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JPS61123446A |
PURPOSE: To improve the quality of a steel ingot by moving horizontally a casting mold with respect to a gas nozzle for spraying a molten steel and blowing a prescribed flow rate of an inert gas to the molten metal surface of the casting...
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JPS6124105B2 |
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JPS6187641U |
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JPS61111743A |
PURPOSE: To obtain surely and stably a non-defective clad steel ingot by pouring the molten metal of an insert-casting material consisting of a different metal having the m.p. higher than the m.p. of a core material consisting of a non-f...
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JPS6121742B2 |
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JPS61501014A |
Method and apparatus for producing a fine-grain ingot are disclosed. A feedstock stick is melted to produce a series of fully molten drops which falls on the upper surface of an ingot being formed, to cover a portion thereof which is sub...
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JPS6199539A |
PURPOSE: To obtain an ingot having good quality even if the difference in m.p. between a core material and insert-casting material is ≥150°C in the stage of producing the low-melting nonferrous clad ingot by controlling the casting te...
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JPS6167955U |
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JPS6117582B2 |
A surface of molten metal is covered with a polyphase mixture of a cryogenic fluid and at least one additional constituent in the form of particles, the particles having a size less than 50 microns and forming a homogeneous and stable su...
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JPS6163344U |
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JPS6114910B2 |
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JPS6171156A |
PURPOSE: To reduce the cost of repair by subjecting the damaged part of a casting mold to spot facing then providing divided chambers of refractories thereto and subjecting further the damaged part to thermit welding then building up the...
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JPS6171169A |
PURPOSE: To obtain a flat steel ingot having no inverse V segregation and porosity by rotating a casting mold which has a partition wall in parallel with the wall surface past the central part of the mold and is provided with heat insula...
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JPS6167561A |
PURPOSE: To obtain excellent pipe casting by providing vertically a core on a lifting device, also assembling an outer mold of a short size by surrounding the core, repeating the accumulating operation and the descending operation of the...
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JPS6167543A |
PURPOSE: To decrease internal segregation and shrinkable defects and to cast a steel having good internal quality by insulating the heat of the top surface of a molten steel having a specific depth or below and allowing the mooten steel ...
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JPS6112016B2 |
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JPS6111702B2 |
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JPS6163350A |
PURPOSE: To improve the quality and yield of a billet by disposing a hermetically closable vessel contg. a molten metal and pouring the pressurized molten metal through a nozzle into casting molds which are inclined upward at a specific ...
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JPS6146047U |
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JPS619905B2 |
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JPS619098B2 |
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JPS6152959A |
PURPOSE: To prevent inverse V segregation on the inside peripheral surface of a product and to obtain a hollow steel ingot having high quality by installing a metallic cylinder having the same axial center as the axial center of a core i...
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JPS6152960A |
PURPOSE: To prevent the generation of inverse V segregation on the inside peripheral surface of a product and to obtain a hollow steel ingot having high quality by installing a metallic cylinder concentrical with a cylindrical metallic c...
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JPS6149749A |
PURPOSE: To weld the entire surface of a clad steel billet to satisfactory quality without deformation and to improve product yield in continuous casting of the clad steel in which a molten steel is supplied, welded and quickly cooled on...
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JPS6149748A |
PURPOSE: To weld the entire surface of clad steels to uniform quality and to improve the yield of products in continuous casting of the clad steel in which a molten steel is supplied, welded and quickly cooled onto the top surface of ste...
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JPS6149750A |
PURPOSE: To weld satisfactorily the entire surface of a clad steel billet and to improve product yield in continuous casting of the clad steel in which a molten metal is supplied, welded and quickly cooled onto the surface of a moving st...
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JPS6146352A |
PURPOSE: To obtain a clad ingot having stable internal quality by placing horizontally a metallic billet to be insert-cast on the bottom of a casting mold, pouring the melt of the different metal for insert casting onto said billet and a...
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JPS6142469A |
PURPOSE: To reduce the man-hour for working of a product and to improve the yield thereof by dividing the space of a casting mold by means of heat insulating materials for partition and casting a molten metal into the mold in the state o...
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JPS6142451A |
PURPOSE: To provide a titled casting mold which improves the heat transmission between a molding board and the mold by the constitution consisting in providing peripherally detaining parts to the side face in the bottom of the flat casti...
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JPS6142450A |
PURPOSE: To produce a hollow steel ingot having fine and dense structure and high quality by installing concentrically a cylindrical core into a casting mold and pouring a molten steel into the mold then solidifying the molten steel whil...
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JPS6142403A |
PURPOSE: To obtain a seamless metallic pipe at a low cost from an alloy metallic ingot of a hardly workable material at the smaller man-hour without being limited by the size thereof by specifying the solidified structure of the ingot ob...
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JPS614437Y2 |
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JPS6123555A |
PURPOSE: To eliminate the disturbance of the molten steel in casting molds on the upper stream and to economize the amt. of the material to be used in the molds by making the sectional area of the runners formed in the lower part of ≥2...
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JPS6117261U |
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JPS6120646A |
PURPOSE: To improve the heat insulatability of molten metal and to prevent the oxidation thereof by using a granular material which consists of a porous seed in the central part and is formed a dense shell in the outside circumferential ...
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JPS6114041A |
PURPOSE: To increase considerably the number of use by using a riser flask made of silicon nitride having specific heat conductivity and deflection strength. CONSTITUTION: The riser flask made of the silicon nitride having ≤12kcal/mh°...
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JPS611968Y2 |
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JPS617045A |
PURPOSE: To clad a core material and cladding metal at an optional cladding ratio by providing a partition wall moving in a casting mold so that the casting space in the mold to be poured therein with a molten metal for insert casting ca...
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JPS617060A |
(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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JPS614846U |
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JPS613638A |
PURPOSE: To prevent the internal cracking of a large-sized and thick-walled hollow steel ingot and to form the ingot having defectless inside surfaces and internal characteristics by disposing a shinkable body into a composite core so th...
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JPS611447A |
PURPOSE: To clean the surface of a cladding metal by the rise of an inert gas and to prevent scum intrusion by positioning the slab or thick plate of the cladding metal into a casting mold and casting a molten steel which is a base metal...
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JPS611448A |
PURPOSE: To obtain a clad steel ingot having a clean boundary without sticking of scum and oxidation by loading a clad material to the inside of a casting mold in tight contact with the inside wall of the mold and filling the melt of a b...
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JPS6059068B2 |
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JPS60190447U |
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JPS60255238A |
PURPOSE: To produce a clad ingot without generation of defective adhesion, exfoliation, crack, etc. by supporting a core material in a casting mold in such a way that the surface of the core material to be joined to a cladding metal incl...
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JPS6041333Y2 |
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JPS6057412B2 |
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JPS6056561B2 |
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JPS60244447A |
PURPOSE: To prevent intrusion of foreign matter into a molten steel and to obtain defectless boundary adhesiveness by specifying the concn. of O2 in a combustion gaseous atmosphere and preheating the surface of a cladding metal to be joi...
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