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JPS6438135U |
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JPS6438134U |
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JPS6457951A |
PURPOSE: To produce a clad ingot having excellent adhesion between layers by laying a core material beforehand fitting steel plate to be weldable at side face and pouring molten metal having different component from the core material int...
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JPS6410313B2 |
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JPS649904B2 |
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JPS6440141A |
PURPOSE: To prevent erosion of top part of a cladding material and to improve the product yield after rolling by fitting a chiller, which is not easily melted with molten base metal, on top part of the hung cladding material and executin...
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JPS6434543A |
PURPOSE: To strengthen a vessel and to enable thinning of the vessel by forming embossed working pattern to a trough type or pipe type vessel. CONSTITUTION: The embossing pattern is formed on a raw material by the embossed working and th...
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JPS6434544A |
PURPOSE: To improve yield of blooming by notching grooves on a mold and a base plate and making the prescribed shape of an ingot. CONSTITUTION: The groove 7 is notched on the base plate 1 just below a core material in the range surrounde...
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JPS6431555A |
PURPOSE: To improve yield of a product by fitting steel plates at four sides of narrow surfaces of a core material, bringing into contact one side of the wide surface of the core material with the mold inner wall and executing casting. C...
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JPS6431556A |
PURPOSE: To eliminate non-metallic inclusion and to reduce defect in the product by arranging the metal sheet to a hanging member at intermediate position between a clad material and top part of an ingot and further screwing the hanging ...
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JPS6427741A |
PURPOSE: To cast the titled casting to be suitable as raw material of sleeve, etc., by using a core mold forcedly cooling sand mold layer arranged at outer circumference of a cylindrical core metal at the time of casting the cylindrical ...
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JPS644865B2 |
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JPS643588B2 |
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JPS642465B2 |
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JPS642464B2 |
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JPS6411051A |
PURPOSE: To uniformize steel ingot by solidifying a primary molten steel cast in an ingot making mold while rotating at the prescribed number of revolutions and casting a secondary molten steel of the same or different kind of material a...
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JPS641231B2 |
Molten metal is poured into a substantially cylindrical mold from its bottom while the mold is being rotated about its vertical center axis. The ingot-making apparatus comprises a substantially cylindrical mold, stool, vertical pouring c...
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JPS641227B2 |
A continuous casting mould with roughened surface is such that, on first contact with the melt, heat transfer is controlled by virtue of the melt coming into contact only with the peaks (f) of the projections on the surface and an air ga...
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JPS64150B2 |
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JPS63202460U |
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JPS63202459U |
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JPS6350061Y2 |
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JPS6350060Y2 |
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JPS63309366A |
PURPOSE: To improve productivity and characteristic of a heat insulating agent by mixing coal ash containing less than the specific diameter of grobular shape grain at the specific % and potato waste together with the other blending raw ...
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JPS63303677A |
PURPOSE: To improve quality of an ingot by pouring molten steel into shallow mold composing of bottom board and frame body with lining, successively charging molten slag on molten steel surface and slowly solidifying the molten steel fro...
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JPS63295043A |
PURPOSE: To reduce running cost because the disposable part is only thin pipe, to become large cooling capacity of devidable metallic block and to prevent leakage of molten metal by inserting the refractory-made thin pipe into the metal-...
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JPS63290653A |
PURPOSE: To improve quality and yield of an ingot by arranging a submerged nozzle at molten steel pouring hole in a ladle, sealing the molten steel surface with oxidizing prevention agent and further pouring the molten steel at the speci...
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JPS6359791B2 |
Castings are produced by sandwiching a central mould part 10 between two outer mould parts 36, 38 during the casting process. The central mould part 10 is then transferred sequentially from between the outer mould parts 36, 38 and subseq...
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JPS63180136U |
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JPS63278638A |
PURPOSE: To prevent development of center porosity by pouring molten metal into a mold having the bottom part detecting this rising quantity in case solidification of the molten metal progresses and the last solidified part rises and des...
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JPS63268553A |
PURPOSE: To easily, economically and surely cast a metal or an alloy having fine crystal by pouring molten metal flowing out from a vessel at high pressure side into a mold at low pressure side after adjusting temp. of the molten metal n...
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JPS6353905B2 |
A process and apparatus for casting semi-finished metal products in which a molten-metal-proof-plunger (27, 100, 161, 163) is disposed near the top of a cavity (26, 162, 164) in a permanent mold (20, 150),a reservoir (36, 203) of molten ...
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JPS6352980B2 |
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JPS6351786B2 |
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JPS6349582B2 |
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JPS6349581B2 |
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JPS63150736U |
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JPS6348614B2 |
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JPS63230203A |
PURPOSE: To prevent the development of wrinkle at side face of a material to be rolled and to prevent seaming flaw by using a slab, which whole plate width direction is composed of only solidified structure at plate thickness direction, ...
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JPS6334784Y2 |
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JPS6334780Y2 |
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JPS6334785Y2 |
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JPS63212042A |
PURPOSE: To prevent the base cracking of a short square steel ingot by inclining a casting mold and molding board in such a manner that only one of the ridge or vertex of the base is lowest, starting pouring, returning the molding board ...
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JPS6343183B2 |
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JPS63207446A |
PURPOSE: To permit formation of a filter adequate for filtration of a high melt ing point molten metal by using glass fibers contg. a specific ratio of SiO2 to form the network filter having a specific area opening rate. CONSTITUTION: A ...
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JPS63207449A |
PURPOSE: To easily form cast ingot for combined plate having good quality at low cost by fixing plate-like metal block in a metallic mold by patching plate and pouring molten metal into gaps between both side faces of the metallic mold a...
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JPS6342538B2 |
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JPS63122738U |
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JPS63192536A |
PURPOSE: To reduce the development of pipe and segregation in casting of an ingot by charging further sheet-like heat insulating material made of ceramic on an exothermic heat holding material charged on a feeder head to strengthen the t...
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JPS63188450A |
PURPOSE: To reduce the segregation part in an ingot and to improve the yield of ingot making by arranging a heat insulating agent on molten steel after pouring the molten steel in a mold and further ingot-making while heat-holding the mo...
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