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JP2003245773A |
To reduce the area of a portion to be scrapped in a material to be cut, and also to shorten a cutting time in a scrapped portion in an inclination cutting method for cutting by inclining a cutting torch.When a product A is cut by cutting...
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JP2003240241A |
To surely ignite a burner with simple work in forming flame on the burner.This ignition device has: an igniting burner 3 having an igniting electrode 9 adjacently disposed to the burner 2; an ignition control member 7 having a fuel gas p...
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JP2003236659A |
To realize a secure ignition in one operation to form a flame on a nozzle mounted on the head of a manually operated gas working apparatus which is operated by holding a grip pipe by an operator.In a gas working apparatus in which the he...
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JP2003236660A |
To secure an ignition in one operation when a flame is formed on a nozzle mounted on a torch loaded on a running truck by supplying a gaseous fuel and a combustion supporting gas.A gas working machine (A) furnished with the nozzle 3 fitt...
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JP3441244B2 |
PURPOSE: To efficiently execute suction and removal of dust by arranging a gas flow guide, which guides the gas flow passed under a work to the suction port side of suction device, to a support member at work transfer. CONSTITUTION: When...
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JP3435150B2 |
To extend the life of a blow pipe and a nozzle and facilitate a work to mount and demount a nozzle on and from the blow pipe, in a high pressure high speed cutting nozzle used for gas cutting of a steel plate and the like. The high press...
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JP3431343B2 |
PURPOSE: To eliminate influence on cutting of a discharged substance that is produced accompanying the formation of a hole, discharged on the surface of a material to be cutt, solidified and accumulated. CONSTITUTION: After a main arc is...
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JP2003205351A |
To provide a method of enhancing sampling density from a detector for torch shear drop under an existing control device without renewing it.The system includes a detector 2 for torch shear drop remaining in the lower end face of a slab c...
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JP3428997B2 |
A cell arrangement for the electrolysis of water to liberate hydrogen and oxygen gases is described. A cell unit (125) has a stacked arrangement of segmentation disks (114), a first type of (anode) cell plates (90), a second type of (cat...
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JP2003181640A |
To provide a gas cutting device for gas cutting of an iron plate which prevents slag from sticking to the iron plate and a firing nozzle and has a high cutting capacity.The gas cutting device, which burns hot gases such as oxygen, acetyl...
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JP2003181638A |
To conduct end-surface finishing of a branch pipe by enabling the automatic fusion-finishing of a pipe with a small-sized fusion-finishing machine for a pipe, and to enable the easy exchange of the branch pipe in the case of finishing a ...
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JP2003181637A |
To obtain an underwater automatic gas cutting device, with which a steel plate can accurately be cut underwater so that the cut part can be reused as a weld joint, and which enables efficient underwater cutting due to its automatization....
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JP2003154443A |
To provide a method for detecting torching drip-down of a continuously cast slab with which it can be judged whether the torching drip-down occurs or not under consideration to the characteristic in the kind of steel and separation with ...
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JP3410001B2 |
To accurately detect the position of burr positioned on the lower surface at the front tip part or at the rear end part of a cast slab and to remove the burr by calculating the warping amount of the cast slab from the detected value on t...
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JP2003136276A |
To provide a method capable of efficiently and easily manufacture a large number of welded structural plate members with an attachment plate welded to a base plate (for example, a longitudinal rib of a synthesized floor board, a transver...
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JP2003136235A |
To provide a shape steel drilling device which can easily form a truly circular through hole in the web of shape steel.The drilling device 1 to form a truly circular through hole 6 in the web 2 in which a wide flange shape (shape) 5 comp...
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JP2003126947A |
To surely detect the position detection of a cast slab end face to cut the cast slab into prescribed length during continuous casting by a contact type, and furthermore, to enable to cut the cast slab even if the air cylinder is broken d...
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JP3402545B2 |
To surely and automatically judge an abnormal cut-off without delaying by picking up the spattering state of splash during cutting off a cast slab with an image sensor, dividing a picture into plural areas and judging as the abnormal cut...
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JP2003112239A |
To provide a technique with which a burr produced at cutting of a slab formed with a vertical continuous caster is stably removed.When the slab 1 formed with the vertical type continuous caster is cut off with gas-cutting flame 5 from a ...
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JP2003103363A |
To provide a handy apparatus for drilling capable of boring a hole with a desired diameter on the drain funnel in accordance with the position of a drain pipe executed and capable of beautifully finishing the fusing surface.A method for ...
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JP3394334B2 |
PURPOSE: To efficiently cut a work using a laser beam oscillator of relatively small output, to realize the cutting of the material of contour shape combined with the line and the arc in cutting the slab, and to provide the perpendicular...
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JP3391619B2 |
To provide a melting/shaving apparatus wherein upon welding and shaving a steel material surface corner parts are prevented from being left behind without being melted and shaved to ensure an excellent even melted and shaved surface. A c...
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JP3392074B2 |
To provide a structure with which a damage of an O-ring and a leakage of fluid are prevented when a nozzle or an insulator is mounted or dismounted. Outer groves 53 and 54 are provided on the outer peripheral surfaces on both sides of a ...
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JP2003088954A |
To provide a method for removing burr and a device for removing the burr with which positioning of a blowing nozzle, etc., for removing the burr accompanied with a welding is easily obtained and the burr removal can be performed in a sho...
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JP2003080368A |
To provide a control unit in flowing-out amount of gas for melt-cutting a steel plate with which the gas for melt-cutting can be controlled so as to always stably and surely obtain a prescribed mixed ratio in a simplified constitution wi...
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JP2003080356A |
To provide a method for gas-cutting a continuously cast material with which gas cutting-off device can automatically be driven and the continuously cast material can surely be cut off at each cutting-off portion in the length direction.T...
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JP2003071551A |
To provide a technology for assuring surface quality of a continuously cast slab for strict application against a surface flaw.In the repairing method carried out in carrying the continuously cast slab to a rolling process, a continuousl...
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JP3385157B2 |
To control deterioration of the dimensional accuracy of a product due to thermal distortion in the cutting process as much as possible in performing the cutting at the common line. An automatic programming device is provided with a compo...
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JP2003062685A |
To provide a method for preventing fusion cracks in an ingot or a billet such that no crack occurs in a fused ingot or billet even in large cross sections.In a method for preventing fusion cracks in an ingot or a billet, wherein the sect...
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JP3383054B2 |
PURPOSE: To simplify the structure to turn a supporting frame for a body of revolution provided on a cutting pallet when the cutting pallet is carried onto a table and positioned and fixed thereto, and to facilitate the maintenance. CONS...
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JP2003053531A |
To provide a method for easily correcting the misalignment of cutting lines of fusion cutting torches with a simple device. In cutting a work 1 by moving a pair of the fusion cutting torches 4 and 5 facing each other toward the central p...
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JP2003053551A |
To provide a deburring method for pressure welding part and a device therefor which is excellent in quality and enables a short-time operation. This method and device removes a burr generated on the edge of outer periphery of a welding p...
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JP2003053526A |
To stabilize the heating work of an operator and to make good-quality brazing work, etc., possible by maintaining the gas supply pressure of a flame device always constant and maintaining the temperature of flames constant. The flame dev...
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JP2003053530A |
To improve quality by eliminating scarfing defects, such as drooping or remaining of steel products without being scarfed for the purpose of removing the defects on the surface of bloomed steel products, continuous slabs, etc., by scarfi...
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JP2003053548A |
To provide a discharge regulator which is low in a cost without being accompanied by upsizing and is capable of regulating a flow rate with high reliability and a processing equipment using this discharge regulator. The discharge regulat...
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JP3378070B2 |
PURPOSE: To provide a pipe supporting device for thermal-cutting which simply centers without generating the centering slip of pipe even if the diameter of the pipe to be machined changes, and which is made compact without enlarging the ...
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JP3377293B2 |
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JP3373643B2 |
PURPOSE: To attach or detach a unit to and from a rack as one body by installing an assembly surface plate unit, which is constituted integrally by providing plural flat plates upright at specific interval, on the rack as to the surface ...
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JP3373383B2 |
To provide a gas-cutting method for an continuously cast slab which prevents crack below the surface layer of the cast slab developed on the cut-off surface by the gas cutting at a high temp. executed in a continuous caster. In the conti...
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JP2003025090A |
To simultaneously operate a plurality of cutting machines and simultaneously and smoothly carry out these work even when the work requiring cranes concurrently occurs.The cutting equipment A has a cutting machine group B which is radiall...
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JP3369116B2 |
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JP3365498B2 |
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JP3365736B2 |
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JP3365499B2 |
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JP3366094B2 |
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JP2003001414A |
To provide a facility for removing deposits on a molten iron holding vessel in which the cutting efficiency of mixed and solidified stuff mainly consisting of a base metal and slag is considerably improved, and the total cutting and remo...
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JP2003004385A |
To provide a mobile wrought product slug dismantling facility mounting a breaker for separating efficiently wrought product and slug from mixture solidification maters generated in an iron mill and breaking them, and a cutting machine fo...
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JP2003001385A |
To provide a hot slitting method for a continuously cast slab, which enables on-line slitting of a cast slab in a hot state produced by continuous casting.The cast slab 13 in a hot state cast by the continuous casting machine 11 is slit ...
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JP3359933B2 |
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JP2002361412A |
To efficiently perform simultaneous cut at two places with high accuracy without damaging conveying rollers. A tip detector 7c is arranged on the front cutting truck 8 of two cutting trucks 7, 8 which are arranged above the conveying rol...
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