defective alloy layer, and to inexpensively manufacture the explosively clad plate, by initiating the explosion from the point, offset from the weld line, at approximate middle of the clad metal...  
JP54149348
PURPOSE: To prevent the defect, such as cracking of initiating part circumference or transformation etc. and to obtain the metal composite materials having a good joining condition, by setting high explosion velocity explosives in and ar...  
JP54149347
PURPOSE: To improve the specific strength of joining part of different kind metal joint and not to produce the concentration of stress, by decreasing the thickness of tip part side of joining overlapped part having the dislocation of dif...  
JP54147156
PURPOSE: To prevent the generation of the crack while working the explosive pressure welding, and to manufacture the composite matallic sheet of excellent quality, by previously holding the metallic material, being readily causable the l...  
JP54147155
PURPOSE: To manufacture the titled clad material which is free from the generation of non-pressure-welded zone, cracks, etc., at the explosion work, by making the angle of the butted and offset portion of at least two sheets of the raw m...  
JP54145360
PURPOSE: To manufacture a high quality and cheap long-size pipe-clad steel of excellent weldability by the procedure in which a doubling material is attached closely to the inside of base metal, the end portion between the doubling mater...  
JP54143747
PURPOSE: To prevent abnormal discharge and to make possible the electro-hydraulic expanding method to be applied to setting the pipe to the tube plate, by protruding the insulating cartridge for filling the liquid, out of the tube plate ...  
JP54137458
PURPOSE: In electromagnetic solid welding of two metal pipe, the overlapped portion is properly arranged so that welding of high mechanical strength is provided by reducing deformed or damaged appearances. CONSTITUTION: A pair of differe...  
JP54137459
PURPOSE: In electromagnetic solid connection of two metal pipes, Ni-Sn alloy, etc. is used for overlapped joining of the two pipes, thereby providing connected joint having a good mechanical strength and corrosion resistance. CONSTITUTIO...  
JP54126647
PURPOSE: To reduce the energy consumption and to shorten the working time, and to carry out good work, by heating to melt the part to be worked of the metal to be worked, and by injecting the liquefied gas at an ultra cool condition to t...  
JP54096459
PURPOSE: The clad plate free from the quality deterioration, in which the carburization phenomenon into the cladding material like as austenitic stainless steel, nickel, etc., is restricted, by employing an extraordinary low carbon steel...  
JP54094458
PURPOSE: To provide a joint section excellent in mechanical strength by a slid-phase electromagnetic joining of metal pipe bars of different or the same kind after one joining end thereof is fitted into the other through a metal-coated l...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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, ...  
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...  
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.  
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...  
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...  
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...  
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...  
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 ...  
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...  
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.  
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 ...  
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.  
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.  
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.  
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.  

Matches 351 - 400 out of 407