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Patent Searching and Data


Matches 251 - 300 out of 409

Document Document Title
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 ...  
JP2000158141A
To perform a high-speed pipe manufacturing while keeping a sound welding condition by melting a pipe to the pipe inner face with plasma arc at an electrode at the tip to form an inner face bead, and forming a molten pool which does not r...  
JP2000107880A
To provide a welding equipment and its welding method capable of promoting a high welding performance, a simple equipment structure, an excellent operability and a reduction in costs or the like.This equipment is provided with a laser be...  
JP2000107860A
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...  
JP3052547B
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...  
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 ...  
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...  
JP3034380B
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...  
JP2000005889A
To facilitate manufacturing and processing of a filler metal and improve strength by restraining segregation at a jointing portion. According to this laser welding method, base materials 10A, 10B of an aluminum plated steel plate are irr...  
JP11335754A
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...  
JP11333586A
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...  
JP11156559A
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...  
JP11156572A
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...  
JP11156573A
To carry out a good welding of even a complex shape such as a three-dimensional shape as well as to realize the welding with good efficiency without generating the loss of the ejected laser beam. When a filler wire 7 and an optical axis ...  
JP11129090A
To coat a thin metallic sheet with corrosion resistance and antifouling property on a metallic substrate surface by fusion jointing. A thin metallic sheet 2 is jointed on the surface of a metallic substrate 1 by resistant welding, or the...  
JP11048968A
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 ...  
JP11033751A
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...  
JP10291084A
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...  
JP10263849A
To obviate the occurrence of a thermal influence on members to be joined and to obtain desired joint strength with simple equipment by arranging water and liquid of alcohols, amines, etc., and components which reacts with each other when...  
JP10244369A
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 ...  
JP10225782A
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...  
JP10216979A
To provide a laser beam machining head by making a condensing laser beam and a plasma arc coaxial so as to make a laser beam a wide heat source by reinforcement of a plasma arc and to effect efficient machining in high precision. To a ti...  
JP10193163A
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...  
JP10180351A
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...  
JP10180479A
To efficiently generate a high energy density on the surface of a work, in flowing out plasma formed by arc from a compression nozzle, by mutually cooperate with a convergent laser beam and thereby forming a combined plasma/laser dischar...  
JP10166044A
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...  
JP10080718A
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 ...  
JP10034373A
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...  
JP2744219B
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...  
JP10001773A
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...  
JP09174343A
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 ...  
JP09122950A
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...  
JP09108859A
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 ...  
JP09108875A
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...  
JP09103889A
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...  
JP08281467A
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...  
JP08281466A
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...  
JP07305191A
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...  
JP07256472A
PURPOSE: To provide a processing device and processing method capable of more finely and highly accurately processing a surface. CONSTITUTION: A work piece S disposed in a reaction vessel 4 is irradiated with an excimer laser or a laser ...  
JP07246342A
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...  
JP07088673A
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...  
JP07088674A
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...  
JP07068389A
PURPOSE: To provide a machining method using the high speed atomic beam which can efficiently execute the machining of various patterns. CONSTITUTION: The surface of a substrate 1 to be machined is covered by a covering body 5 with patte...  
JP07060446A
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...  
JP07056613A
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...  
JP07041930A
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...  
JP07016761A
PURPOSE: To provide a working device using the high speed atomic rays capable of working at high speed and efficiently by supplying optical energy, laser beam, radical particles, etc., to the working surface of a work in a working device...  
JP06271361A
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...  
JP06134591A
PURPOSE: To obtain the needle disposing equipment which can be formed in a suitable shape in the case a used needle is disposed and an injector is discarded. CONSTITUTION: To a main body 1, a melting cylinder 7 having an inserting part 6...  
JP06114587A
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...  

Matches 251 - 300 out of 409