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JP3302654B2 |
To obtain a formed body excellent in a performance of a welded part by performing with welding a platinum-base metal-alloy material doped with Y, Zr, Ce, etc., and deforming a preform after heat-treating and sufficiently oxidizing a base...
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JP3298999B2 |
PURPOSE: To form an oxidized passive film consisting essentially of chromium oxide on the surface of a weld zone by welding the weld zone while supplying gas cont. a specific amt. of moisture in an inert gas as a back shielding gas durin...
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JP3268248B2 |
To enable a high speed welding and make a groove aiming accuracy good with a compact head. This composite welding head for welding a material 30 to be welded by gas shield arc welding and laser welding comprises; a laser oscillator 11 ou...
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JP3259647B2 |
To stably produce a high quality tube corresponding to wide production conditions by pushing up both side edge parts of an open tube before welding from lower part with two sets of pushing up rolls of a seam guide roll device and control...
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JP2002018584A |
To provide an improved manufacturing process of a pipe using a hybrid welding process of a combination of a laser beam and an electric arc.The method is used to manufacture a welded pipe from a metallic strip having two edges, which are ...
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JP3245027B2 |
To correctly achieve a laser beam welding and a TIG welding to the same part. The TIG welding is achieved by applying the voltage between a tungsten electrode 111 provided on an electrode holder 110 and a base metal 50, and feeding the i...
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JP2001340981A |
To provide an improved hybrid welding method capable of effectively welding a work piece made from various materials.A welding method a work made of one or a plurality of metals to be connected by means of forming at least one welded joi...
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JP3238215B2 |
PURPOSE: To provide the butt welding method of the thick plates where there is no work before and after welding and automation is made possible, a welded joint with little thermal effect is obtained and a large-sized restraining device t...
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JP3188546B2 |
PURPOSE: To obtain a joined body of an insulator free of mobile ion and a conductor without using an adhesive by anodically joining the insulator and conductor through a conductive film and an insulator layer contg. mobile ion. CONSTITUT...
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JP3166643B2 |
To reduce defective welding due to solidifcation cracks and to obtain a laser beam welded tube without any roll flaws by providing a pair of left and right squeeze rolls butting to the part to be welded and a pair of left and right top p...
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JP3166856B2 |
To repair or join sections of a metal article, matching metal powder is sintered in the solid state to form a porous structure in the joint. A layer of matching powder, modified to incorporate melting point depressants such as boron and ...
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JP2001079682A |
To obtain a combined material excellent in combining degree, conductivity and heat resistance, which is particularly suitable to the joint with an iron and a non-ferrous metal and can simply be worked at a low cost. In this welding metho...
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JP2001065522A |
To prevent dispersion in welding quality by providing a slit in a plane material, pressing a bar-like material into this, and certainly contacting the both with each other for welding. This welding structure comprises a plane material 11...
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JP3116229B2 |
To economically execute the welding into high strength without developing crack in a short time by interposing a slender steel barrier plate into a gap of a rail to be welded, generating the arc between an electrode and the barrier plate...
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JP2000246438A |
To reduce the number of passes and the effect of welding heat by setting, at a specified value or higher, the ratio between the height of the initial layer bead of a structure welded by using a filler wire and the penetration depth into ...
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JP3083318B2 |
A method of multispot-welding enabling secure welding in a short period of time even when a large number of spots to be welded are present. A roughly cylindrical base body is formed by stacking flat plates and corrugated plates alternate...
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JP3052547B2 |
PURPOSE: To improve heating electricity efficiency and to manufacture even a small size tube by arranging an induction coil at the position close to a couple of pressure rollers. CONSTITUTION: Tube raw material 1 is formed into a tubular...
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JP3034380B2 |
PURPOSE: To facilitate the automation of products sorting, etc., by enlarging cutting width and easily separating products from scrap. CONSTITUTION: The machining head 5 of a laser beam machine 1 is provided with a laser head 11 by which...
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JP2000094169A |
To obtain a weld zone the surface of which is smooth and to which a ultrasonic inspection is applicable in end tap welding for a nuclear fuel rod capable of welding at a high speed and having high welding efficiency.With respect to fuel ...
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JP2000071090A |
To provide a vacuum chamber and a manufacturing method thereof wherein failures such as shrinkage cavity, pin hole, blowhole, and micro shrinkage do not occur, the manufacturing cost is low, and a large product is easily manufactured eve...
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JPH11333586A |
To closely adhere a resistance-welded surface, and to remarkably improve bonding strength by performing arc welding after connecting mounting tube on the tip part of a main body with resistance welding. In the main body 1 of a hollow sta...
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JP2951112B2 |
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JPH11509477A |
PCT No. PCT/GB95/02739 Sec. 371 Date Sep. 9, 1997 Sec. 102(e) Date Sep. 9, 1997 PCT Filed Nov. 24, 1995 PCT Pub. No. WO96/15871 PCT Pub. Date May 30, 1996An arc augmented laser welding apparatus has a welding head (10) which comprises a ...
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JPH11156559A |
To obtain a welded material with at least approximately the same characteristics as a basic material by hot isostatic pressing a work piece after the welded material being generated due to the welding of the work piece comprising the nic...
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JPH1148968A |
To stably fix a workpiece by providing a fixing jig of a workpiece arranged on the opposite side of a rotary tool with a revolving mechanism and a mechanism following deformation of the workpiece and automatically moving in the vertical ...
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JPH1133751A |
To provide an effective manufacturing method of a panel structural element without reduction in the accuracy of the joint when joining two panels, which consist of two boards substantially parallel to each other and the third members whi...
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JPH10291084A |
To obtain a laser machining method and device capable of high precision and highly efficient machining using CO2 or Nd:YAG laser. A laser beam 2 from a laser generator is reflected by a reflection mirror and converged on a work 4 by a co...
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JPH10244369A |
To prevent generation of solidification crack and blowhole while securing deep penetration. A groove between oppositely facing base materials 1, 1 is irradiated with laser 9 before arc welding, with penetration deepened in the bottom of ...
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JPH10225782A |
To secure such a penetration depth as is equal to the thickness of a base material in short time and to increase welding speed. A gap 3 for guiding a laser beam is formed continuously to the bottom of a groove 2 between the abutting face...
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JPH10193163A |
To provide low-cost products by simplification of stages by applying metallic powder constituting intermetallic compds. on joint surfaces and heating up these joint surfaces to form metallic compds., thereby joining the joint surfaces. T...
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JPH10505791A |
PCT No. PCT/DE95/00965 Sec. 371 Date Jun. 5, 1997 Sec. 102(e) Date Jun. 5, 1997 PCT Filed Jul. 22, 1995 PCT Pub. No. WO96/09135 PCT Pub. Date Mar. 28, 1996A welding process in which laser radiation is trained on the seam area formed betw...
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JP2744219B2 |
To provide a cutting device for a metal, which is possible to cut by either of laser beam or plasma arc and is possible to simultaneously cut in two different positions with patterns possible to the individually controlled. The cutting d...
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JPH1080718A |
To manufacture a steel tube having an excellent seam quality and a surface skin with high productivity. A band steel is preheated and continuously formed by a forming roll group to obtain an open tube 7. Both edge parts of the open tube ...
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JPH1034373A |
To provide a welding method for a double tube structure capable of welding without shutting voids between an inner tube and outer tube. In the welding method for the double tube structure having voids 20/21 between the inner tube 1 and o...
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JPH101773A |
To provide a fresh joining method capable of three-dimensionally and universally joining microparts of mm order or below. This joining method joins the parts desired to be joined for example, the parts to be joined to each other of a sha...
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JP2666647B2 |
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JPH09174343A |
To manufacture a plurality of assembly parts by a common device by arranging a parts detector, welding unit, takeout unit in order around a turntable. At a position C of a turntable 8 a parts detector 10 is disposed so that the mounting ...
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JPH09108859A |
To enable quick execution by bringing into contact, pressing, melting and joining an upper and lower reinforcing bar with impurities pushed out of the joining part. The butting part of the upper and lower reinforcing bar 1 and 2 is held ...
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JPH09103889A |
To provide a method that dispenses with the structure of a large scale device for the purpose of forming ultra-high vacuum atmosphere, that eliminates difficulty of alignment between the surfaces to be joined under such atmosphere, and t...
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JP2549763B2 |
An electrolytic process for producing a metallic joint between two metal surfaces and an apparatus for carrying it out are disclosed. In the process the electrolyte liquid is fed through a rotating electroplating device (1) with built-in...
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JPH08281467A |
PURPOSE: To enable a welding without developing a crack and the shortage to the reinforcement of weld, etc., by tack-welding tab steel plates along the outline of a foot part on the surface abutted on a rail at the position from a foot s...
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JPH08281466A |
PURPOSE: To enable preheating and cutting-off at a low cost by preheating a metallic material to the firing temp. with electromagnetic heating, jetting gaseous oxygen into the preheating range from a jetting nozzle and cutting off the me...
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JP2527238B2 |
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JPH07305191A |
PURPOSE: To weld a metal to be dissolved in an electrolyte without heating the groove face by applying a current with a base metal connected to the positive electrode and the metal to be dissolved in an electrolyte to the negative electr...
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JPH07246342A |
PURPOSE: To produce a metallic carrier capable of joining without inserting a brazing filler metal and without using a high vacuum furnace and free from the generation of thermal fatigue in a joining position at the time of forming the m...
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JPH0788674A |
PURPOSE: To prevent the degradation in the strength in a joint part by the simple method and enable the adaptation to intricate shapes by arranging a multilayered thin-film composite material consisting of ≥2 kinds of metals mainly com...
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JPH0788673A |
PURPOSE: To obtain a high joint strength by the simple method of joining Ni-Ti based alloy members to be used as a shape memory alloy and superelastic alloy. CONSTITUTION: This method for joining the Ni-Ti based shape memory alloy member...
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JPH0722829B2 |
The arc is struck by the initial short circuit between the electrode (2), the nozzle (3) and the work piece (7) by the excitation by a very low voltage source (31) of a relay (48) causing (between 43 and 42) the closure of the main conta...
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JPH0756613A |
PURPOSE: To simply and quickly transmit the set-up information by acquiring the set-up information on the machining carried out by the NC data to be transmitted form the internal information and by sending the acquired set-up information...
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JPH0741930A |
PURPOSE: To remove segregation, etc., in a jointed part, to prevent deterioration in mechanical properties, and to enable welding of complicated shape by applying temperature treatment, etc., to a metal thermally sprayed into a cavity fo...
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