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JP2012187630A |
To provide a bevel shape that prevents an arc, wire and beam from penetrating through or running around the rear side even when a route portion has a route gap, and attains high-quality and stable penetration welding.The bevel shape, hav...
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JP2012179631A |
To provide a method of welding copper plates securely by emitting a laser beam.Groove faces 6 where recessed grooves 4 each having a groove depth of ≤0.5 mm are formed at the pitches of 0.2-0.5 mm in the direction of 30-90° in an angl...
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JP5011341B2 |
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JP4982513B2 |
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JP2012135796A |
To provide a butt welding method which causes no welding defect regardless of the irregularity of end face (cutting cross section) of a material to be butted.The facing end faces 10A and 12A of plate materials 10 and 12 to be butt-welded...
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JP2012122388A |
To provide a welding method for a hollow engine valve capable of improving the quality of a welding part.In the welding method for a hollow engine valve obtained by welding valve umbrella member 11 of a hollow shaft shape having an umbre...
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JP2012110899A |
To provide a joint structure in which a tube member having a polygonal cross-section can be joined to a flange surface of a flange by full penetration welding with a favorable strength margin, without imparting unreasonable force to the ...
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JP4952892B2 |
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JP2012101249A |
To provide a method for welding a plate-like strip material, capable of preventing fracture when deformed-cross-section-working is applied to a coil welding part, capable of improving productivity of a deformed cross section strip materi...
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JP4942962B2 |
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JP2012096244A |
To solve the conventional problem in which formation of a root gap (root opening) between both butt end surfaces is troublesome, the formation of the root gap being needed when bending a flat plate in a cylindrical shape and mutually wel...
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JP4928048B2 |
A laser-assisted friction stir welding method for joining workpieces, that includes the step of providing a side face for each workpiece between first and second workpiece surfaces, each side face shaped such that, in a pressed-together ...
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JP4883014B2 |
To provide an aluminum accumulator welding structure and welding method reducing a welding failure to attain the smooth flow of a refrigerant in a tube. The accumulator is composed of heat exchanger piping 4 made of aluminum; an accumula...
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JP4879205B2 |
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JP4883019B2 |
To provide an aluminum accumulator welding structure and welding method capable of reducing welding defects and providing smooth flowing of an in-pipe coolant. The accumulator is composed of an aluminum-made heat exchanger pipe 4, an alu...
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JP2012012005A |
To provide an inexpensive oil feeding pipe superior in salt damage corrosion resistance and a method of manufacturing the same.This oil feeding pipe is composed of a steel pipe member and a metal fitting part with ferrite-based stainless...
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JP4854986B2 |
The tungsten-inert gas (TIG) welding procedure for joining two components and especially an igniter guide (12) to the outer sleeve (11) of a turbojet engine combustion chamber (10), with the guide wall (13) set at an angle to that of the...
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JP2012000659A |
To provide a method for manufacturing a welded structure, which can suppress the generation of stress corrosion crack.The method for manufacturing the welded structure includes: a process for forming grooves 12, 22 extending along a beve...
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JP4833395B2 |
The compound layer (11) on the basis of one or more soft materials - comprising at least one metal insert (12), with at least one such insert made up of at least two, at least partially overlapping metal foils (13, 14) joined within the ...
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JP4818467B1 |
Brittle crack propagation stop characteristic Kca of at least a part of the base metal is 4000 N / mm1.5In the steel plate welded joint (1) formed by butt welding the above steel plates (2, 2) and the welded structure (A) including the w...
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JP4795661B2 |
To provide a structure of a pipe joint, which structure can be welded without a back seal, and does not cause oxidized scales on the inside surface of a pipe. This structure 10 of the pipe joint is for joining an end portion 14 of a firs...
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JP2011200927A |
To provide a welded structure that hardly develops corrosion in welding gaps even in welding execution without implementing Ar back gas seal.A welded structure having a gap structure is characterized in that, in joining a shell plate and...
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JP2011204396A |
To fix a sealing plate to an opening of an outer can further firmly by effectively preventing the formation of blow holes at a weld part while laser-welding the outer peripheral part of the sealing plate to the opening of the outer can.T...
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JP4764647B2 |
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JP4746204B2 |
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JP4733955B2 |
A welding method for manufacturing welded structures having excellent properties to prevent the propagation of brittle fracture occurring in welded joints, characterized by the step of forming a repair weld having a greater toughness tha...
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JP2011140051A |
To obtain a welded joint and a welding method of a sheet metal, which need no fixing jig for fixing weldments near a welding part in a through-thickness direction, and does not cause unevenness of the weldments due to a thermal deformati...
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JP2011132817A |
To provide a hermetic compressor capable of welding a cover to a shell in a state that the compressor is erected and having high strength in a welded portion.A projection 25 fitted to the approximately cylindrical shell 21 is formed at t...
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JP4712280B2 |
Various rolled or extruded profiles (1c, 1d) with weld locations are used to connect together structural sandwich plate members comprising first and second outer metal plates (21) and an elastomer core (22) bonded to said outer metal pla...
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JP4699639B2 |
This invention relates to an full face vehicle wheel including a wheel rim joined to a wheel disc. The wheel disc defines an axis and includes a body having a centrally located wheel mounting surface and an outer annular portion. The out...
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JP4693860B2 |
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JP4689065B2 |
A temporary fixing structure includes recesses (11c) formed with a mounting hole (11b) of a first tubular body (11) to face each other wherein the diameter of the mounting hole (11b) extending along the recesses (11c) is smaller than tha...
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JP2011092999A |
To provide a workpiece and a welding process for reducing or eliminating porosity in a formed weld.An article (100) for the welding by electron beam (700) or laser beam (800) includes a first workpiece (102) having a weld surface (114), ...
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JP2011073037A |
To provide a swan socket welded joint which improves tensile strength of a weld zone by forming an inner groove on the end face of a socket body.This is a swan socket welded joint with which piping of tubular bodies is performed by weldi...
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JP2011075453A |
To provide a nozzle welding method which can be performed by automatic welding, and can perform efficiently work at a high-exposure amount.The nozzle welding method includes: a build-up beveling process for forming a built-up bevel 21 by...
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JP2011067872A |
To provide an automatic gas tungsten arc welding method capable of obtaining excellent penetration of the root pass welding while avoiding hydrogen embrittlement.The method includes: a step of preparing beveled workpieces 12 with beveled...
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JP4633959B2 |
This invention provides a welding method and a welded joint for high strength, temperature resistant steels that produces the same strength as the base metal in the welded joint, thereby resolving the strength problems in the heat affect...
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JP2011025311A |
To stably manufacture an electric resistance welded steel tube for a high-strength thick-walled line pipe having the excellent sour resistant characteristic of an electric resistance welded part by optimizing the shape and the state of d...
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JP4629018B2 |
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JP4626988B2 |
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JP4626987B2 |
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JP4610522B2 |
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JP4605576B2 |
A material for welding 5 having a region 11 in which welding such as laser welding or are welding is performed, the region including indentations 5a-1 which are produced by carrying out a first working step comprising embossing, V-bendin...
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JP4607481B2 |
A method of stir welding T-joints comprises assembling and stir welding first and second members (20,22). The first member (20) comprises a sheet portion (24) of material and also comprises restraining surfaces (37). The second member (2...
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JP4578006B2 |
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JP2010221235A |
To execute the fillet welding having sufficient strength without executing any grooving when manufacturing an attachment of a working machine.At least a part of corner parts 12 of butted portions 11 to a pair of flat plates 4, 5 in a pai...
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JP2010210030A |
To provide a welding structure capable of restraining a member from deforming when welding a member with small bending rigidity to a member with large bending rigidity by laser beam.The welding structure is configured so as to provide a ...
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JP4545309B2 |
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JP4541689B2 |
The welding method has a laser beam (22) used for providing the energy for welding 2 components (11,10) together along a weld joint (13), the laser beam directed through the component which is made of a material with weak absorption of t...
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JP4522677B2 |
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