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JP2007205391A |
To provide a highly durable, small and light flow control valve to reduced in wearing deformation and lopsidedness both at the tip of its valve core rod and at its valve seat, and to provide a blowpipe using the same. The valve core rod ...
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JP3134226U |
To provide a fusing jig for H-shaped steel capable of accurately and efficiently fusing a flange of H-shaped steel. A frame portion 21,22,25,28,29 having a shape surrounding at least one end side of an upper flange 7 of an H-shaped steel...
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JP3888717B6 |
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JP3954817B2 |
To constitute cutting equipment so that the installation area necessary when a plurality of cutting machines are installed can be made small, and the carrying-in of a material to be cut for each cutting machine and delivery of a product ...
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JP3953615B2 |
To reduce sticking amount of dross generating when a material is cut by laser beam or the like. A triangular-wave formed product made by bending a steel strip is plurally placed side by side and joined to form planar blocks 3, with each ...
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JP2007181852A |
To provide an apparatus for removing slag, which apparatus is suitable for a tab plate for welding a UOE steel pipe.The apparatus for removing slag comprises a closable container for receiving tab plates cut by gas-cutting, and a mechani...
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JP3929758B2 |
To provide a sensor supporting device that can effectively absorb and mitigate an impact force and that can also shorten cutting interruption time until recovery after bumping, when the sensor or its support arm bumps against an obstacle...
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JP3916778B2 |
To shorten the piercing time. Preheat oxygen and a combustion gas are fed into a passage 3 from a preheat oxygen opening 5b and a combustion gas opening 5c and are mixed. The mixed gas is blown out to the outer part from an opening end 3...
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JP2007111714A |
To comprise an electromagnetic valve mechanism in a gas supply system in a gas torch or a plasma torch.The torch A is intended for a target machining by jetting a supplied gas from the tip end to a workpiece and is provided with the elec...
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JP2007075838A |
To improve workability in cutting operation by fixing the end of pipes to be joined in a short time without requiring special skill, with a simple structure in a job site.In the fixing block 2 of a plurality of pipe cutting tools 1, the ...
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JP3897559B2 |
To provide a method that safely produces a combustion gas, which is suitable for highly efficient fusing or brazing, at a low cost. In the production method for the combustion gas suitable for fusing or brazing to which the present inven...
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JP3899442B2 |
To sufficiently enable hot scarfing all four faces even to billets of an oval shape. This hot scarfer is provided with two scarfing units 12 for planes, which are respectively arranged in positions in close proximity to two opposite plan...
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JP2007070640A |
To provide a process for safely and inexpensively preparing a combustion gas suitable for efficiently fusion cutting or brazing.The process for preparing the combustion gas comprises adding a liquefied petroleum gas such as a propane gas...
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JP2007044762A |
To provide a dry type safety device for a combustible gas flow passage by which reverse flow in the passage is prevented and the warning is made when combustible gas is used with a pressure more than the flashback flame extinction capaci...
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JP3881616B2 |
To satisfy a heating performance and to reduce wasteful consumption of fuel gas, by setting a region on the surface of a oxy-fuel cutting nozzle, and changing cross section area of a preheating hole for injecting mixed gas of the fuel ga...
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JP3863982B2 |
To align a pipe end face with a machine original position, collect the dust, and prevent the spatter adhering to the pipe inner circumference, as well as to move a pipe centering positioning device to an arbitrary position. A frame 17 is...
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JP3858316B2 |
To improve the yield of product by arranging members so that idle areas between the respective members are minimum. Plural pieces of member shape data are taken in (S1 and S2), and excess thickness shape for mechanical processing is gene...
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JP2006326681A |
To provide a method where a large quantity of dust produced upon gas-cutting of a fish tail caused at the edge part of a billet by blooming rolling is more efficiently reduced at a lower equipment cost compared with the conventional meth...
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JP3850105B2 |
To facilitate the positioning of a gas torch and to realize the high accuracy of the gas torch. A gas torch 1 is provided with a torch main body 10 which is moved along the worked flat surface of a work stock 3 to be worked, a nozzle 12 ...
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JP3843129B2 |
PCT No. PCT/BE96/00063 Sec. 371 Date Dec. 29, 1997 Sec. 102(e) Date Dec. 29, 1997 PCT Filed Jun. 19, 1996 PCT Pub. No. WO97/01516 PCT Pub. Date Jan. 16, 1997A method and powder mixture are described for cutting a refractory body. The pow...
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JP3829114B2 |
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JP2006205206A |
To provide a scarfing device for a steel material, which can perform scarfing always at an optimum amount even if a cross sectional size changes in the steel material.A supply system 48 of scarfing oxygen is connected, through a manifold...
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JP3802180B2 |
To efficiently suck and discharge dust and harmful gas to the lower part of a working table without making them flow out to the surroundings of a work. In this hot working device 1 for working the work W by relatively moving and position...
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JP3794888B2 |
To provide a controlling method of a cutting-off device for continuous ly cast material, with which the continuously cast material is cut off with a torch while shifting so as to synchronize to the shifting speed of the continuously cast...
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JP3794438B2 |
To automatically cut plural platy materials arranged in parallel with different inclining by positioning a cutting torch at cutting start point, obtaining a max cutting speed at cutting line, obtaining a cutting speed based on the max cu...
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JP3786811B2 |
To set an initial height in a relatively short time without being influenced by fumes and sputter scattered by plasma arc cutting, also even if coating of electric insulation is applied to the surface of a workpiece and further even in a...
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JP3781489B2 |
To obtain a bending device having a cutting mechanism capable of efficiently bending and cutting. An expanding member 8 larger than the inner diameter of the pipe 1 is inserted into the pipe 1 to push the pipe 1w out in the axial directi...
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JP2006102804A |
To provide a scarfing device capable of obtaining an excellent scarfed surface without irregularities by preventing non-scarfed portion of a corner part when scarfing the surface of steel.The scarfing device has a torch unit 3 in which a...
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JP2006095591A |
To provide a gas melt cutting guiding device, even in the case a relatively small hole with a hole diameter, e.g., of ≤40 mm is made, which can guide in such a manner that the hole is made to have complete roundness, and can freely per...
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JP2006082113A |
To provide a device and a method for cutting an earth retaining member capable of mechanically or automatically performing the cutting work of an earth retaining member in a state in which a backing is present on the back side thereof.Th...
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JP2006075876A |
To provide a fume recovering device having an excellent effect in improving a work environment in a welding or a fusion-cutting apparatus.There are provided: an enclosure booth enclosing a welding or a fusion-cutting apparatus; a push ho...
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JP2006068748A |
To provide a apparatus and a method for removing slag deposition for improving the slag retention ratio of possibly around 50% to substantially 0% compared to a conventional method.In the apparatus and the method for removing slag deposi...
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JP3119550U |
To provide a gas cutting crater capable of concentrating a flame formed by a mixed gas of fuel gas and preheated oxygen on a steel material to be cut and significantly increasing the cutting speed. A middle body portion 1, an inner cylin...
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JP3751728B2 |
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JP3743767B2 |
To provide an apparatus that can form non-circular cross section by fuse-cutting a part of glass from a hollow glass body or a glass material of an arbitrary shape in no need of post processing. This is an apparatus for fuse-cutting a pa...
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JP2006021218A |
To provide a method for determining an amount of scarfing for an ingot, which method can reduce the loss of the yield while keeping the surface quality of the ingot well when the surface of the continuously cast ingot is scarfed before o...
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JP2006007230A |
To provide a liquid fuel torch that is applicable to fusion-cutting/welding purpose using an inexpensive liquid fuel excellent in handleability and that is, for this purpose, capable of forming a stable flame suitable for the fusion-cutt...
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JP3730468B2 |
To smoothly handle hoses and cables connected to a torch regardless of the number of them when groove cutting is applied to a stock to be cut by a gas cutting torch and a plasma cutting torch, moreover to simplify structure and to attain...
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JP2005334968A |
To reduce labor and time for treating products such as cut sheet pieces, cut residues or the like caused by fusion, and to allow an operator to concentrate on fusion operation without paying attention on the treatment for the products.In...
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JP2005313180A |
To provide a hot scarfing device where the remaining of slag generated in accordance with scarfing to all the periphery of a slab is made almost zero, and a satisfactory scarfed face can be obtained, and to provide a hot scarfing method ...
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JP2005313181A |
To provide a scarfing method, by which scarfing slag to become a scab at a corner part does not remain, and by which a billet free from a surface flaw and excellent in its surface characteristics is obtained, and to provide a scarfing de...
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JP3713275B2 |
Fortified hydrocarbon torch gas is a mixture of a major portion by weight of hydrocarbon base gas such as liquefied petroleum gas (LPG) or natural gas and additive selected from 1,2-ethanediol, 1,2-propaned iol, 1,3-butanediol, glycerol,...
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JP3715183B2 |
To provide a three-dimensional linear working device which is capable of continuously implementing the free curved surface cutting of a long member, and easy for mass production. First and second long member holding means 13 and 39 are p...
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JP2005305554A |
To inexpensively provide a mechanical conical deburring machine for removing a cutting burr of a slab or billet-like steel material, having high efficiency, inexpensive in maintenance service cost, easy in installation and incorporation,...
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JP3710871B2 |
To improve the working efficiency, and to secure the safety by moving a table horizontally and vertically along upper and lower horizontal guides, semi-circular end guide, and a center connection guide in cutting a plate by a thermal cut...
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JP3710998B2 |
To obtain excellent scarfed surface automatically by controlling scarfing velocity variation, scarfing oxygen pressure and gas pressure in order to prevent generation of unscarfed portions and deep cracks. Before starting scarfing of a b...
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JP3710540B2 |
To reduce the number of detecting devices by detecting the distance between a nozzle and an object and presence/absence of the flame based on the electrostatic capacity of a capacitor which is provided with a sensing part in a peripheral...
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JP3707444B2 |
To provide a method for preventing the clogging of a nozzle in a device for cutting a continuously cast slab and the device for cutting the continuously cast slab while preventing the clogging of the nozzle. When the cast slab is gas-cut...
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JP2005279733A |
To provide a steel pipe pile cutting guide holder for assisting cutting away the unnecessary portion of a steel pipe pile head easily with desired horizontal accuracy and smoothness.The guide holder for guiding a torch head H of a gas bu...
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JP3705626B2 |
To hold an always constant posture by forming a quadrangular link of outside shafts and inside shafts, forming a quadrangular link of the rotary axes of the inside shafts and support shafts, and supporting a tool supported with an arm jo...
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