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7270172 |
Process for casting a metal
This invention relates to an improved process for casting a metal by pouring molten metal into and around a casting assembly, where a riser containing a sleeve is a component of the casting...
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6419004 |
Mold or wide cross section for the hot-top vertical continuous casting of metals
A mold for hot-top vertical continuous casting of metals includes a feed head ( 8 ) made of a thermally insulating refractory material which surmounts a cooled copper crystallizer ( 9 ) and is...
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5299625 |
Riser sleeve with breaker core
A riser sleeve with a breaker core comprises a sectionally V-shaped riser sleeve having a bottom opening and a breaker core having a central opening and attached to the bottom of the riser sleeve....
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5180506 |
Hot top lining assembly for ingot moulds
A hot top lining assembly for an ingot mould or for an ingot mould head box is made up of four boards of refractory material and fixed together by means of a guide bar incorporated in a...
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4809946 |
Hot top with sealing angle bar
The hot top utilizes an integral angle iron structure connected to the hot top for avoiding seal leaks of molten metal through the space between the bottom portion of the hot top and the top of the...
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4779669 |
Feeder sleeves
A feeder sleeve (1') for use in the casting of molten metal has a cavity (8) whose cross-sectional area at the bottom of the cavity (8) is greater than the cross-sectional area at the top of the...
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4721278 |
Lightweight reusable hot top
A reusable hot top includes a shell having an aperture therethrough providing an inner wall. The shell has an upper end portion and a lower end portion which seats on a mold. A liner comprised of...
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4694884 |
Molten metal casting and feeder sleeves for use therein
Molten metal is cast in a mould having a feeder cavity, which may be defined by a feeder sleeve, whose surface has a plurality of elongate projections or ribs spaced apart around its perimeter, the...
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4643387 |
Formwork system
A formwork system (10) comprising frame elements (11), posts (12) for arrangement between the frame elements if necessary locking means (21), together with formwork sides (13). The frame elements...
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4582112 |
Weight-controlled casting of fully-killed steel ingots
In the ingot casting of killed-steel steels, insulative walled reservoirs known as hot-tops are employed at the top of the mold to maintain a source of molten steel which can feed the shrinkage...
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4546952 |
Ingot mold with hot top board assembly
A disposable hot top board includes a compressible seal positioned along the outer surface of the board to form a seal between the bottom of the board and the mold wall. In a preferred form, the...
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4526338 |
High pressure molding riser
A casting riser including a top support member and an internal support member to receive the high pressure molding forces to enable the casting riser to withstand the high pressure molding forces.
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4515341 |
Ingot mould having a hot-top inside the upper part of the mould
The ingot mould comprises a hot-top positioned inside the upper part of the mould and comprising an inner wall formed by at least one plate of a material capable of withstanding contact with a...
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4462834 |
Ladle covering compound
The exposed surface of a molten metal, ferrous or non-ferrous in a ladle is covered by an expanding insulating ladle covering compound that is capable of absorbing and removing non-metallic...
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4431158 |
Controlled rotation self-inverting hot top casing
A hot top casing for cooperation with an ingot mold body is provided having a depending portion from which a pair of trunnions extend away from the casing and a second pair of trunnions extend...
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4354658 |
Hot top construction
A hot top consists of a number of sheets of insulating fibrous material. The principally vertical walls of the hot top consist of a number of sheets located close to and joined to one another. When...
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4352482 |
Hot tops
A hot top lining for use in casting metal ingots is positioned in the mouth of the mould or in a head box at the top of the mould and comprises a plurality of refractory, heat-insulating lining...
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4330922 |
Assembly and method of attaching to ingot mold
A novel hot top mounting method is disclosed for use in attaching insulation to the upper interior portion of an ingot mold. The mounting method comprises (1) applying a plurality of thin steel...
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4285491 |
Sectional hot top
A hot top for an ingot mold has a plurality of sections mateable along adjoining edges. The sections include two diametrically opposed lift sections engageable by a crane for transporting the hot...
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4261750 |
Improved exothermic anti-piping composition
An exothermic anti-piping composition of the type which is formed of a refractory heat-insulating material, an exothermic compound, and an expanding media, and wherein the expanding media is...
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4244552 |
Corner wedging consumable hot top
A corner wedging consumable hot top for ingot molds is formed of four side board sections and four corner wedges made of a combustible consumable material capable of being wedged in opposed...
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4240496 |
Heat-insulating articles
The invention provides shaped, refractory, heat-insulating articles, for use in a metallurgical vessel, comprising particulate refractory material, binder and particulate de-fibred bagasse or the...
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4188010 |
Casting risers
An improved casting riser is provided of two different materials, an upper portion having a low thermal conductivity for retaining the heat of the metal in the riser liner and a lower portion...
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4186908 |
Expandable hot top for ingot moulds
An expandable hot top for use in ingot moulds has six panels hinged to one another, two pairs of which are arranged to be folded inward with accordion-like folds for simplified placement and...
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4141406 |
Breaker cores
A breaker core for use in metal casting is described. The core is located in a casting mould between a riser and the cavity corresponding to the casting. The core consists of a base having an...
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4131152 |
Feeding unit for a casting
A feeding unit comprising a breaker core and a riser sleeve. In a first embodiment the breaker core has a thickness of 10% of the diameter of the riser sleeve and the opening in the breaker core is...
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4121805 |
Self adjusting consumable hot top for ingot molds
A self adjusting consumable hot top is formed of a pair of bendable shape adjusting sections of a combustible consumable material capable of being wedged into opposed relation in an ingot mold so...
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4119468 |
Particulate metallurgical hot topping compositions and method of use
Preparation of particulate metallurgical hot topping compositions that react in situ to form a protective cover over the exposed surface of as-cast ingots. The compositions consist essentially of 9...
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4081020 |
Mould assemblies for use in casting molten metals
A mould assembly for casting molten metal which comprises a book mould, the upper parts of the walls of the upwardly open cavity of which are lined with hot top lining material and wherein...
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4081168 |
Hot top lining slabs and sleeves
Flexible hot topping liners having improved properties comprise refractory, deformable, self-supporting, fibrous liners which have, in their dry condition, flexibility, restitution and droop...
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4046187 |
Process of manufacturing killed steel ingots of superior quality
A process of manufacturing killed steel ingots of superior quality by forming the sound hot top portion and reducing the concentration of nonmetallic inclusion in the mushy zone of ingot bottom,...
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4042206 |
Monoblock hot tops with aligned fibrous material
A heat-insulating and retaining molding for hot tops of a hollow monoblock type for placing on the upper end of a ingot mold at the time of making steel ingots, characterized by the construction of...
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4012262 |
Manufacture of thermally-insulating, refractory articles
A composition for use in the manufacture of thermally insulating, refractory articles, containing particulate refractory material and from 1 to 20 percent by weight of fibrous organic material, for...
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3975200 |
Moulding for the heat retention of feeder head in casting molten metals
A moulding for the heat retention of feeder head top surface in casting molten metals is based on a mixture consisting of charcoal and a binder, and said charcoal is laminated with directional...
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3904166 |
Hot top liner unit with flexible plastic envelope
An insertable liner unit is provided for hot topping in ingot molds and the like. The liner unit is comprised of a plurality of side board members contained in end adjacent relationship within a...
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3861979 |
FIXING OF SLABS TO WALL SURFACES
Hot top lining slabs or other articles may be affixed to a receptor surface by affixing to the slab or article a strip bearing a bead of a resin which on heating successively melts, sticks and...
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3856258 |
X-SHAPED HOT TOP CORNER WEDGE
The tapered corner wedge made of a sheet metal material is utilized to press refractory panels into tight abutting engagement with the walls of an ingot mold or the like. The corner wedge...
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3848655 |
METHOD OF MAKING A STEEL INGOT
A method of making a steel ingot which comprises pouring molten steel into a steel ingot forming mold having a molded material for maintaining the side portion of the molten steel in a hot...
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3836112 |
FLAT FOLDED HOT TOPPING ASSEMBLIES
Hot topping assemblies consist of an endless belt of hot topping material which can be folded flat for storage and opened out to use.
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3809355 |
HOT TOP MAINTAINING SYSTEM FOR AN INGOT MOLD
The improved hot top maintaining system permits disposable hot top sideboards to extend above the ingot mold. A chill wedge is used in combination with a wedge plate positioned within converging...
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3808671 |
METHOD OF MAKING HOLLOW CAST ARTICLES FROM METAL ALLOYS HAVING LONG FREEZING RANGES
A technique for improving the physical properties of thin walled castings and reduction or avoidance of hot tearing in such castings involves casting in the inverted position, preferably using no...
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3797801 |
FOUR-PIECE HOT TOP WITH FOLDABLE SUBASSEMBLIES
This invention relates to a hot top of the type used to insulate the reservoir of an ingot mold into which molten steel is poured that consists of a pair of foldable wall section and corner post...
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3785609 |
DEVICE FOR THE TREATMENT OF FERROUS METAL INGOTS WHICH ARE INTENDED TO BE REMOVED FROM MOLDS WITHOUT HOLD-UP PERIODS
The device is constituted by a heat-insulating and/or exothermic lining, comprising a single element or a number of juxtaposed elements, provided with a metallic reinforcement which has an...
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3769046 |
HOT TOPPING
In the casting of metals, the use of compatible exothermic hot topping material in compressed agglomerated form, having an ignition time greater than five minutes, reduces air pollution and safety...
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3762680 |
HOT TOP FOR INGOT MOLDS
A hot top for use in connection with the pouring and forming of metal ingots in molds. The hot top is of the type which would tend to float on molten metal if not secured to the mold and it...
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3752435 |
INGOT-MOLDS COMPRISING INGOT INSULATING MEANS
The invention relates to ingot-molds which are intended to be stripped from ingots very shortly after filling. The ingot-mold comprises ingot insulating means comprising a heat-insulating lining...
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3746298 |
HOT TOPS WITH SPRING CLIP ENGAGING MEANS ON INNER SURFACES OF ABUTTING SLABS
Hot tops of two or four thin slabs are described which are held in place by U-shaped spring clips, biasing opposite or adjacent slabs away from one another and serving to wedge the slabs tightly...
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3739833 |
ASSEMBLY METHOD FOR THE LINING OF HOT TOPS AND THE LIKE IN FOUNDRY PRACTICE
Hot top tiles are secured together by the use of H-section metal strips, the edges of the tiles being secured in the openings of the H-section.
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3737138 |
APPARATUS FOR LOCKING HOT TOPS
A hot top for a generally rectangular ingot mold comprising at least a pair of side boards, hanger clips for suspending the side boards adjacent the upper portion of opposite sides of the ingot...
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3722848 |
HOT TOP SECURING SYSTEM
A hot top securing system for securing preformed sideboards within an ingot mold. The securing system employs end adjacent side boards having grooves therein which form downwardly convergent wedge...
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