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JPH02179342A |
PURPOSE: To efficiently and quickly clean scale stuck to inner wall with grinding by inserting tip part of grind-cleaning nozzle into a mold and injecting particles for grind-cleaning together with compressed gas toward the inner wall of...
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JPH02169153A |
PURPOSE: To improve an yield of continuous casting and to secure soundness of an ingot by joining rear end of the previous vessel and front end of the next vessel and melting raw material in order as the integrated vessel at the time of ...
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JPH0276648U |
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JPH0216839Y2 |
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JPH0219747B2 |
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JPH0214853Y2 |
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JPH0214844Y2 |
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JPH0215300B2 |
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JPH0263646A |
PURPOSE: To prevent burning of seal packing, etc., and to reduce frequency of the changing by providing a carriage for seal valve having closed plate and pouring hole at pouring open part as horizontally shiftable and arranging a cylinde...
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JPH0252146A |
PURPOSE: To cast a steel ingot having the prescribed wt., to improve the yield and to reduce spare ingots by independently pressurizing molten steel surface in each mold with inert gas, to each ingot to enable adjustment of the pressure ...
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JPH0220642A |
PURPOSE: To intermittently cast a slab, which is possible to directly roll, at every slabs at low cost and high yield by using one unit of pouring nozzle and the specific number of assembling type molds and repeatedly using them while as...
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JPH0220643A |
PURPOSE: To cast a slab having the optional size and small lot slabs of high class steel having good quality at low cost and high yield as the solidified structure can be freely controlled by using one unit of a pouring nozzle and one se...
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JPH01309755A |
PURPOSE: To reduce feeder ratio and to shorten cut-off length at top part of steel billet by thickening the top part board thickness of a feeder heat insulating board more than the lower part board thickness in the feeder part and formin...
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JPH01293966A |
PURPOSE: To improve the quality and rollability of a metal block by arranging the die equipped with a semi-spherical recessed die half relatively movably to a sleeve and pressurizing by its die closing after pouring a molten metal into a...
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JPH0155049B2 |
PURPOSE:To save materials and to reduce costs large in the stage of blowing a heat insulating material to steel materials of high temp. and heat-insulating the same, by collecting the heat insulating material contg. the self-adhesives fa...
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JPH0154155B2 |
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JPH0137806Y2 |
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JPH0152111B2 |
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JPH01266944A |
PURPOSE: To stably enable intermittent pouring of molten steel by blowing pressurized gas into a runner chamber under opening condition of a nozzle after pouring the molten steel dy tilting a vessel into the runner chamber and introducin...
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JPH01151942U |
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JPH01503047A |
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JPH0147272B2 |
A process for removing an adhered substance from steel ingots, which comprises heating or cooling a steel ingot after the casting under such conditions that the heating or cooling rate at the surface layer portion of the steel ingot is n...
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JPH01249240A |
PURPOSE: To stabilize a manufacture and to improve the quality of a product by providing a graphite made core at the center of a mold, constraining the solidified tip of the inner diameter by the tip thereof as well and executing continu...
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JPH01241353A |
PURPOSE: To prevent the development of void or shrinkage hole in a cast metal block by arranging heat insulating means in molten metal introducing passage communicating with a cavity in a mold. CONSTITUTION: The spherical cavity 2 is arr...
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JPH01233056A |
PURPOSE: To improve the adhesion on the following joining face by fitting a scum sticking preventing plate onto the joining face cleaned and subjected to cementation preventing treatment to the base metal of a clad material in manufactur...
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JPH0141429B2 |
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JPH01128943U |
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JPH01128942U |
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JPH01218737A |
PURPOSE: To easily produce a hollow ingot which has a beautiful and smooth inside surface and does not generate any defect on the inside surface at the time of pipe making by solidifying a molten steel to the circumference of a core on t...
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JPH01218739A |
PURPOSE: To simply manufacture a pipe without any internal defect by supplying a metallic core into molten metal covering surface with flux to cast a hollow cast billet and rolling for pipe-making after taking out this out this core. CON...
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JPH0140703B2 |
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JPH01215426A |
PURPOSE: To manufacture strong structural metallic material by giving repeated forming to single crystal ingot and hardening it. CONSTITUTION: The single crystal ingot such as Al, etc., is cast by hot casting type continuous casting and ...
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JPH01180775A |
PURPOSE: To improve the surface quality of a steel ingot, to reduce the surface cutting allowance of the steel ingot and to improve the yield by coating a specified refractory material mold washing for casting on the inner wall face of a...
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JPH01180750A |
PURPOSE:To reduce the development of defect in a product by arranging pressurizing ram fixing refractory heat insulating material at the lower end thereof and pressing the ram to the top part of a steel ingot within the specific time aft...
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JPH01180749A |
PURPOSE: To reduce the development of porous defect in an ingot by immediately adding electric conductive flux on upper surface of molten steel after casting the molten Cr-Mo steel having high Cr content into a horizontal rotating mold a...
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JPH0133272B2 |
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JPH01162540A |
PURPOSE: To improve the vent of a generating lead vapor, the heat retaining property and fluidity as well simultaneously and to improve the surface material of a steel ingot by making the antioxidant coated on the molten metal surface in...
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JPH0129621B2 |
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JPH0120045Y2 |
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JPH0184854U |
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JPH01501536A |
A casting powder for use in ingot steel production through bottom pour process. The powder combines the crucial properties of existing bottom pour fluxes and hot topping compounds into a single, easily dispensed mixture. The present inve...
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JPH0126787B2 |
57 A method and an apparatus for manufacturing a hollow steel ingot are disclosed, which comprise coaxially arranging a cylindrical metallic core in a center of a mold and pouring molten steel into an annular casting space defined betwee...
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JPH0172940U |
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JPH01122635A |
PURPOSE:To manufacture an extremely thick steel plate having high quality at low reduction ratio and high yield by forging a cast slab after solidifying poured molten steel from bottom face of a mold and upper face. CONSTITUTION:The molt...
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JPH01118340A |
PURPOSE: To dilute concentrating component in molten steel and to obtain a sound ingot by using non-consumable type electrode during the initial period when holding heat in the poured molten steel is transmitted into a mold and the inter...
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JPH01113153A |
PURPOSE: To clean molten steel and to obtain a good slab by filling up inert gas in inner part of a mold covered with solidifying control cover providing plural small caps at the upper part and slowly cooling the molten steel while sucki...
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JPH0117788B2 |
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JPH0115349B2 |
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JPH0115338B2 |
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JPS6466061A |
PURPOSE: To improve the quality at joining face and each layer of an ingot having double layers by blowing non-oxidizing gaseous medium on surface of the molten steel in a mold to form two directional solidified ingot and next, pouring a...
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