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JP11081656 |
To provide a means capable of forming non-slip projections on the surface and back face plate sections very easily at a low cost and capable of applying non-slip machining without troubles even if a scaffolding board is long as a manufac...
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JP11077300 |
To efficiently form an excellent welding joint of stainless steel by a simple equipment. The arc energy density is increased by converging the arc using the argon gas in which hydrogen gas of 1-7% is mixed as the shield gas. As for the d...
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JP11077299 |
To simplify the shape of welding bevel and to improve the quality of a welded part by overlapping plural welding beads equalizing number of layers and number of passes under shielding gas atmosphere while supplying the main shielding gas...
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JP11077318 |
To prevent a welding electrode from pick up due to a black skin of a hot rolled steel strip and to stably weld steel strip end parts each other without lowering productivity. This welding method is so that a rear end part of a preceding ...
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JP11077384 |
To obtain stabilized welding strength by making a frame connection structure of a hollow aluminum alloy easy to hold an arc length in welding to a fixed length. Both frames 1, 2 are connected by fitting an inner piece 3 spanning both fra...
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JP11074391 |
To accurately attach an inner cylinder in the inner cylinder welding method of a Dewar for welding the inner cylinder of the Dewar to a case. As indicated in a step ST1, an inner cylinder 15 is positioned so as to match the center of a f...
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JP11070877 |
To provide a structure composed of an extruded light metallic section and a composite panel light in weight to be combined with the aforesaid section. A composite panel 37 has a plastic core 32 combined with outer sheets 33 and 34 made o...
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JP11058036 |
To carry out friction welding without deforming an object to be welded or causing weld defects in forming hollow members such as an extruded material or a honeycomb panel. In continuously welding two extruded materials 1, 2 in a weld lin...
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JP11058000 |
To provide the fillet welding method of a steel plate, which does not increase a required cost for edge preparation, and in which edge preparation is easily conducted, satisfactory depth of penetration and accordingly a joint having high...
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JP11058017 |
To provide a method and an equipment for the TIG welding which are capable of greatly improving deposition efficiency even when the balance of the force to be applied to molten pool are easy to break in a vertical position welding or an ...
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JP11058039 |
To restrain the concentration of stress on a joined part and to improve the reliability to the strength of the joined part by integrally forming projections for joining on the lapping side surface of a first work, abutting to the lapping...
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JP11058064 |
To obtain a member which can secure the sufficient depth of penetration over the whole body in the welding line direction and obtains a welded joint excellent in strength, by making the thickness of a root face at the position applying a...
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JP11058060 |
To improve fatigue strength in a weld zone without lowering productivity in connection with a jig for laser butt welding and weld zone structure by laser butt welding. In a welding jig 2 for supporting welding members 3, 4 from the rear ...
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JP11047925 |
To perform a welding having excellent beautiful appearance and sufficient strength with a low cost equipment by forming a slit having depth in the front and rear surfaces on a welding line in at least the second plate material so as to r...
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JP11047827 |
To prevent the generation of a blob-like projection by specifying the V angle of the V-shaped butt parts of an open pipe formed of both ends of a band steel bent and formed to an open pipe form and a point where these ends and a pass lin...
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JP11050180 |
To obtain a welded structure small in welding strains by composing a part or the whole of a welding structure of an Al alloy having a specified compsn. contg. Si and Mg and allowing it to be joined by friction welding. At the time of pro...
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JP11049027 |
To provide a welding structure excellent in work efficiency able to perform spot welding of small thermal influence, in connection of a closed sectional hollow material. In a wall surface 2a of a front side frame 2 of a closed sectional ...
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JP11033747 |
To obtain the junction of a copper pipe and an aluminum pipe, wherein the joint area is large, hermeticity and reliability of the joint strength are high, and the hermeticity is maintained sufficiently against a mechanical distortion. A ...
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JP11033749 |
To provide the method for joining workpieces by friction mixture joining wherein a secure joint having no lack of thickness can be formed and both the workpieces can be joined to form a neat-looking butt joint without a projection, depre...
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JP11033737 |
To make possible the welding of different metal materials or the same metal materials which are good in thermal conductivity by installing one or more supplemental groove along and near the weld groove; wherein a second welding material ...
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JP11028581 |
To join both works firmly with the insertion depth of a probe shadowed by fitting a second work into the groove of a first work and making the friction stirring prove act on the body part of the second work from the other surface of the ...
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JP11028583 |
To prevent clearance and opening of a but part and to improve the efficiency of joining working by executing joining work with a friction stirring probe on condition that integrally formed hooks are engaged with each other at the butt ed...
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JP11022086 |
To provide a mullion which looks good when seen from indoors and which has increased rigidity. A decorative part is provided on the indoor surface 11 of an indoor member 10 made of hot extruded shape steel, and a groove 12 is formed on t...
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JP11019791 |
To perform the butt welding of the thick metal plate so that a deformation caused by a welding angle and shrinkage do not generate and weld defects do not generate. On the butted surface part of two thick metal plates 1 to be joined, man...
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JP11022872 |
To provide a pipe fitting which is made of a material that is likely to have weld cracks, and a method for connecting the pipes. This fitting part A includes a pair of fitting parts A1, A2, which comprise pipes 1, 2, having respective pi...
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JP11013132 |
To improve yield strength of welded joints by forming a bevel on a butt end face of a horizontal stiffener at a column side having a high strength and a large thickness and also forming a vertical butt end face of a flange portion having...
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JP11010223 |
To control the cutter position of an edge preparing device for spiral steel tubes by following a seam. Two CCd cameras are moved in the direction of a y-coordinate axis and their positions are detected with a camera position output unit....
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JP11010383 |
To reduce the load per unit cross section in a welded part in the case of applying a welded joint to a hydraulic shovel, etc., and to improve the durability without large scaling of a welded member by applying the tip- bending at the tip...
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JP11005179 |
To realize a friction welding method without a generation of unwelded parts by installing a grooved backing plate on the reverse face of a workpiece right under a tool, which is inserted to the welded part of the workpiece and moves whil...
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JP11005180 |
To obtain a welded structural material which has less welding distortions by friction welding for jointing. A part or all of the welded structural material consists of the aluminum alloy containing a given weight portion of Si and Mg. A ...
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JP11000760 |
To attain strong bonding by providing a filler metal filling space of a specific range between a base material made of a filler metal clad brazing material and a member made of an Mg-containing Al alloy material, heat- brazing with the u...
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JP10328856 |
To effect friction welding for a hollow member such as an extruded shape or a honeycomb panel without causing deformation or weld defects in a work. In continuously welding two extruded shapes 1, 2 in the weld line direction by inserting...
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JP10328855 |
To prevent the reduction of conductivity and mechanical strength in the joined part, in the joined body of such conductive different kinds of metal as copper and aluminum used in a transformer terminal or the like. The joining device 3 p...
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JP10328887 |
To easily and rapidly execute the setting work of a square tubular shape, to improve its setting workability and to reduce the fit tolerance while utilizing the advantage of the manufacturing method of the welded structure directly and m...
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JP10323755 |
To attach a jacket with high welding quality on a tank and the like by fixing the inner and outer radius of the inner rim of the cylindrical-shaped joint material for the jacket to the periphery of the tank with circular weld and fixing ...
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JP10324164 |
To provide a metallic container, particularly a fuel tank made of steel, by which the metallic container can be improved, the flange does not act as an obstructive element, the assembling space of the fuel tank is not increased more than...
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JP10323721 |
To provide a method of fabricating a saddle flare for facilitating the work and for reinforcing a tube by extending the blazing area. In a branched tube 4 having a hole on the side with protruded edge with the end of the branched tube 4 ...
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JP10322984 |
To ensure high dimensional accuracy and provide a joint between a bracket and a motor case body with sufficient rigidity and strength by separately fabricating the motor case body and the bracket, fitting and securing the bracket on the ...
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JP10314946 |
To provide a submerged arc welding method which is free from incomplete penetration in the welding of a box column corner joint and which is capable of a weld zone superior in crack resistance at high temperature. In welding a Y-shaped g...
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JP10314964 |
To provide a different kind metal joined material which is improved in a fatigue crack propagation resistance characteristic at a joined part in a joined maternal of different kind metals of different hardness. In a joined material of di...
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JP10317491 |
To mutually joint two column members without performing welding requiring skill with regard to the end faces of steel framed members. A joining member 12 is composed of the first joining member 18 of a square cross section and a cross ty...
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JP10305370 |
To obtain the joining apparatus suitable for a mass processing, construction of which is inexpensive and working hour is short, by conducting a heat welding for the metal pipes, first having their fitting faces treated a brushing, and ap...
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JP10296433 |
To provide a high frequency brazing method for an aluminum tube capable of surely and satisfactorily joining both tubes without generating a crack in a socket part in inserting a tip part of one of an aluminum tube into an expanded socke...
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JP10291086 |
To provide a welding method free from cracks in thermal sprayed coating, in welding to a furnace wall panel a square panel with a sprayed coating formed. The method is such that a prescribed area of a furnace wall panel 1, to which a the...
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JP10277744 |
To manufacture with high efficiency a welded tube with high performance, which an satisfy its specification satisfactorily to a line tube to which low temperature toughness in -30°C or below in a thick wall (35 mm or over) is required. ...
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JP10263852 |
To provide a friction stirring joining method for a metallic joining member, a method that brings a highly reliable joined condition without causing welding defects even in the presence of a gap in the abutted part of the joining member....
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JP10263823 |
To eliminate the residue of an undeposited part on the joint part of the clad plate, and to improve fatigue strength by butting the clad plates whose titanium layers of joint parts have been omitted, after covering exposed plate surfaces...
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JP10263810 |
To construct a steel frame structure safe against an earthquake load by forming outer grooves opened on the outside of flanges on the upper and the lower flanges of the tip part of the steel frame beam consisting of a wide flange shape w...
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JP10258378 |
To provide the laser beam welding method and its device capable of generally improving a welding process and increasing the feeding speed of welding. In order to weld with a laser beam two metal plates 2 superposed in the place of a flan...
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JP10258361 |
To provide the horizontal position MAG welding method capable of welding with high welding efficiently and low costs and obtaining an excellent bead appearance. In a strap 4, a taper is provided in the corner part wherein the side surfac...
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