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JPH0525590B2 |
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JPH0589870A |
PURPOSE: To form a positive meniscus and enhance the anti-corrosiveness by setting the immersing depth of each electrode plate tab in a preheating vessel, when a bunch of electrode plates is to be welded, so as to be greater than the imm...
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JPH0577024A |
PURPOSE: To manufacture a target member for vapor-deposition having a good shaped and dimensional accuracy at good yield. CONSTITUTION: Into a high frequency induction furnace 7 in a reduced pressure suction casting apparatus 1, Al, Si a...
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JPH0576992A |
PURPOSE: To provide a device and a method for efficiently shrouding molten metal stream poured from a ladle to the other vessel from the viewpoint of the contamination in the atmosphere. CONSTITUTION: The shrouding device 62 is provided ...
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JPH0577029A |
PURPOSE: To obtain a uniform casting product in the high yield by melting a metal in a crucible having a mold cavity shape, filling up the cavity and executing the solidifying operation in this place from the bottom part of the crucible ...
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JPH0565557A |
PURPOSE: To obtain a Te or Te series alloy remarkably low in the content of oxygen as well as free from intrinsic defects and effectively usable as a sputtering target as well as an alloy for vacuum vapor deposition at high yield. CONSTI...
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JPH0518034B2 |
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JPH0557427A |
PURPOSE: To make removing work of solidified foil unnecessity by preventing the generation of solidified foil itself. CONSTITUTION: In a tilting metallic mold casting device for pouring molten metal in a pouring basin 5 into the metallic...
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JPH0559506A |
PURPOSE: To remarkably improve the yield of a material with the manufacturing process eliminated and to obtain the product having high quality at low cost. CONSTITUTION: An Ni base alloy melted and refined in vacuum is fed into a cylindr...
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JPH0550210A |
PURPOSE: To prevent porosity in a preform by controlling pressure in a chamber in a spray-deposit device. CONSTITUTION: An exhaust duct 11 is arranged at bottom part of the chamber 7 in the spray-deposit device, and in this exhaust duct ...
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JPH0531569A |
PURPOSE: To obtain a precision casting, such as engine valve, engine connecting rod, having excellent internal quality and shape precision. CONSTITUTION: In method and apparatus for casting metal, after obtaining molten metal 25 by induc...
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JPH0531568A |
PURPOSE: To produce various kinds of metals of cast ingot obtaining good surface quality at active metal, high m.p. metal or ultra high cleanness and to execute casting having no fear of break-out with plasma melting/casting method. CONS...
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JPH0531571A |
PURPOSE: To produce a casting having little influence to solidified shrinkage at center part and excellent internal quality without any contamination and entrapment of gas. CONSTITUTION: In casting, molten metal 16 poured into a water-co...
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JPH0531565A |
PURPOSE: To achieve fermetic sealing the whole apparatus with one pressurizing mechanism in a vacuum casting apparatus for executing melting and casting of metal. CONSTITUTION: A lower chamber 5 is used to a casting chamber 15 having a f...
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JPH0523822A |
PURPOSE: To perfectly prevent oxidation of molten metal and to provide a stoke as suitable to this casting method by covering the molten metal surface with inert gas. CONSTITUTION: By supplying the inert gas 22 into a stoke, a product 9 ...
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JPH0523829A |
PURPOSE: To provide casting method, which can repeatedly use a casting mold and is available even to a large casting. CONSTITUTION: After inserting a straight tube part 8 in the funnel type casting mold 5 into fluidized casting sand bed,...
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JPH0523824A |
PURPOSE: To provide a differential pressure casting apparatus, which separates a product and molten metal by supplying inert gas and can prevent damage developed in an inert gas supplying device from happening. CONSTITUTION: In the diffe...
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JPH0523830A |
PURPOSE: To reduce absorbed hydrogen content into a cast ingot in electroslag remelting method. CONSTITUTION: In sealing method in the electroslag remelting for shutting off surface of molten slag 2 from the air by injecting inert gas in...
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JPH054006B2 |
A compensation device for the influence of the weight of a power feed line on a weight measurement device determining the weight of an electrode and/or the melting rate in an electro-slag remelting process, in a vacuum arc furnace or the...
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JPH051594B2 |
PURPOSE:To make it possible to decide quality of strap thickness by using a mold having a concave part and a hot water path for a strap in order to form the strap while dipping a pole plate lug into molten lead injected into it. CONSTITU...
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JPH04507434A |
A copper based alloy and method for the manufacture thereof having improved properties. The copper alloy contains iron and zirconium with the iron being present as a uniformly dispersed second phase of the dispersoids. The dispersoids ha...
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JPH04507064A |
A process is described for forming castings using non-bonded (loose) moulding media, e.g. an evaporative pattern casting process. According to the novel feature, a very significant improvement can be achieved in the cooling and solidific...
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JPH04356339A |
PURPOSE: To smoothly eliminate impurities, gas, etc., in a molten metal, and also, to surely and continuously cast a product scarcely having the incorporated gas quantity, and moreover, to make a suction device compact. CONSTITUTION: Bet...
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JPH0474634B2 |
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JPH0450017Y2 |
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JPH0472629B2 |
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JPH0471626B2 |
A precision vacuum melting and casting furnace with a melting chamber containing a melting device. A casting chamber is positioned below the melting chamber. The casting chamber can be raised, lowered, and swung out to the side. The cast...
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JPH04311508A |
PURPOSE: To prevent the blocking of a molten metal pouring nozzle at the time of producing metal powder by atomization and to make it possible to repeat atomization many times. CONSTITUTION: When a flow 2a of a poured molten metal 2 is a...
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JPH04309451A |
PURPOSE: To produce an aluminum alloy casting having the tensile strength satisfying the requirements specified in JIS(Japanese Industrial Standards) in correspondence to the quality of respective materials without being limited by the q...
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JPH04309450A |
PURPOSE: To obtain the casting whose shape accuracy and strength are excellent by melting a casting base material in the inside of a copper mold by induction heating from the outside of a split type water cooling copper mold, stopping th...
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JPH04308010A |
PURPOSE: To prevent the clogging of a molten metal pouring nozzle connected to an opening in a metal vessel when a molten metal is poured from the nozzle. CONSTITUTION: A molten metal pouring nozzle 6 made of an electrically conductive m...
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JPH04294858A |
PURPOSE: To secure sufficient molten metal running and to cast a thin product in high accuracy by covering a cover on a mold, charging aluminum alloy into an opening part in a core, heating and melting, evacuating air in closed space for...
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JPH04294857A |
PURPOSE: To secure sufficient molten metal running and to cast a thin product in high accuracy by incorporating aluminum metal from an opening part in a mold, heating and melting, evacuating air in closed space formed with a vessel and t...
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JPH0444293Y2 |
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JPH04288956A |
PURPOSE: To provide a nozzle which pours molten metal out of a crucible, pours out the molten metal at a lower flow rate than heretofore and does not give rise to freeze-off. CONSTITUTION: The nozzle 21 is fitted into the bottom of the c...
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JPH04114524U |
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JPH0461744B2 |
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JPH04272146A |
PURPOSE: To continuously and inexpensively mass-produce a good-quality product low in residual chlorine without causing bumping. CONSTITUTION: Sponge titanium is used as a raw material, and the raw material is induction-melted in a water...
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JPH04505482A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH04266474A |
PURPOSE: To provide the process for production by which aluminum alloy products having improved wear resistance are obtd. CONSTITUTION: A metallic body consisting of a metal different from the aluminum alloy is previously held in a casti...
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JPH04266475A |
PURPOSE: To provide the process for producing a composite material which suppresses the formation of porosity in the composite material by heating different particles to a specific temp. CONSTITUTION: Jet flow 5 of a high-pressure gas is...
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JPH04262838A |
PURPOSE: To easily add and control the aimed nitrogen content in high accuracy by setting pressure of nitrogen gas atmospheric zone corresponding to increasing quantity to the aimed nitrogen and passing-through quantity of molten steel s...
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JPH04258361A |
PURPOSE: To precisely measure the height of the pre-formings and to calculate the piling yield at the same time by calculating the piling height of the pre- formings based on the measured value of the piled weight on the base plate with ...
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JPH04258362A |
PURPOSE: To precisely measure the height of the pre-formings and to calculate the piling yield at the same time by arranging the distance measuring device with using the radio wave on upper side of the base plate and executing with spray...
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JPH04258365A |
PURPOSE: To reduce the porosity in the form body and then to obtain the formed body which can be heightened until the real density with even the rolling of low roll reductin, etc., by restricting the heat transfer from the deposited meta...
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JPH04258363A |
PURPOSE: To present the spray forming method of the spray yield over 85%. CONSTITUTION: The center line direction of the gas outlet part of the gas atomizer to jet the jet stream is made to point to the almost parallel direction with the...
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JPH04258364A |
PURPOSE: To present the spray forming method of the spray yield over 85%. CONSTITUTION: On the spray forming method that plural pieces of the gas outlet holes are arranged by the same interval on the same circunference made as the center...
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JPH04253561A |
PURPOSE: To improve the quality of the two-layered clad plate to be produced by spray deposition. CONSTITUTION: A molten metal 3 of a base metal and a molten metal 5 of a cladding metal are respectively sprayed onto a pair of cooling rol...
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JPH04236733A |
PURPOSE: To efficiently and inexpensively produce the metal-based composite material which is uniformly dispersed with fine pieces of ceramics in a matrix metal without receiving failure, etc. CONSTITUTION: A mixture 46 composed of metal...
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JPH04231823A |
PURPOSE: To accurately measure molten metal amount, and improve simple functionality, by arranging an induction coil on load cells, and measuring the change of force caused by the change of supplied power. CONSTITUTION: The weight of met...
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