| Document |
Document Title |
|
JP2002299031A |
To provide a long-life time high-frequency induction heating coil having high weldability and a high-frequency induction heating device with the built-in high-frequency induction heating coil, and to provide a method of manufacturing a w...
|
|
JP2002292473A |
To provide an apparatus for manufacturing a welded H-section steel capable of preventing shape deterioration and welded defects of the H-section steel after the weldbonding generating by pressing the feeding chip to the flange and web ma...
|
|
JP2002283063A |
To provide a seam guide stand which has the ability to prevent a V shape from changing and to provide high frequency induction welding equipment in which this seam guide stand is incorporated.In the seam guide stand 4, a base 10 is insta...
|
|
JP3329214B2 |
|
|
JP2002273576A |
To provide a high frequency flaw detection method by which welding defects can be inspected in the online of the manufacture line of weldments and cost is reduced.The high frequency flaw detection method detects the welding defect of a w...
|
|
JP2002273577A |
To provide an energizing device for an electromagnetic welder which is free from making noise, damage and exhaustion of a contact.Capacitors 1a, 1b, 1c and 1d, upper flat coils 2a, 2b, 2c and 2d, lower flat coils 3a, 3b, 3c and 3d and tr...
|
|
JP3327510B2 |
|
|
JP3327514B2 |
|
|
JP3328378B2 |
PURPOSE: To provide the high-frequency heating equipment capable of controlling a welding phenomenon at high speed. CONSTITUTION: A DC voltage generation circuit 16 outputs the DC voltage VS in accordance with the set high-frequency elec...
|
|
JP3328110B2 |
To improve welding efficiency by executing welding while rotating an impeder core arranged in a metal strip bent to open tube shape in resistance welding method so as to reduce lowering of magnetic property due to heat generation of impe...
|
|
JP2002263850A |
To provide a method and equipment for manufacturing a welded H-section steel without preheating a flange member by improving weldability with a simple means in high frequency resistance welding in the case of manufacturing the welded H-s...
|
|
JP2002263731A |
To provide a rolled bar for a welded grooved tube low in manufacturing cost, and capable of suppressing fluctuation of the plate width during the rolling and preventing drop of a weld part when manufacturing the welded tube, a manufactur...
|
|
JP3320509B2 |
|
|
JP3321040B2 |
|
|
JP2002239751A |
To provide a method for producing a steel tube with which the steel tube excellent in seam quality and surface skin, can be improved at high productivity.An edge heating for heating in the temperature range from ≥1300°C to lower than ...
|
|
JP3313304B2 |
To heat an open pipe under appropriate induction heating conditions depending on its thickness by providing a transfer method with a work coil, and moving the first work coil in the direction of forwarding the pipe to change the space be...
|
|
JP3310920B2 |
To extend life of a member and to improve quality of a sheet bar by respectively arranging heat-sensitive insulation bodies on faces facing with a sheet bar in an upper comb-tooth shaped part and a lower comb tooth shaped part formed int...
|
|
JP3309622B2 |
PURPOSE: To match the phase of the output current of an inverter and that of its output voltage so as to perform an operation at a power factor of 1 and to take synchronization even when a phase is different over a wide range in a high-f...
|
|
JP3301363B2 |
To provide a protector capable of preventing a collision of a high temp. particle with a monitor and not impairing an incident light on a monitor from a collision point. A protector main body 2 accommodates an image pick up device 24 in ...
|
|
JP2002178167A |
To easily and securely join the end faces of material consisting of a Ti alloy and material consisting of a Ti-Al-base intermetallic compound with each other.In the joining method of joining the end face of the material 6 consisting of t...
|
|
JP3296220B2 |
To establish a technique capable of stably manufacturing a thin wall welded tube of about t/D=5% or below. In a welded tube manufacturing seam guide roll device 11 guiding the seam part at the time of manufacturing the welded tube, thrus...
|
|
JP3293404B2 |
PURPOSE: To produce a high tensile strength electric resistance welded tube excellent in workability required for members related to an under carriage member of automobile such as a suspension arm, in particular, excellent in bending wor...
|
|
JP3294040B2 |
PURPOSE: To provide a process for producing a thick and small-diameter electric resistance welded tube which is increased in thickness while its diameter is reduced by a forging machine. CONSTITUTION: This process for producing the elect...
|
|
JP3288600B2 |
To provide a manufacture of a steel pipe by mans of an induction heating method that enables a steel pipe with a superior seam and surface quality to be manufactured with high productivity. In the steel pipe manufacture by forming a stri...
|
|
JP2002160020A |
To stably provide a tailored blank used as a press material for a box-like structural material in a car body such as center pillar outers, front side members, or the like at a lower cost.Two sheets of steel strips 12a, 12b are superposed...
|
|
JP2002153912A |
To provide a manufacturing method of a welded tube for dissolving instability when bending a metallic strip and forming it into an open tube by suppressing the production of defective products just after changing rolls and also suppressi...
|
|
JP3283388B2 |
PURPOSE: To join to tip parts in the width direction of slabs without possibility of erosion by joining the center areas in the plate width direction of the tip parts of the slabs, pressing while heating them again by an induction heatin...
|
|
JP3272900B2 |
PURPOSE: To perform sound welding by supplying to both ends of a plated band steel an electric power in accordance with the thickness or the passing speed of the band steel and a heating electric power based on a power value determined i...
|
|
JP2002086277A |
To provide a manufacturing method for a weld H-shape steel, by which the bend of a product can be prevented.In the manufacturing method for the weld H-shape steel forming a H-shape steel by the high-frequency welding of a web material to...
|
|
JP3262712B2 |
To quickly correct defective shape and to improve the dimension precision by continuously measuring the deviation of the center of a welded wide flange shape steel at the downstream side of a welding device and controlling the passing po...
|
|
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...
|
|
JP3250970B2 |
To shorten the length of device of a cooling device to cool a steel tube after welding and to save the amount of a coolant liquid in a continuous production line of an electric resistance welded tube. 1st spray nozzles 31, 31... are inst...
|
|
JP2002018633A |
To provide a cutting device capable of easily and fine adjusting the cutting amount of an inner surface bead so as to adjust the height of a cutting tool without stopping a pipe manufacturing facility while it is inserted in the pipe, in...
|
|
JP2002001426A |
To enhance welding reliability in the manufacture of an electro resistance-welded tube with a small diameter and a thin wall thickness using a thermally high conductive material.An apparatus for manufacturing the electro resistance-welde...
|
|
JP3242040B2 |
To provide a manufacturing method of a high carbon steel made electric resistance welded tube for a machine structural purpose capable of restraining a high temperature crack at the time of electric resistance welding of the high carbon ...
|
|
JP3236475B2 |
PURPOSE: To provide manufacture of a welded pipe whereby thin walled pipe, especially extremely thin walled pipe is able to be manufactured. CONSTITUTION: At least two means 11, 13 for restraining the welded pipe after butt welding are p...
|
|
JP3234792B2 |
To automatically secure initial energization to a web and a flange by using a welding tip, which is brought into contact with a material to be welded in a manner of being freely slidable for the purpose of feeding a high frequency electr...
|
|
JP3232040B2 |
To suppress a high temp. crack, brittle and prevent a yield of an ultasonic flaw inspection from lowering by reducing a hardness of a weld zone in producing a high carbon steel resistance weling steel tube of a high workability mechanica...
|
|
JP2001321826A |
To prolong the life of an induction heating coil and to raise the reliability of welding by controlling the temperature of the induction heating coil to be constant.This device is provided with a running mechanism 1 for making a tabular ...
|
|
JP3230290B2 |
PURPOSE: To prevent a fault caused by discharge chipping of a cutting tool by providing a cooling washing tank between a squeeze roll and the cutting tool, providing an annular ferrite iron core in this tank and allowing a tube body to p...
|
|
JP3230447B2 |
To provide an electro-resistance welded pipe seamed part detecting device and its method which can carry out the most suitable and highly accurate detection of a seamed part to the surface state of an electro-resistance welded pipe. An e...
|
|
JP2001314967A |
To provide an electric power source which is able to supply desired electric power for welding and it's controlling, and auxiliary electric power, irrespective of input voltage and frequency.The electric power source for supplying weldin...
|
|
JP2001300731A |
To provide a heating device (10) and a method for performing heat treatment before welding, welding and heat treatment after the welding of a superalloy product in a single casing (12) while avoiding the oxidation of the superalloy produ...
|
|
JP2001300632A |
To provide a seam guide roll not conducting a high frequency electric current, capable of resisting the load applied in pushing up both edges of an open tube, durable for long term continuous use and repeating use, further, having prolon...
|
|
JP2001287048A |
To provide a thin-walled welded pipe of a small diameter which has high weld strength and excellent weld gastightness. The welded pipe is manufactured by being formed into a tubular form by continuously feeding a plate material in a mann...
|
|
JP3214383B2 |
To prevent the high frequency current at the time of welding from leaking ad a reactive current through a seam guide roll and to improve welding efficiency and further the quality of welding by forming the seam guide roll used for seam w...
|
|
JP3214382B2 |
To prevent a high frequency current at the time of welding from flowing as a reactive current through a seam guide roll and then to improve welding efficiency and further quality of welding by forming a seam guide roll used for seam weld...
|
|
JP2001259733A |
To easily adjust a butt pressure at both side edge of a band plate material in welding a seam welded pipe so as to improve welding reliability.An apparatus is provided with band plate material feed mechanisms 1, 2, 12, 24, 26 to run a me...
|
|
JP2001208274A |
To quickly join fitting parts of a pipe mutually without any clearance.A first pipe 11 and a second pipe 12 are made of resin respectively and a fitting part 22 is formed by fitting their respective ends together. A conductive heating me...
|
|
JP2001198682A |
To correctly and surely detect sparks generating when welded wide flange shape steel is manufactured by applying high frequency resistance welding to web stocks and flange stocks consisting of steel strip. A spark detector 20, which is p...
|
