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| Number | Title | Issue Date |
| 6729381 | Process for the production of industrial tubes or section bars from metal and related apparatus A process for the production of industrial tubes or section bars from metal, such as copper, copper alloys, special brasses, cupronickel or aluminum bronzes, includes the following steps: melting the metal material with possible compatible working scraps; obtaining ... | 05/04/2004 |
| 6550528 | Hot-top type continuous casting machine for hollow billet Provided is a hot-top type continuous casting machine for stably producing hot metal hollow billets having a high quality, which comprises: (a) a molten metal holding part fed therein with molten metal; (b) a ring mold arranged being connected to the molten metal h... | 04/22/2003 |
| 6470958 | Method of Producing a cooling plate for iron and steel-making furnaces A method for production of a cooling plate (50, 80) with integrated coolant ducts (52, 84) for iron and steel making furnaces, in particular blast furnaces, is described. A preform of the cooling plate (50, 80) is continuously cast by a continuous casting... | 10/29/2002 |
| 6401800 | Device and method for continuous casting of workpieces A device for continuous. casting of workpieces has a melting crucible, a filling device, and a forming tool provided with a temperature control system. The temperature control system of the forming tool is designed so that areas of the workpiece to be man... | 06/11/2002 |
| 6247520 | Pouring table die block positioning device for an uphill vertical continuous casting machine The invention relates to a device for positioning a die block (5) of a casting table (1) of a continuous vertical ascendant casting machine for pipes (T) with respect to a vertical axis of extraction (X--X), the die block (5) of the machine being fed by m... | 06/19/2001 |
| 6192971 | Clamping device for a pouring table in a machine for the continuous vertical casting of cast iron tubes A sealing device for a casting table of a machine for the continuous vertical casting along a vertical extraction axis (X--X) of cast iron pipes (T) includes a die block (5) aligned with the vertical extraction axis and a device (3) for the supply of liqu... | 02/27/2001 |
| 5732763 | Device for feeding molten metal particularly cast iron, to a casting machine, and casting installation incorporating same The molten-metal feed device (1), arranged between a source of molten metal and a casting machine for the ascending continuous casting of cast-iron pipes, has a modular structure (3, 16). This structure includes a syphon (3) for conveying the molten metal... | 03/31/1998 |
| 5279353 | Method and apparatus to effect a fine grain size in continuous cast metals Method and apparatus used for continuous casting of copper alloy rods and tubes for obtaining a fine grain size therein. Liquidus copper alloy material flows from a reservoir area or crucible into a continuous casting die through spaced apart feed slots d... | 01/18/1994 |
| 5052469 | Method for continuous casting of a hollow metallic ingot and apparatus therefor In a continuous casting a hollow ingot by means of a forcedly cooled tubular mold and a core, gas is introduced around an outer peripheral surface of the core along longitudinal slits to form an annular gap surrounding an inner peripheral surface of hollo... | 10/01/1991 |
| 5027881 | Continuous casting apparatus A chill mold in a continuous casting apparatus consists of a cast material, which is shrunk onto the cast-in central chill tube as well as the chill tubes which spirally surround the same. Components of the apparatus are re-usable. This is accomplished by... | 07/02/1991 |
| 4911221 | Production of billet or tube The invention provides apparatus for the production of a continuous uniform length of coherent metal. A cone 10 of atomized metal particles is deposited on a surface 12, which is continuously withdrawn in the form of a length of coherent metal 14. Shaping... | 03/27/1990 |
| 4901783 | Continuous casting apparatus A continuous casting apparatus wherein molten metal flows through a die progressively and is solidified in the die and withdrawn from the die comprising a die and cooling assembly including a tubular die having an external tapered surface which is uniform... | 02/20/1990 |
| 4875519 | Method of manufacturing hollow billet and apparatus therefor A method and apparatus utilizing a core is located at a central portion of a molten metal storing portion in a vertical semi-continuous mold. The molten metal is poured into the molten metal storing portion, and casting takes place with the inner diameter... | 10/24/1989 |
| 4800949 | Method and installation for the continuous manufacture of pipes from spheroidal graphite cast-iron having a controlled structure The invention concerns a method and apparatus for thermally treating cast-iron pipes formed in a continuous casting die. The pipe or tube undergoes tempering by passing through a vat which is located downstream from the continuous casting die. The vat con... | 01/31/1989 |
| 4775000 | Continuous casting of tubular shapes by incremental centrifugal material deposition An apparatus and process for the continuous casting of tubular shapes wherein molten metal from which the tubular shape is formed is centrifugally deposited adjacent to the outlet of a fluid-cooled mold by a nozzle assembly, with the metal being cooled an... | 10/04/1988 |
| 4766946 | Combination of casting nozzles for casting bar and tubular products vertically upwards A combination-use nozzle for continuous casting vertically upwards with or without vacuum, has a solidification pipe in a cooler in a fireproof thermal shield. To provide a simple and durable structure, the solidification pipe is short, with thin walls an... | 08/30/1988 |
| 4719959 | Apparatus for continuously producing hollow metallic ingot The apparatus comprises an annular water-cooled metallic mold having open upper and lower ends, a core member located in the inner space of the mold to form therebetween an annular casting passage for solidifying therein the molten metal supplied in the c... | 01/19/1988 |
| 4690199 | Apparatus for the rotary supply of molten cast-iron to an installation for the vertical continuous casting of a pipe from spheroidal graphite cast-iron Installation comprising a reservoir crucible 11, 12 for molten cast-iron F with step-by-step extraction of a pipe T produced from the crucible comprising a cooled die. To obtain a cast-iron pipe of uniform thickness over its entire circular periphery, des... | 09/01/1987 |
| 4632174 | Double boiler furnace for vertical ascending pipe casting In a continuous vertical ascending casting installation for iron pipes T, graphite elements 3 defining a molten metal feed chimney 28, a die and coaxial core arrangement 13, 14 and an expansion vessel 16 are mounted under a cover 2 of an electric furnace ... | 12/30/1986 |
| 4628987 | Apparatus for continuous vertical casting of iron tube In the continuous ascending vertical casting of an iron tube T without the use of a core to form the hollow tube interior, the molten iron is contained in a crucible made up of a cooled tubular die 6, 7 and the base 1 of a syphon unit. The crucible compri... | 12/16/1986 |
| 4614225 | Magnetic rotor for the continuous casting of hollow bodies The process and the device according to the invention relate to the continuous casting of hollow bodies made of metals such as aluminum, copper, steels of all types or other metals or alloys. The process involves introducing the liquid metal into an annul... | 09/30/1986 |
| 4612972 | Method and apparatus for electro-magnetic casting of complex shapes An apparatus is provided for electromagnetically coiling a molten material into a longitudinally extending casting defining a longitudinal axis thereof. The casting has a desired cross section extending perpendicular to the longitudinal axis. At least one... | 09/23/1986 |
| 4611651 | Method and apparatus for continuous casting of metal pipe with integral end fitting The vertically ascending casting of a thin-walled metal pipe and integral end fitting from a bath of molten metal is implemented using a housing 12 and a core 14 to mold the end fitting or bell housing and a tubular draw tube 6 to mold the pipe shank. The... | 09/16/1986 |
| 4546816 | Method and apparatus of continuously casting hollow round billets with a hypocycloidal mandrel and an inside rolling process The invention provides an apparatus and process to cast continuously high quality hollow round steel billets or tubes. The hollow round steel billets are produced by a compact, high production casting machine incorporating a rotating hypocycloidal mandrel... | 10/15/1985 |
| 4535832 | Continuous casting apparatus For use in a continuous casting apparatus wherein molten metal flows through a die progressively and is solidified in the die and withdrawn from the die, a die and cooling assembly comprising a tubular die having an external tapered surface which is unifo... | 08/20/1985 |
| 4531569 | Process and apparatus for producing tubes of reactive metals To produce tubes of reactive metals, a melt (14) is removed from the annu gap (13) of a crucible (10). The temperature of the melt (14) is such as to ensure the formation of the solidus-liquidus zone (33) directly behind the annular gap (13), a planar so... | 07/30/1985 |
| 4506723 | Tubular die for the continuous casting of a thin-walled tube The die (6) comprises a thick cylindrical body (7) which is surrounded by a cooling jacket (15) clamped against the pouring basin (2) and in contact with the latter in a plane (P). The body (7) is extended in the casting orifice (4) by a composite head (1... | 03/26/1985 |
| 4471830 | Continuous casting In the art of continuous vertical casting, an improved cooler assembly surrounds the forming die through which molten metal is poured for forming elongated metallic bar products which may be solid or hollow. The cooler assembly includes a cooling sleeve s... | 09/18/1984 |
| 4456053 | Apparatus for supporting and centering a die core in continuous tube casting A cap 42 with a lower spherical surface 46 is held against the flared head 38 of a casting core 24 and rests on the spherical upper surface of an annular bed 50 which is fixed above a casting head 12. The bed is coaxial with an enlarged orifice 40 for the... | 06/26/1984 |
| 4430388 | Method and apparatus for continuously casting a hollow metal blank, and the resulting blank A hollow blank, preferably of steel, for continuously casting by pouring molten metal into a continuous casting mold, withdrawing a shell containing liquid metal continuously from the lower end of the mold, directing the shell along a curved path, rotatin... | 02/07/1984 |
| 4355680 | Method and apparatus for continuous casting of hollow articles A method and apparatus (10) for the continuous casting of hollow articles (12) provides for the removal of liquid metal (49) from a mold (20) concurrently with the withdrawal of the solidified article (12). Undesirable reaction products, such as oxides, s... | 10/26/1982 |
| 4308908 | Methods and apparatus for effecting quick mandrel changes in continuous casting operations In continuous casting of tubular products, the same die is used with mandrels of different sizes depending on the internal diameter of the tubular product to be cast. This avoids the necessity of dismanteling the casting "set-up" in order to remove a die ... | 01/05/1982 |
| 4295516 | Symmetrical horizontal continuous casting Both the position and shape of the solidification front in molten metal passing continuously through the horizontal solidification chamber of a mold body are precisely controlled in the invention by establishing a cooling probe insertion pattern in which ... | 10/20/1981 |
| 4260010 | Dummy bar for use in machines for continuous casting of round hollow ingots A dummy bar successfully adapted to horizontal type machines for continuous casting of metals comprising a head with a central orifice for installing a mandrel and a bar connected to the head by a connecting assembly. The central orifice of the head has a... | 04/07/1981 |
| 4236571 | Process and installation for the continuous casting of tubular products The process is particularly intended for the casting of thin tubes of iron in a vertical annular die defined by a mould and a core. It comprises maintaining in the liquid state metal under pressure poured into the die and in contact with the core so as to... | 12/02/1980 |
| 4205716 | Continuous casting process and apparatus for production of metallic hollow ingot Continuous casting process for the production of hollow ingot using an improved direct chill casting equipment having a molding system comprising a hollow mold and a movable platform, wherein at least one core and a pipe for introducing outer air are prov... | 06/03/1980 |
| 4187898 | Mandrel for use in continuous casting of hollow ingots A mandrel for continuous casting of hollow ingots comprising a hollow rod having a collar and a tapered portion thereof introduced into a mold cavity. Mounted on the collar is a protective sleeve axially movable along the rod under the hollow action of a ... | 02/12/1980 |
| 4185684 | Machine for continuous casting by drawing-up A machine for continuous casting by drawing-up comprises at least two moulds positioned above a metal supply means, and, sequentially arranged in the drawing-up direction of the continuously cast product, a drawing-up means for pulling out said product fr... | 01/29/1980 |
| 4178982 | Method and apparatus for continuously casting hollow bars Method and apparatus for continuously casting hollow bars in which a one-piece mandrel is suspended from a support bar secured across the top of a female die by a retaining ring which holds down the female die. A cooler surrounds the female die and the re... | 12/18/1979 |
| 4154291 | Mandrel for continuous casting of tubular metallic members A mandrel for use in the continuous casting of tubular metallic members and receivable in a continuous casting die in a spaced relationship relative to the die side walls. The mandrel is preferably constructed from graphite to include a distinct freeze ar... | 05/15/1979 |
