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JP2001071120 |
To obtain a core removing device which removes a core from a bell- shaped end part of a pipe. This core removing device is provided with both of a cleaning device 46 and an exhaust device 48. The cleaning device is provided with plural w...
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JP2001047220 |
To provide a vessel for preventing the contamination of molten metal and a sucking/exhausting method. To the cylindrical closed vessel 1 provided with a pipe 3 fitting an opening/closing tool 4 at the upper part, a concave sucking/exhaus...
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JP2001039781 |
To suppress occurrence of stains at local parts of a filter and to lower the amount of B or Si being eluted into molten Al by performing cooling by natural cooling up to a specified temp. and keeping the temp. at the specified temp. for ...
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JP3156917 |
To provide an equipment, in which the development of oxide is remarkably reduced during casting a metal and the structure and the work are simple and movable parts and the mechanism parts are reduced. This equipment is composed of at lea...
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JP3157330 |
PURPOSE: To execute the full control of a smoke removing apparatus and to suppress the temperature drop of the molten metal by controlling the exhaust gas collecting capacity of a smoke removing means based on the smoke generating condit...
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JP2001030064 |
To provide a method for removing stuck material on an inner part, with which the inner part stuck material of powdery material of sand for core, and coating agent, etc., stuck on the inner wall surface of the hollow part in a work of a c...
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JP3155780 |
PURPOSE: To obtain the structure of a heater which is capable of heating molten metal without unevennesses between the upper and lower parts and with good thermal efficiency, in the filter of molten metal. CONSTITUTION: An inlet 3 of mol...
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JP2001026829 |
To provide a method for melting a magnesium alloy, which does not necessarily have high purity and high quality, and purifying and using this molten metal into casting.In the method for melting the magnesium alloy prior to casting, two o...
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JP3153703 |
PURPOSE: To mechanically treat the cleaning and repairing of a refractory material inner hole of a nozzle receiving brick, etc., efficiently in a short time. CONSTITUTION: An operating head 4 is telescopically provided in a truck 1 which...
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JP2001019182 |
To separate a sheet member by a locking member, and to drop the sheet member downward one by one by advancing while making the sheet member enter a sheet member passing hole by arranging a sheet member stopper at least on the anti-lockin...
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JP2001018034 |
To simply and suitably fit a strainer to a sprue in a casting device by setting a chuter in a strainer fitting device so as to be able to advance/ retreat in the horizontal state to a base table and swing downward to the front of the chu...
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JP3147335 |
To provide a refractory exchanging device for a molten metal storage ladle capable of improving the efficiency of the exchanging work of the refractory used for the molten metal storage ladle. A refractory exchanging device for a molten ...
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JP3143668 |
PURPOSE: To efficiently execute the exchanging work of a refractory by enabling correspondence to even different grinding condition with a single working device. CONSTITUTION: This working device is provided with a swing fixed shaft 2 pr...
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JP3144349 |
To obtain flux which can effectively lower the solidified point and the viscosity of slag at the time of removing the slag from a tundish. In the CaO-SiO2-Na2O-F-C series flux for addition into the tundish, the solidified point is lowere...
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JP3143071 |
To provide a dowel surface cutting device which is capable of safely and surely cutting and cleaning the dowel surface of a refractory in a short time in exchanging the refractory installed below a storage pot, and provided with a cutter...
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JP2000351059 |
To restrain the growth of skull at the tip lower part of a trough, to eliminate a large-scale removing work of the skull and to increase the operating time of equipment by always or intermittently jetting fluid toward the tip lower part ...
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JP2000329478 |
To secure clean molten metal that does not contain any impurities by using a skimming agent that is made of a granular body with a specific particle diameter of expandable volcano eruptions with a silicon oxide content where alkali metal...
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JP3131326 |
PURPOSE: To obtain a mold structure for casting a work having comparatively weak position in impact. CONSTITUTION: In a runner part at the inlet position of a gate part 4 communicated with a product cavity 2 of a shell mold 1, recessed p...
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JP3129675 |
To provide a ceramic filter excellent in room temp. flexural strength, hot flexural strength, corrosion resistance against a molten aluminum and flowability of the molten aluminum. The ceramic filter is composed of an aggregate particle ...
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JP3131327 |
PURPOSE: To remove impurity at the time of pouring molten metal and to improve the casting quality by providing recessed parts at the upper position adjacent to cavity in the one side of a mold and faced to gate parts and forming project...
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JP2000312965 |
To separate an aluminum material and a wire mesh of a biscuit without mixing an iron component or the like of the wire mesh with the aluminum material by dipping the biscuit in a molten aluminum of lower temperature than the melting poin...
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JP3127736 |
PURPOSE: To provide a method for removing inclusion in a steel by using high frequency induction magnetic field, in which the inclusion contained in molten steel can efficiently be removed. CONSTITUTION: The inclusion (i) existing in the...
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JP2000301292 |
To prevent a mold drying device from being damaged even in the case that a cast block does not release from the mold at the turning-over part of a circulating type conveyor and releases from the mold near the mold drying device. Molten i...
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JP3122300 |
PURPOSE: To automatically execute cleaning work in a short time by executing heating up to the flash point of solidified metal with heating flame due to oxygen/combustible gas, sucessively stopping these injection and removing the solidi...
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JP3119990 |
PURPOSE: To accurately set a scraping plate at a suitable position of a slag surface in a short time and to operate a safe slag remove by providing a runner which runs a running member mounted with a scraping plate lower end detector int...
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JP2000271732 |
To provide a filter for sheroidal graphite cast iron, with which in addition to such original function as to remove waste materials, as-cast ferritization can be promoted by erfectively exhibiting graphitization promotive performance of ...
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JP2000273521 |
To unnecessitate the removal of slag after refining and to improve the productivity by arranging a slag discharging hole having a closable/openable slag discharging means in the horizontal direction and/or the height direction at the upp...
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JP2000271733 |
To execute the removal of foreign matter stuck to the surface of a refractory with a simple device without needing manual work when the refractory in a ladle for molten steel is relined. A cleaning device 30 includes a cover 40 hung down...
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JP2000265232 |
To provide an aluminum alloy piston exhibiting excellent fatigue strength even in a temperature region as high as 200 to 250°C. After forging, this aluminum alloy piston has a composition containing 11-13% Si, 0.2-1.2% Fe, 3.5-4.5% Cu, ...
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JP2000256708 |
To produce clean metal powder by removing non-metallic inclusions from the metal containing the inclusions. The metal is melted into a good electric conductive metal-made crucible 5 formed as a bottomed cylindrical shape and having a flo...
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JP2000239722 |
To stabilize molten metal surface level, to reduce the remaining slag, to shorten the slag removing time and to improve the productivity. When the molten metal is refined by using an exhaust gas treating system 6 and an attachable/detach...
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JP2000227281 |
To prevent flow-out of dust generated by disassembling and repairing a refractory to another place and leakage of a noise by providing a working chamber partitioned in a building, constituting the chamber by a soundproofing wall, and pro...
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JP2000227282 |
To decrease molten allowed to get by to almost zero by longitudinally superposing a plurality of scraping plates with arms and arranging the plates, laterally moving the plates and extending or contracting the overall length of the row. ...
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JP2000225456 |
To prevent the development of casting defect by hardly incorporating foreign matter into a cast product. This crucible 10 used for a casting method for guiding molten metal into a mold by a stoke 24 is provided with a partition plate 14 ...
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JP2000210760 |
To increase a static pressure of a molten metal without heightening a tundish, to improve contact efficiency between an upper belt and the molten metal, to increase a cooling speed of the upper face of a slab and to thin an oxide film th...
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JP3093617 |
To provide a method for continuous hot use of a tundish in which the cost for the refractory of the tundish for continuous casting is reduced, the maintenance process in the cold condition is dispensed with, and the slab of stable qualit...
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JP3093890 |
PURPOSE: To supply molten metal having high cleanliness into a continuous casting mold by efficiently floating up and separating non-metallic inclusion in a tundish. CONSTITUTION: The molten metal is poured into the tundish 30 arranging ...
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JP2000202594 |
To provide a tundish for continuous casting equipment, in which the fall-down of a refractory in the side wall thereof is prevented and the remaining slag therein is easily discharged at the rotating in a hot-state and further, the capac...
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JP2000202598 |
To provide a tundish car, with which the quality of a cast slab can be improved, breakout is reduced and the alignment of a mold and the tundish can be executed. In the tundish car 10 provided with a traveling carrage 13 possible to trav...
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JP2000202602 |
To stably and efficiently remove the inclusion in a tundish for continuos casting by using inert gas. When molten steel in a ladle 2 is poured into the tundish through a pouring tube 4 made tight adhesion with a molten steel flow-out hol...
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JP2000202619 |
To forcibly open a clogging portion in a discharging hole of a molten metal vessel. This opening device is the one used for the molten metal vessel 1 having the discharging hole 13 for discharging the molten metal at the bottom part ther...
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JP2000202617 |
To effectively utilize the space on an operating floor and to reduce equipment cost. In this device, a tilting frame 18 possible to support and fix a molten metal vessel 11 and having trunnions 17, 17a at both ends on frame bases 16, 16a...
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JP2000197947 |
To provide a removing method, with which non-metallic inclusion from molten metal can efficiently be removed in high level. This method is the one, with which solidification of electric conductive molten metal 10 is progressed from a coo...
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JP3088928 |
PURPOSE: To shorten the period of time from the removal of slag after casting to the change of a nozzle and to enable the omission of reheating of a tundish by providing a slag removal pot for the slag in a tundish and a refractory maint...
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JP2000141025 |
To surely remove the slag with a simple structure by filling a molten metal in an expansion part in a short time to allow the slag to be afloat by a gate which is provided on the downstream side of the section expansion part in a horizon...
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JP2000141026 |
To easily remove slag without using any slag-off material by allowing a slag fence which is of outside diameter larger than the width of a molten metal pouring mouth of a ladle and formed of ceramics in annular shape to float on a surfac...
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JP2000129328 |
To remove [S] (sulfur in molten iron) to a specific concn. or lower and to reduce the land-filling quantity of desulfurizing and steelmaking slag, and the consumption of CaO by beforehand charging the steelmaking slag having a specific v...
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JP2000126860 |
To execute the temp. control of molten metal in a holding chamber at good accuracy in either case of existence/absence of cold charge by effectively preventing the shift of dross and sludge produced in a melting chamber into the holding ...
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JP2000121253 |
To remove slag quickly in safety by ejecting a fluid into a duct for passing a sucked fluid through a slit having a specified angle.Air ejected into a duct 1 having cross-sectional area of 150 mm×1000 mm from a slit 2 of 5 mm wide incli...
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JP2000117401 |
To provide a tundish, with which a cast slab having little big non-metallic inclusions as a matter of course, and fine nonmetallic inclusions, and excellent in cleanliness can be obtd., and a continuous casting method of a steel using th...
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