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| Number | Title | Issue Date |
| 7275583 | Apparatus for processing molten material An apparatus for processing molten material into a desired shape comprises a die or mold forming a cavity to receive molten material and to allow its solidification within the cavity. A source of vacuum is connectable to the cavity for sucking air out. A hollow afte... | 10/02/2007 |
| 7140415 | Method and apparatus for direct pour casting A direct pour metal casting process and casting mold having a direct pour passage. The casting mold is filled from a bottom pour ladle that dispenses molten metal into a riser core. The riser core defines an opening that progresses from a circular opening in the top... | 11/28/2006 |
| 7011137 | Molding device The molding device comprises a lower mold unit and an upper mold unit. When the upper mold unit approaches the lower mold unit, a molding cavity is defined between the lower and upper mold units. The lower mold unit has a storing chamber that is communicated with th... | 03/14/2006 |
| 6910520 | Mold for casting There is disclosed a mold (1) for casting including: a lower mold (6) having four gates (5) (at least one gate); an upper mold (7) being matched with the lower mold (6) to form a cavity; and side molds (2a), (2... | 06/28/2005 |
| 6752197 | Injector particularly for vacuum die-casting apparatus An injector particularly for a vacuum die-casting apparatus, comprising an injector body provided with at least one first opening for injecting/aspirating a protective gas and at least one second opening for loading molten material, which are arranged in order of op... | 06/22/2004 |
| 6523598 | Vacuum induction melting system The vacuum induction melting system is designed to be operated in a continuous or semi-continuous manner for extended periods of time for increased efficiency, and makes it possible to easily and quickly remove the induction furnace from the melt chamber ... | 02/25/2003 |
| 6360810 | Vacuum induction melting system A vacuum induction melting system includes a melt chamber which forms an airtight enclosure, with an induction furnace located within the melt chamber. A mold tunnel is connected to the melt chamber adjacent its lower end, with the mold tunnel including a... | 03/26/2002 |
| 6202733 | Apparatus and method of forming battery parts An apparatus and method for pressure casting a battery part wherein the state of molten lead is monitored so that when the molten lead enters a liquid-to-solid transformation stage, the volume of the mold available for the lead to solidify therein is quic... | 03/20/2001 |
| 6148902 | Multiple die casting machines with single vacuum source A vacuum die casting system has three die casting machines connected to a single vacuum system, all of which is controlled by a programmable logic controller. The controller allows any two of the machines to be operatively connected to the vacuum system s... | 11/21/2000 |
| 6035922 | Method for manufacturing a casting and apparatus therefor To provide an apparatus for manufacturing a casting, in which sealing can be formed between joint surfaces of a mold without using any packing material. An apparatus for manufacturing a casting comprising a mold split into at least two mold parts designed... | 03/14/2000 |
| 5908065 | Apparatus and method for squeeze casting Squeeze casting of high integrity, near net shape castings is performed in a mould cavity defined by cooperating die parts which are movable with respect to each other and have a separation distance which is selected to define a predetermined cavity volum... | 06/01/1999 |
| 5842509 | Application method of powder mold lubricant to vacuum die-casting mold and vacuum die-casting apparatus An application method of a powder mold lubricant for a vacuum die-casting mold can effectively apply the powder mold lubricant onto a mold surface of the mold cavity with supplying the powder mold lubricant in small amount, can avoid liquefying of the pow... | 12/01/1998 |
| 5540271 | Low vapor point material casting apparatus and method The apparatus comprises a vessel having an interior. A mold is disposed within the interior of the vessel. A casting material is contained in the interior of the vessel. The apparatus also comprises a mechanism for providing the casting material to the mo... | 07/30/1996 |
| 5454416 | Vacuum casting apparatus A vacuum casting apparatus in which a molding cavity is reduced in pressure substantially to a vacuum, and upon opening a gate, a molten metal which has been raised to a molten metal retaining dome is charged into the molding cavity via a runner at a high... | 10/03/1995 |
| 5443111 | Permanent mold for casting reactive melt For a steel mold, one or more titanium melt inlet-forming members are provided for cooperating with the steel mold members to form an melt ingate that communicates to the mold cavity for supplying the melt thereto in a manner to avoid harmful iron contami... | 08/22/1995 |
| 5431212 | Method of and apparatus for vacuum casting In a method of vacuum casting wherein when the molten metal previously introduced into a molten metal reservoir is fed into a cavity, the lowest head of the molten metal in the molten metal reservoir is held to be higher than the level of a sprue, so that... | 07/11/1995 |
| 5427170 | Vacuum casting apparatus and method A vacuum casting apparatus includes a plurality of pressure pins arranged in a molding cavity, and at least one pressure pin is located in a portion of the molding cavity farthest from a gate. The pressure pins are operated to pressurize the molding cavit... | 06/27/1995 |
| 5423369 | Apparatus for and method of vacuum casting In a method of vacuum casting molten metal sucked from a molten metal reservoir into a cavity held under a reduced pressure by opening a gate having been blocking the communication between the molten metal reservoir and the cavity, the trapping of gas and... | 06/13/1995 |
| 5385198 | Vacuum casting apparatus A vacuum casting apparatus of the type wherein a gate mechanism (12 and 10) is closed to form a seal. The interior of a cavity (6) is evacuated by a vacuum pump. The side of the gate mechanism (12 and 10) opposite to the cavity is filled with molten metal... | 01/31/1995 |
| 5383514 | Vacuum casting apparatus A vacuum casting apparatus includes a molten metal passage for delivering molten metal into a sprue of a casting die encapsulated in a enclosure, a cylindrical stoke for communicating the molten metal passage with a reservoir tank, a stoke connecting memb... | 01/24/1995 |
| 5358027 | Vacuum-assisted gravity pour casting apparatus A vacuum-assisted gravity pour casting apparatus (10) has a vacuum housing (12) with a fixed top portion (14) and a moveable bottom portion (16). A lower portion (80) of a filling vessel (62) extends through an opening (30) in the top portion (14) and sea... | 10/25/1994 |
| 5275226 | Method and apparatus for casting A porous preform is placed in a nonporous mold chamber of a pressure vessel. A material is placed in a crucible of the pressure vessel. The pressure vessel is evacuated through a snorkel fluidically connected to the mold chamber and extending therefrom ou... | 01/04/1994 |
| 5257658 | Handy casting chamber An inexpensive vacuum casting chamber is provided to considerable increase casting production in vacuum assist casting machines. This vacuum casting chamber will increase casting production in vacuum assist casting machines by allowing perforated flask to... | 11/02/1993 |
| 5246055 | Vacuum die-casting machine with apparatus and method for controlling pressure behind piston A vacuum die-casting machine has a bellows forming a sealed enclosure between the rear of the fill chamber and the piston rod. A vacuum is applied to the enclosure during evacuation of the die cavity and charging of the fill chamber with molten metal. As ... | 09/21/1993 |
| 5111871 | Method of vacuum casting A porous preform is placed within a permanent, nonporous, thin walled mold chamber. The mold chamber is disposed within a pressure vessel. A material is placed in a crucible of the pressure vessel. The pressure vessel is evacuated through a snorkel fluidi... | 05/12/1992 |
| 5101882 | Die cast vacuum valve system A die casting vacuum valve has a cover die block and ejector die block. A cushion member is positioned in the cover die block and a reciprocating member is positioned in the ejector die block such that upon reciprocation of the reciprocating member, it co... | 04/07/1992 |
| 5092390 | Method and mold for sand casting varying thickness articles Molten metal is cast in a cavity formed within a permanent, metal mold. The major portion of the cavity is lined with a sand liner whose thickness is reversely correlated to the thickness of the integral sections of a varying thickness cast metal article.... | 03/03/1992 |
| 5044911 | Apparatus for injection casting metallic nuclear energy fuel rods Molds for making metallic nuclear fuel rods are provided which present reduced risks to the environment by reducing radioactive waste. In one embodiment, the mold is consumable with the fuel rod, and in another embodiment, part of the mold can be re-used.... | 09/03/1991 |
| 4649984 | Method of and apparatus for casting metal strip employing a localized conditioning shoe An apparatus for casting metal strip includes a nozzle having an orifice for depositing a stream of molten metal onto a casting region of a moving chill surface. A conditioning shoe is located generally upstream from the nozzle in a direction opposite to ... | 03/17/1987 |
| 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 |
| 4541865 | Continuous vacuum degassing and casting of steel The invention provides an improved system for continuous processing of molten steel and other metals comprising continuous withdrawal, vacuum treatment and casting, employing a specialized post-treatment vessel stationed adjacent to a continually maintain... | 09/17/1985 |
| 4524817 | Centrifugal casting unit for the production of precision castings The present invention relates to a centrifugal casting unit, in which a casting mold has a central distributing pan into which melts, produced inductively, are introduced. The casting unit includes workpiece-molds for precision castings, arranged on the p... | 06/25/1985 |
| 4508157 | Self-tapping support for shell molds A method of casting metal in a gas permeable shell mold in which a vacuum is applied to an external upper mold surface by engaging the mold in the downwardly facing opening of a generally cylindrical vacuum chamber, defined by a chamber wall with a thread... | 04/02/1985 |
| 4478270 | Apparatus for casting low-density alloys Apparatus for casting of low-density metals, such as magnesium alloys, into an air-permeable mold includes a housing forming a substantially airtight chamber in which is disposed a mold assembly including a mold secured between top and bottom plates by en... | 10/23/1984 |
| 4467857 | Casting apparatus A casting apparatus wherein a weighted lever operated plunger has its operational rate regulated by a friction brake. A movable weight on the lever provides a selection of amplified operating force on the plunger. The lever is coupled with the piston of a... | 08/28/1984 |
| 4425932 | Siphon ladling apparatus A device for transfer of critical liquids, such as molten metals, has a body member including a short leg inlet liquid conveying passage submergeable in a large storage vessel containing the critical liquid. An intermediate high level liquid conveying pas... | 01/17/1984 |
| 4417617 | Apparatus for vacuum casting of rods An apparatus for forming metal articles, such as rods and tubes by aspiration casting is provided in which a hollow frangible mold, such as a glass tube, is immersed at one end in a molten metal bath, a vacuum is applied to the other end controlled with r... | 11/29/1983 |
| 4301855 | Apparatus for producing metal ribbon An apparatus for producing a metal ribbon has a rotary roll. Molten metal is poured from a heated nozzle onto the outer peripheral surface of the roll to form a solidified metal ribbon on the roll surface. To facilitate easy separation of the metal ribbon... | 11/24/1981 |
| 4290475 | Ingot casting Disclosed is a mold structure for casting large metallic parts such as ingots so as to avoid the formation of the "shrinkage pipe" which normally develops on the exposed top surface of such castings during their solidification. The structure comprises a c... | 09/22/1981 |
| 4254817 | Metal casting apparatus A casting furnace includes upper and lower chambers, separated by a wall having a pouring path extending therethrough. A crucible is positioned in the upper chamber and a mold is positioned in the lower chamber, both in alignment with the pouring path. A ... | 03/10/1981 |
