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| Number | Title | Issue Date |
| 8312913 | Casting process A method of casting including coating at least a portion of a mold with a non-porous coating, placing the mold in a chamber capable of inducing pressure, and applying pressure to the chamber to press material into a cavity in the mold. Another method of casting incl... | 11/20/2012 |
| 7325772 | Aircraft heat sink and electronics enclosure An aircraft component including a first section adapted to be attached at an exterior surface of an aircraft to close an access opening through the exterior surface; and a second section extending outward from the first section and forming heat transfer surfaces to ... | 02/05/2008 |
| 7270166 | Fugitive pattern assembly and method A fugitive pattern assembly is made by preforming one or more fugitive patterns of an article to be cast, placing the preformed patterns in an injection die, and injecting fluid gating material into the die to form gating connected to the patterns. The fugitive patt... | 09/18/2007 |
| 7245026 | Configuration and method for contacting circuit structure A configuration and method for contacting a circuit is described. A carrier is disposed adjacent a circuit, and a setting element at which an electrical connection formed of a conductive material is disposed, so that the electrical connection connects the circuit to... | 07/17/2007 |
| 7213634 | Offset mold process An offset mold process deflects a mold assembly being conveyed along a first path laterally of that path into engagement with a nozzle using a shuttle car. Molten metal is pumped into the mold assembly, which is either a cope and drag mold or a lost foam mold, from ... | 05/08/2007 |
| 7210516 | Casting apparatus and method therefor A casting apparatus including a die that contains a molten metal that is poured via an opening section disposed above the die. The casting apparatus also includes a heater disposed above the die, and a gas supplying structure for supplying an inter gas to a surface ... | 05/01/2007 |
| 7134479 | Apparatus and method for low pressure sand casting A process for counter gravity sand casting including providing precision cores in a sand mould supported in a casting machine for rotation about a horizontal axis through the center of the mould, providing primary casting risers fed by a launder section, a pressure ... | 11/14/2006 |
| 6997231 | Method for vacuum diecasting and diecasting mould The invention relates to a method for vacuum diecasting and a diecasting mould (1), especially for diecasting components made of metal or the alloys thereof. The aim of the invention is to provide a better casting quality while simplifying the procedure of th... | 02/14/2006 |
| 6684934 | Countergravity casting method and apparatus Countergravity casting of metals and metal alloys provides for melting of the metallic material under subambient pressure, evacuation of a gas permeable or impermeable mold under subambient pressure, and controlled, rapid filling of the mold while it is m... | 02/03/2004 |
| 6615899 | Method of casting a metal article having a thinwall A method of casting a metal article comprising the steps of forming a mold having a mold cavity with a height, a thinwall portion and a base wall portion. The thinwall portion may be less than 0.05 inches thick and free of gating. The method comprises the... | 09/09/2003 |
| 6499529 | Centrifugal countergravity casting Method and apparatus for countergravity casting a plurality of articles wherein a ceramic mold is provided having an upstanding riser passage and a plurality of mold cavities disposed along a length of the riser passage at different elevations, each mold ... | 12/31/2002 |
| 6467531 | Method and apparatus for producing investment castings in a vacuum A gravity pour vacuum casting method and apparatus providing uniform set-up provisions for gas permeable molds regardless of mold size, shape, or mold type employed in accordance with the present invention. Apparatus includes a sprue-forming device that w... | 10/22/2002 |
| 6453976 | Lost foam countergravity casting A vaporizable refractory coated pattern assembly is formed having a sprue connected to a plurality of thin wall patterns of articles to be cast. The pattern assembly is supported in a refractory particulate media in an open bottom container that is evacua... | 09/24/2002 |
| 6422293 | Method and installation for low pressure die casting in a mould ceramic casting die Placed in a box (1) is a ceramic shell (21) delimiting a casting space (22), the shell being surrounded by a mass of binder-free sand (23). The casting space is connected to a source (4) of liquid metal located underneath, in which are applied, in success... | 07/23/2002 |
| 6311758 | Suction casting method and suction casting apparatus The first suction port is formed between a side die and the peripheral protrusion of an upper die. A release pin insertion hole is formed at the peripheral protrusion of the upper die which forms the upper end portion of the cavity. A release pin is inser... | 11/06/2001 |
| 6305460 | Method for casting In order to increase casting production during a filling of a mold from below, whereby an uptake for the casting mass is provided in the molding sand of the mold, immediately after the filling of the mold has been concluded a part of the uptake, which par... | 10/23/2001 |
| 6276046 | Molding method for bicycle metal frame A molding method for bicycle metal frame, including the steps of: pouring a fixed amount of molten metal into a reservoir with the relatively light oxide membrane floating on the upper surface of the clean and pure molten metal, the male and female molds ... | 08/21/2001 |
| 6257312 | Preparation of metal-matrix composite materials with high particulate loadings by concentration A composite material having less than about 25 volume percent refractory particles in a metal matrix is concentrated to have about 37-45 volume percent refractory particles. The concentrating is accomplished by heating the composite material to melt the m... | 07/10/2001 |
| 6247521 | Pressure difference control method for filling a cavity with melt A melt filling pressure difference control method controls a pressure difference used to supply melt from a holding furnace to a cavity of a casting machine by generating a pressure difference between an interior space of holding furnace and the cavity fo... | 06/19/2001 |
| 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 |
| 6125914 | Method for making a composite part with magnesium matrix by infiltration casting A mold having a supply tube in a lower portion and in which has been placed a fibrous preform, is placed in a container. A crucible filled with magnesium blocks is placed under the mold. The magnesium is heated and the mold is preheated under vacuum until... | 10/03/2000 |
| 6070649 | Method for pouring a metal melt into a mold Disclosed is a method and apparatus for a metal melt, especially steel, into a vertically oscillating mold via a tundish or intermediate vessel provided with an immersion nozzle to generate endless strands, especially thin strands of steel wherein the int... | 06/06/2000 |
| 6044893 | Method and apparatus for production of amorphous alloy article formed by metal mold casting under pressure A method and apparatus for producing a formed article of amorphous alloy by a simple process are disclosed. A molding apparatus comprises a forced cooling casting mold which is provided with a sprue and at least one molding cavity communicating with the s... | 04/04/2000 |
| 6003586 | Heat-sinking structures and electrical sockets for use therewith A process of making a heat-sinking structure, which includes providing a mold having cavities closed at one end and open at another end, the cavities corresponding to the heat dissipating surfaces on the heat-sinking structure, at least partially evacuati... | 12/21/1999 |
| 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 |
| 5868192 | Method of casting bangle parts The investment casting method uses the lost wax method and involves using a model to form a wax piece in the desired shape such as the shape of the snap element or the shape of two hinge halves, making a tree out of a multitude of the wax pieces, adding s... | 02/09/1999 |
| 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 |
| 5740854 | Production methods of metallic glasses by a suction casting method This invention provides a glassy metal-suction casting method capable of readily and conveniently producing a large-sized amorphous material with excellent properties as an amorphous material. Such an object of the invention is attained by filling a metal... | 04/21/1998 |
| 5738163 | Levitation melting method and a levitation melting and casting device A levitation melting method and device through which a material having various configurations can be melted through efficient induction heating. First, a starting material(WB), whose outer diameter has been adapted to the inner diameter of a crucible(13),... | 04/14/1998 |
| 5706880 | Vacuum casting method and vacuum casting apparatus An apparatus and method for casting metal in an evacuated mold cavity. The apparatus has a preferential suction zone through which a mold can be preferentially and effectively evacuated and a suction head sealingly fitting the upper surface of the mold. T... | 01/13/1998 |
| 5620041 | Vacuum casting apparatus and method using flange-free stalk A vacuum casting apparatus secures gas tightness of the die cavity without welding together a straight-tubular stalk and a flange or flanges, thus permitting an excellent quality casting. A flange is mounted on an outer periphery of a stalk, and secured b... | 04/15/1997 |
| 5597032 | Controlled method for injection casing using a mold under vacuum, especially intended for aluminium or magnesium alloys and device for carrying out said method A device for injection casting includes a furnace within which is position a crucible, a bell mounted atop a table into which a mold is positioned and a tube interconnecting the crucible and the mold. A device is provided to sense the level of metal withi... | 01/28/1997 |
| 5555925 | Vacuum casting apparatus using flange-free stalk A vacuum casting apparatus secures gas tightness of the die cavity without welding together a straight-tubular stalk and a flange or flanges, thus permitting an excellent quality casting. Two flanges are mounted in a mutually spaced-apart relation on an o... | 09/17/1996 |
| 5509458 | Vacuum casting apparatus and method using the same A vacuum casting apparatus of the invention in which a melt is introduced into a mold cavity under vacuum, comprises (a) a vacuum vessel having at least one opening at its bottom; (b) a mold disposed within the vacuum vessel and having a mold cavity, a ru... | 04/23/1996 |
| 5492165 | Machine for filling sand moulds with non-ferrous metals using a low pressure technique The machine for filling moulds with metal to be cast, in which a casing is provided comprises a fixed body and a mobile body. The mobile body is driven by a cylinder. The casing can be provided with a vacuum chamber which when closed houses, with the abil... | 02/20/1996 |
| 5462107 | Vacuum casting method In a vacuum casting method, a molding cavity is reduced in pressure to a vacuum, and when a gate is opened, a molten metal which has been raised to a molten metal retaining dome is charged into the molding cavity at a high speed. When a portion of a molte... | 10/31/1995 |
| 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 |
| 5404928 | Vacuum casting method In a vacuum casting method, a mold cavity is reduced in pressure to a vacuum, and when a gate is opened, a molten metal which has been raised to a molten metal retaining dome is charged into the cavity at a high speed. When a portion of a molten metal hel... | 04/11/1995 |
