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JPS6054826B2 |
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JPS6054264B2 |
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JPS60240353A |
PURPOSE: To form a cladding metal into a flat shape and to improve the yield of a product by providing preliminarily convex-shaped projecting parts and thick-walled parts corresponding to erroding proportions to the base part and both tr...
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JPS6053277B2 |
The composite tube has an inner core of a first material, an intermediate zone of a second material surrounding said core, and an outer wrap surrounding and confining said intermediate zone. The intermediate zone is spirally wound layers...
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JPS60176852U |
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JPS60231553A |
PURPOSE: To extend the life of a casting mold by covering part of the inside surface of the casting mold in a bottom pouring method with a steel plate. CONSTITUTION: The casting mold 3 for the bottom pouring method is installed on a lowe...
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JPS60227966A |
PURPOSE: To produce a casting ingot having uniform and fine internal structure by heating molten glass so as to maintain the upper part thereof at the temp. above the m.p. of a molten metal and the lower part at the temp. below said m.p....
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JPS60223642A |
PURPOSE: To obtain a clad steel having good quality without having a mixture structure in the boundary part and defective adhesion in the joint part thereof by installing a clad core material which is made of the same material as molten ...
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JPS60157045U |
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JPS6046064B2 |
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JPS60203338A |
Molten steel, normally exposed to an atmosphere of air, is protected against pick-up of impurities by placing carbon dioxide gas in such quantities and in such proximity to the surface to cause dissociation of the carbon dioxide at a rat...
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JPS6032921Y2 |
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JPS6043826B2 |
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JPS60146551U |
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JPS6043219B2 |
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JPS60141943U |
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JPS60177933A |
PURPOSE: To manufacture plural pieces of non-segregated steel ingots by installing perpendicularly a refractory partition plate to the center in a casting mold, pouring a molten metal into the mold from the bottom, allowing the molten me...
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JPS6039465B2 |
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JPS60170566A |
PURPOSE: To provide a steel ingot having no defects such as blow holes, central segregation, etc. by providing a pouring spout into a casting mold, casting a molten steel from a tundish through a nozzle and the pouring spout into the mol...
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JPS6038220B2 |
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JPS60158953A |
PURPOSE: To improve the structure of a casting ingot in bottom pouring ingot making having a heat insulating or exothermic riser part by disposing an exothermic riser holding plate having a specific angular projecting shape at the center...
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JPS6035217B2 |
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JPS60152359A |
PURPOSE: To obtain a composite material in which the binding state of the 2nd phase and a base material is satisfactory by disposing the plural 2nd phase blank materials in a mold space and slag in the other space and performing electros...
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JPS60148661A |
PURPOSE: To eliminate inverse V segregation of a large-sized steel ingot by providing a casting mold in a pit, feeding water in the pit at the point of the time when 10min elapses after pouring a molten steel therein and releasing the ge...
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JPS6031583B2 |
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JPS60130448A |
PURPOSE: To decrease segregation in the central part of a steel ingot by attaching the heat insulating materials for the inside surface of a casting mold only near the head part on the long side and up to the position shown by the specif...
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JPS6029577B2 |
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JPS6099042U |
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JPS60124442A |
PURPOSE: To form a deposited metal into the uniform structure free from high- temp. cracking in combining of a hollow steel ingot by an electroslag method by shifting uniformly the dropping position of a consumable electrode near the ins...
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JPS60121043A |
PURPOSE: To distribute uniformly lead into a steel and to produce a homogeneous leaded free-cutting steel in the stage of adding lead by a bottom pouring ingot forming method from a pouring pipe for a molten steel by adjusting the relati...
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JPS6026627B2 |
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JPS6025215B2 |
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JPS6021219B2 |
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JPS6021024B2 |
A hot-top for the production of ingots using an electroslag remelting process, comprises a ceramic hot-top having non-consumable electrodes embedded in the radially inner side walls thereof, the exposed surfaces of the electrodes compris...
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JPS6076269A |
PURPOSE: To reduce the cost of a clad material and to manufacture easily a multilayer clad material consisting of different kinds of steels by casting in a billet which is preliminarily clad as a core material. CONSTITUTION: A metallic p...
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JPS6076253A |
PURPOSE: To prevent sticking of slag to the crazing on the inside surface of a casting mold for making ingot and deterioration of the quality of the steel ingot cast in the succeeding batch by the effect of the slag by coating and packin...
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JPS6076252A |
PURPOSE: To prevent generation of a tone sheet in the stage of removing a steel ingot from a mold for casting a steel ingot by using thinly a material which is different from the material of the mold and has a low yield point to constitu...
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JPS6015422B2 |
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JPS6052049U |
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JPS6056469A |
PURPOSE: To produce a longitudinally short steel ingot having less hydrogen blownholes and good quality at a high yield by interposing a molten slab having an adequate thickness in the head part of the cast molten metal, holding the same...
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JPS6056447A |
PURPOSE: To provide a titled casting mold of a pressing method with water cooled copper plates by which a steel ingot for an extra thick plate having no inverse V segregation at all and having excellent internal quality by blowing a gas ...
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JPS6046934U |
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JPS6040645A |
PURPOSE: To form easily a titled sleeve and to improve dimensional accuracy by placing a metal flask via a plate-shaped lower sleeve having the inside diameter smaller than the inside diameter of a casting mold on the top surface of the ...
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JPS6037247A |
PURPOSE: To improve the heat insulating effect of a riser and to improve the yield of nondefective products by installing a feeder head ring to the inside surface side in the upper part of a casting mold having an open top end, disposing...
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JPS60500205A |
PCT No. PCT/FR84/00005 Sec. 371 Date Sep. 6, 1984 Sec. 102(e) Date Sep. 6, 1984 PCT Filed Jan. 6, 1984 PCT Pub. No. WO84/02668 PCT Pub. Date Jul. 19, 1984.The present invention concerns a process and an apparatus for moulding ingots of f...
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JPS6033852A |
PURPOSE: To improve the contact between a casting and water-cooled copper plates and to cast a steel ingot having no internal defects in the stage of casting the steel ingot with an upward expanded casting mold consisting of long-side pl...
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JPS6027445A |
PURPOSE: To improve the melt stickability between a material to be melted and a molten metal with a titled process for producing a steel ingot having different sectional areas in an axial direction by rotating circumferentially a slag ba...
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JPS6015450U |
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JPS602141B2 |
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JPS609551A |
PURPOSE: To produce a defectless composite material without generation of an internal stress crack by melting a small amt. of a material having small sensitivity to thermal cracking by an electroslag refining method then melting the pres...
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