| Patent Number |
Title Of Patent |
Date Issued |
| RE31589 |
Thermal insulation molten metal |
May 22, 1984 |
| There is disclosed a material and method for preventing heat loss from molten metal, one side of this material being impregnated with heat insulating refractory or exothermic material. The impregnated side has a porosity of less than about 50 AFS units and contains a binder. |
| D274912 |
Refractory tube |
July 31, 1984 |
|
| D270093 |
Tundish liner board |
August 9, 1983 |
|
| D266567 |
Insulating riser sleeve |
October 19, 1982 |
|
| D262311 |
Tundish lining |
December 15, 1981 |
|
| 4900603 |
Refractory, heat insulating articles |
February 13, 1990 |
| The invention relates to preformed, shaped, refractory, heat-insulating articles for use in an expendable sidewall lining of a molten metal handling vessel. The lining has a face at part of which is exposed a zone of matter of high resistance to erosion by molten metal and accompanying |
| 4750717 |
Tundishes |
June 14, 1988 |
| A tundish for continuous casting of molten metal having an outer metal casing and, adjacent the casing, a permanent refractory lining is provided with an inner, expendable lining comprising refractory, heat-insulating slabs having an erosion resistant backing layer and an inward facing l |
| 4675879 |
Induction furnaces |
June 23, 1987 |
| An induction furnace has an inner discardable lining formed from one or more preformed shapes of refractory, heat-insulating material. The discardable lining is easily replaceable using a minimum of time and effort. The lining provides more efficient furnace operation, as less electr |
| 4623131 |
Molten metal handling vessels |
November 18, 1986 |
| A molten metal handling vessel has an inner, expendable, refractory, heat-insulating lining containing particulate zircon and a binder. The vessel may be used for handling molten ferrous metals e.g. steel, including high manganese steel. The inner lining may be in the form of a shape |
| 4618079 |
Refractory, heat-insulating slabs |
October 21, 1986 |
| A refractory, heat-insulating slab for use in an inner, expendable lining of a tundish has a facing comprising magnesium oxide, inorganic binder but substantially no organic matter and a different backing. The facing has a combined water content not exceeding 2% by weight and the backing |
| 4524954 |
Method of operating a mixer type hot metal car for the transport of molten iron and a device for |
June 25, 1985 |
| A hot metal car is used for the transport of molten pig iron from a blast furnace to a steel making plant, the car having an opening through which it is filled and emptied. To restrict heat loss from the car, the opening is closed during at least one of (a) the journey from the blast fur |
| 4438515 |
Protection of graphite electrodes |
March 20, 1984 |
| Apparatus for protection of graphite electrodes of electric arc furnaces e.g. for steelmaking to reduce loss of graphite from sides of the electrode by oxidation has at least one generally arcuate spray unit and means for moving the spray unit towards and away from a side of the elec |
| 4435510 |
Protection of graphite electrodes |
March 6, 1984 |
| Matter for protecting graphite electrodes of electric arc furnaces, e.g. for steelmaking, to reduce loss of graphite by oxidation, comprises particles containing both a graphite-wetting fusible matrix material and a refractory filler. Methods of making and using the particulate matter ar |
| 4352482 |
Hot tops |
October 5, 1982 |
| 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 slabs at least one of which has, at its outward-facing surface and adjacent to its lower edge, |
| 4330107 |
Teapot ladle and method of use |
May 18, 1982 |
| A teapot ladle has an interior lining of low thermal capacity, low thermal conductivity refractory material which in contact with molten metal poured into the ladle forms an erosion resistant surface, and means for retaining the lining in place when the ladle is tilted.The lining materia |
| 4245761 |
Continuous casting |
January 20, 1981 |
| A tundish has a metal casing, an inner permanent lining, e.g. of refractory brick, an inner expendable lining within the permanent lining and formed of slabs of refractory heat-insulating material, and lining at the impact area of erosion resistant or sacrificial material. |
| 4240496 |
Heat-insulating articles |
December 23, 1980 |
| 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 like. The articles may be made by mixing the ingredients, pressing them in a former and caus |
| 4201606 |
Refractory exothermic heating insulating articles |
May 6, 1980 |
| Refractory articles are described which are of use e.g. as hot top lining slabs or riser sleeves in the metallurgical industry. The slabs are both heat insulating and they have exothermic properties when contacted by molten metal. The articles comprise by weight 8 to 20% of a particulate |
| 4199351 |
Treatment agents for molten metals |
April 22, 1980 |
| The invention provides a body for introducing a treatment agent into a metal melt e.g. a ferrous metal melt, the body comprising a volatile treatment agent e.g. magnesium dispersed in a matrix comprising refractory, heat-insulating material, a particulate material of high thermal con |
| 4194730 |
Molten metal handling vessels |
March 25, 1980 |
| Molten metal handling vessels e.g. tundishes consist of an outer metal casing, a relatively permanent refractory lining and an inner disposible lining made of a plurality of slabs of refractory heat insulating material. Channels formed in the permanent lining adjacent the joints betw |
| 4177855 |
Tundish and method of pouring molten metal therewith |
December 11, 1979 |
| The invention is for a method of pouring molten metal from a ladle to another vessel e.g. a mould, via an intermediate vessel e.g. a tundish, and to an intermediate vessel for us in such a method. Before pouring two refractory heat-insulating slabs are positioned in the intermediate vess |
| 4165026 |
Tundish with expendable lining and easily removable nozzle |
August 21, 1979 |
| A tundish has a metal casing, an inner permanent lining, e.g. of refractory brick, an inner expendable lining within the permanent lining and formed of slabs of refractory heat-insulating material, and at least one nozzle including a highly refractory nozzle ring set into the base of the |
| 4141406 |
Breaker cores |
February 27, 1979 |
| 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 aperture (which defines a neck between the casting and the solidified metal in the riser) and me |
| 4126301 |
Containers for molten metal |
November 21, 1978 |
| A molten metal container, e.g. a tundish, consists of an outer metal casing, usually a relatively permanent refractory lining and an inner expendable lining of refractory heat-insulating slabs, behind which slabs is a loose fill of particulate refractory material. In order that the l |
| 4121955 |
Treatment of electrodes |
October 24, 1978 |
| A method of treating an electrode used in an electric arc furnace at a steel plant, which comprises locating the electrode to be treated in a holder therefor by bringing the electrode to the holder using the main crane at the steel plant, bringing to the electrode in the holder a crane |
| 4076224 |
Tundishes |
February 28, 1978 |
| A tundish is described in which a refractory lined metal casing has an inner expendable lining. In the impact area, there is a pad of erosion resistant and sacrificial material. According to the invention, a body of refractory material of high thermal conductivity is located below the pa |
| 4055336 |
Lining slabs |
October 25, 1977 |
| A substantially planar slab has two opposite edges castellated in such fashion that two such slabs may be interengaged with the slabs in the same plane with the castellations of one edge of one slab interfitting the castellations on the other edge of the other slab. The sides of the |
| 4048134 |
Refractory heat-insulating materials |
September 13, 1977 |
| Lining slabs for prolonged contact with molten metals, e.g. for use in tundishes, are made from a refractory heat-insulating composition comprising by weight:0 to 1% bentonite clay0 to 4% cellulosic fibre4 to 8% synthetic resin binder0 to 7% refractory fibrous material, andBalance to 100% a |
| 4043543 |
Tundish with weirs |
August 23, 1977 |
| The invention provides a tundish comprising a casing having a floor with at least one outlet nozzle located therein and upstanding sidewalls, the casing having a permanent refractory lining, and an expendable partition of refractory heat insulating material being located adjacent one or |
| 4042229 |
Tundish with weirs |
August 16, 1977 |
| The invention provides a tundish comprising a casing having a floor, including an impact area, and upstanding sidewalls, the casing having a permanent refractory lining, and at least one expendable beam of refractory heat insulating material extending between opposite sides of the ca |
| 4012029 |
Tundishes |
March 15, 1977 |
| A tundish comprising an outer metal casing, a permanent lining of refractory material adjacent the casing, a layer of essentially unbonded particulate refractory material adjacent the permanent lining and, adjacent the layer of particulate refractory material, an expendable lining ma |
| 3960199 |
Expansible frame hot topping apparatus with wedge insertion means |
June 1, 1976 |
| The disclosure relates to apparatus for applying a hot top lining in an ingot mould or ingot mould head box. The apparatus comprises a pair of slab support members each having two faces adapted to support an L-shaped slab of hot top lining material such that the L-shaped slabs are suppor |
| 3933513 |
Refractory heat insulating materials |
January 20, 1976 |
| By the simultaneous use of a high-swelling clay and a flocculant for the clay, which also acts as a surface active agent, hot top lining slabs free of both paper and asbestos may be produced by a slurry dewatering process. |
