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| Number | Title | Issue Date |
| 7987895 | Method and apparatus for improved heat extraction from aluminum castings for directional solidification Method and apparatus for improving the quality and mechanical properties of an aluminum alloy engine cylinder block or other large or complex castings by providing sand molds bound with a soluble binder only at locations on said casting from which rapid cooling for ... | 08/02/2011 |
| 7950442 | Die casting design method and software A method for designing the location, surface temperature, flow rate, length and type of cooling lines within a mold for a casting process. The method allows the user to optimize each value for each individual cooling line of the mold. The method can utilize one or m... | 05/31/2011 |
| 7232015 | Caliper body method of manufacturing caliper body of vehicular disc brake A method of manufacturing the caliper body of a vehicular disc brake by the gravity casting method. The caliper body is used for the vehicular disc brake wherein a pair of frictional pads are disposed opposite to each other with a disc rotor held therebetween. The c... | 06/19/2007 |
| 7169242 | Method of removing casting defects A method for removing casting defects (5) from an article (1) with an oriented microstructure can include locating at least one casting defect (5) and melting the casting defect (5) locally by a heat source (7) to a depth at least ... | 01/30/2007 |
| 6776213 | System for casting a metal article An apparatus for use in casting a metal article includes a furnace assembly into which a mold is raised and an annular fluidized bed adjacent to the furnace assembly. The mold is filled with molten metal and lowered into the fluidized bed. The molten metal is solidi... | 08/17/2004 |
| 6725900 | Method of deoxidation casting and deoxidation casting machine In the method of deoxidation casting, a disused metal left in a feeder head can be easily removed from a cast product, or the molten metal left in the feeder head can be removed from the cast product so as to easily finish the cast product. The method comprises the ... | 04/27/2004 |
| 6719034 | Process for producing a tube-shaped cathode sputtering target A process for producing a tube target for cathode sputtering plants, in which the tube target is formed from a metallic inner tube (target holder) made of a first material with a first melting point of Ts1≧900 K and a metallic outer tube (target) that c... | 04/13/2004 |
| 6695034 | System for casting a metal article The fluidized bed is formed of particulate material suspended in a flow of gas. A flow of particulate suspended in gas is conducted between a lower end portion of the fluidized bed and an upper end portion of the fluidized bed to cool the upper end portio... | 02/24/2004 |
| 6568456 | Method for manufacture of a directionally solidified columnar grained article A method and an apparatus for manufacturing a directionally solidified columnar grained article with a reduced amount of secondary misorientation of the columnar grains. The method employs a casting assembly comprising a mold with a cavity, a selector sec... | 05/27/2003 |
| 6557618 | Apparatus and method for producing castings with directional and single crystal structure and the article according to the method The present invention relates to metal casting and can be used in producing large sized blades with directional and single crystal structure having large horizontal shoulders. The apparatus comprises a vacuum chamber inside which there is positioned a mol... | 05/06/2003 |
| 6523599 | Casting furnace with centrally located heating element for producing directionally solidified castings A casting furnace (1) for producing castings which are directionally solidified in monocrystalline and polycrystalline form. The casting furnace (1) includes an upper heating chamber (2), which is equipped with a heating chamber wall (4) which contains at... | 02/25/2003 |
| 6443214 | Method for heat treating mold cast product A method for heat treating a mold cast product by releasing the product from a mold and hardening the product. Since the mold release is performed when a surface layer of the product held in contact with the mold has a hardening allowing temperature and a... | 09/03/2002 |
| 6443213 | System for casting a metal article using a fluidized bed An apparatus for use in casting a metal article includes a furnace assembly into which a mold is raised and a fluidized bed adjacent to the furnace assembly. The mold is filled with molten metal and lowered into the fluidized bed. The molten metal is soli... | 09/03/2002 |
| 6422294 | Casting apparatus and casting method of cylinder head To obtain a high-quality cast product of a cylinder head, a proper directivity to the cooling process of the molten metal after a pouring process by utilizing the shape of a cylinder head is discussed. In a process where molten metal is injected to a cast... | 07/23/2002 |
| 6199618 | Method of producing castings In order to produce castings from cast iron with foliated graphite, the carbon content of the cast iron can be set at between approximately 3 and 4% by controlling the melting process of the type and/or operation of the melting furnace. The molten mass is... | 03/13/2001 |
| 6114052 | Ingot plate made of thermoelectric material, rectangular bar cut from the ingot plate, and process of fabricating the ingot plate An ingot plate (10) of cleaveable thermoelectric material has a layered structure having substantially parallel cleavage planes. Substantially all of the cleavage planes are disposed at a less cleavage angle with respect to the upper and lower faces (11, ... | 09/05/2000 |
| 5931214 | Mold heating vacuum casting furnace Mold heating vacuum casting furnace system comprising a mold preheating chamber located above and connected to a vacuum casting chamber via an intermediate isolation valve. A mold elevator is provided in the casting chamber and can be moved into the mold ... | 08/03/1999 |
| 5913353 | Process for casting light metals A process for casting light metals. The process includes preheating ingots of the light metal in a protective atmosphere before being introduced into a melting furnace wherein the molten metal is degassed and filtered before transference in a heated deliv... | 06/22/1999 |
| 5855828 | Method of forming a composite structure such as a rocket combustion chamber A refractory composite structure is formed which comprises a ductile refractory metallic layer with a roughened surface which is tightly bonded to a refractory composite structural shell. The roughened surface is preferably dendritic in form and produced ... | 01/05/1999 |
| 5477906 | Casting of metal objects A mould assembly comprising mould segments of generally non-thermally conductive material which define a mould cavity is upwardly filled with liquid metal through at least one in-gate. A thermal extraction member of a high thermally conductive material co... | 12/26/1995 |
| 5421397 | Method of and system for casting engine blocks having defect free thin walls An improved method of and system for die casting an engine block made of aluminum is provided. Included in the system is a calorific fluid for circulating through a bore pin assembly in a preselected temperature range which is continuously maintained by a... | 06/06/1995 |
| 5348071 | Top fill casting The apparatus for casting comprises a pressure vessel and a device for pressurizing the vessel. The pressurizing device is in fluidic connection with the vessel. The apparatus is also comprised of a chamber disposed in the pressure vessel within which mat... | 09/20/1994 |
| 5316070 | Controlled casting of Al-Si hypereutectic alloys Al base - Si hypereutetic alloys can exhibit problems of variable and unwanted microstructure throughout the section of the article being cast. This problem is overcome by controlled cooling of the mold in critical areas, to remove or prevent excessive ac... | 05/31/1994 |
| 5314001 | Method of casting vehicle wheel The lower mold which forms the external side of the vehicle wheel is water-cooled by water-cooling pipes. The rib-forming portions of the upper mold which forms the internal side of the vehicle wheel are forcibly air-cooled by the air passages provided al... | 05/24/1994 |
| 5078200 | Method of cast-welding between finely pearlitized rails Aluminothermically produced steel is poured into a casting mold which surrounds the two rail ends. A cooling agent is applied to the surfaces of the rail heads of the rail portions adjacent the two casting mold halves. The cooling agent is applied after t... | 01/07/1992 |
| 5072771 | Method and apparatus for casting a metal article A long thin metal article having a thick portion is cast with a stress free interconnection between the thick and thin portions of the article. A heat transfer wall is provided around at least a portion of a mold in which the article is cast. To preheat t... | 12/17/1991 |
| 4905752 | Method of casting a metal article A long thin article having an enlarged end portion, such as a vane having a long thin airfoil and a shroud at the end of the airfoil, is cast by using a chill at the enlarged end portion of an article mold cavity. The chill is engaged by molten metal at t... | 03/06/1990 |
| 4862947 | Method of casting an article An improved mold has a coating of material having a relatively high emissivity. The surface of the coating has an emissivity which is at least twice as great as the emissivity of the surface of the ceramic mold material. When the mold is removed from a fu... | 09/05/1989 |
| 4813470 | Casting turbine components with integral airfoils Method and apparatus for controlling radial solidification in cast turbine wheel or nozzle assembly so as to produce an equiaxed fine grain structure in a hub portion and a directionally solidified grain structure in an integral blade portion by means of ... | 03/21/1989 |
| 4809764 | Method of casting a metal article A long, thin article or portion of an article of an equiaxed metal is cast without providing gates along the length of a portion of a mold cavity in which the long thin portion of the article is cast. Prior to casting the article, the lower half of the lo... | 03/07/1989 |
| 4804035 | Method of gravity casting A method of carrying out gravity mold casting, i.e., pouring of molten metal into a mold cavity under the force of gravity. This particular method features the application of a heating insulating coating or an equivalent coating on the surfaces of an area... | 02/14/1989 |
| 4759399 | Method and apparatus for producing hollow metal ingots Hollow metal ingots are produced by a hollow metal manufacturing apparatus comprising a mold placed on a stool, and a cylindrical metallic cooling core placed in the mold to form an annular casting space therebetween. During the casting, a cooling fluid i... | 07/26/1988 |
| 4729542 | Mold for producing connecting straps for lead batteries A mold for producing connecting straps for lead batteries, particularly according to a cast-on-strap (COS) process or the like, is especially adapted for the simultaneous casting-in of a pole insert, and has wall thicknesses which vary inversely to change... | 03/08/1988 |
| 4724890 | Process for connecting frogs consisting of austenitic manganese steel casting with rails consisting of carbon steel For the purpose of connecting frogs consisting of austenitic manganese steel casting with rails consisting of carbon steel there is proposed an aluminothermic process in which the carbon content of the aluminothermic welded connection is limited with 0.2 ... | 02/16/1988 |
| 4709461 | Method of forming dense ingots having a fine equiaxed grain structure A method of forming a fine grained equiaxed ingot by melting metal and placing it in a mold having a restriction at the entrance disposed to solidify the metal in the entrance to the mold prior to complete solidification of the metal in the mold such that... | 12/01/1987 |
| 4683937 | Ingot mold and method of producing same A process for casting ingot molds wherein a smooth, rigidized insulative board is used to form the as cast bottom surface of the ingot mold to produce a smooth flat surface which does not require machining and to permit slow cooling and solidification so ... | 08/04/1987 |
| 4615373 | Method and an apparatus for manufacturing a hollow steel ingot A method and an apparatus for manufacturing a hollow steel ingot are disclosed, which comprise coaxially arranging a cylindrical metallic core in a center of a mold and pouring molten steel into an annular casting space defined between the core and the mo... | 10/07/1986 |
| 4612969 | Method of and apparatus for casting articles with predetermined crystalline orientation A method and ceramic mold structure for use in producing articles having a predetermined crystalline orientation such as single crystals. The technique involves the use of a ceramic mold mounted on a chill plate with the mold defining a cavity tilted at a... | 09/23/1986 |
| 4573516 | Method of and apparatus for casting directionally solidified articles A ceramic mould is supported on a stainless steel platform carried at the upper end of a water-cooled tube surrounded by a copper cylinder containing alumina powder of approximately 100 μm particle size which is fluidized by an inert gas. Metal in the mo... | 03/04/1986 |
| 4549599 | Preventing mold and casting cracking in high rate directional solidification processes Insulating material is applied in selected mold surfaces and in critical thicknesses to prevent cracking of the mold and casting therein during the heating and cooling steps of high rate directional solidification processes.... | 10/29/1985 |
