Class / Patent application number | Description | Number of patent applications / Date published |
164131000 | Removing article from forming surface | 31 |
20080216984 | In Investment Casting - In an investment casting procedure using microwave energy as the heat source virgin wax models are attached to a spree of wax-type pattern material incorporating a susceptor, the spree having a pour cup also of a wax-type pattern material, the pour cup material having a higher percentage of the susceptor than the material of the spree. In use the pour cup will melt first and the spree second, unblocking the path of the virgin wax so that its expansion will not crack ceramic with which it has been coated. | 09-11-2008 |
20090000756 | Reducing residual stresses during sand casting - Residual stress is reduced in light metal alloy articles, e.g. aluminum alloy articles, formed as castings against a sand casting mold body by incorporating a wax composition of suitable softening or melting temperature with the sand particles of the mold or core body. The hot cast metal heats adjoining surfaces of the mold body. As the cooling metal forms a solid shell, the surrounding sand particle and wax mixture are heated sufficiently to melt or soften the wax incorporated on or between sand particles. This softens portions of the rigid mold body that could otherwise restrain shrinking surfaces of the casting and produce unwanted stressed regions that are retained in the casting and must be removed by subsequent processing. | 01-01-2009 |
20090032210 | Exothermic And Insulating Feeder Sleeves Having A High Gas Permeability - The invention relates to a molding composition for producing insulating or exothermic feeders and other filling funnels and feeding elements for casting molds, which comprises at least:
| 02-05-2009 |
20090114361 | Demolding method and equipment - A demolding method and equipment to reduce dents produced in an as-cast product. The method includes the steps of placing a tight-flask cope on a tight-flask drag for mating, such that a gate for the tight-flask cope and drag faces upward; reversing the tight-flask cope and drag after they are poured with molten metal such that the gate faces downward; and drawing a cope, a drag, and an as-cast product from the reversed tight-flask cope and drag, with the gate facing downward, from above to below. | 05-07-2009 |
20090294088 | Forming foam structures with carbon foam substrates - The invention provides foams of desired cell sizes formed from metal or ceramic materials that coat the surfaces of carbon foams which are subsequently removed. For example, metal is located over a sol-gel foam monolith. The metal is melted to produce a metal/sol-gel composition. The sol-gel foam monolith is removed, leaving a metal foam. | 12-03-2009 |
20100071866 | FILTERS MADE FROM CHEMICAL BINDERS AND MICROSPHERES - This invention relates to filters made from a refractory material, preferably an insulating material, and chemical binder. The filters are used in the foundry industry to filter molten metal. The invention also relates to a process for preparing the filters. | 03-25-2010 |
20100252223 | METHOD AND DEVICE FOR MANUFACTURING A STRIP OF METAL - The invention pertains to a method for manufacturing a strip ( | 10-07-2010 |
20100276105 | METHOD AND APPARATUS FOR REMOVING A CASTED PART FOR USE IN A DIE CASTING MACHINE - A method for removing a casted part, for use in a die casting machine comprises the steps of setting a position in which a chuck performs an operation to grasp a casted part attached to a movable mold as a position from which the casted part is to be removed, and setting a relative positional relationship between a handle portion which is a part of the casted part attached to the movable mold to be grasped by the chuck and a movable die plate. The method further comprises the step of advancing the chuck between the movable mold and the fixed mold and positioning the chuck at the position from which the casted part is to be removed, in parallel with the movement of the movable die plate. Additionally, the method comprises the steps of stopping the movable die plate when the handle portion of the casted part attached to the movable mold reaches the position from which the casted part is to be removed, grasping the handle portion of the casted part by using the chuck, and removing the casted part from the movable mold. | 11-04-2010 |
20100282430 | DEVICE FOR PRODUCING METAL SAMPLE AND PROCESS FOR PRODUCING METAL SAMPLE - A process and device for easily and rapidly producing a metal sample for analysis to he used for determining the content of impurities in a molten metal with high accuracy. The device for metal sample production comprises: a thin-walled mold having a thin sample collection space for collecting a molten metal; and an opening/closing operation part with which the mold can be freely opened/closed. This device is used to collect a molten metal and rapidly cool the molten metal to thereby solidify it without causing segregation of the impurities contained in the molten metal. Thus, a metal sample for high-accuracy analysis is produced. | 11-11-2010 |
20110127001 | PROCESS FOR PRODUCING IMPLANTS AND COMPONENTS BY DIRECTING SHAPING - The invention relates to a method for producing implants and components by direct shaping. The method includes the steps of producing a mold for the implants or components to be produced, making allowances for changes in geometry occurring during after-treatment after the implants or components are removed from the mold, and, providing partial areas of the mold with a structured surface for transferring this structure to the surfaces of the implants or components. In the method, raw material is introduced into the mold and, after remaining in the mold for a certain period of time, the hardened raw material is then removed from the mold to allow the implants or components to take on the structured surface of the mold as well as its geometry. The demolded implants or components are finally subjected to any after-treatment that may be necessary. | 06-02-2011 |
20110168347 | LOW PRESSURE CYLINDER HEAD OUTER DIE COMPONENTS FOR CORE GAS REMOVAL - An apparatus for core gas removal in a low-pressure cylinder head die casting operation includes an upper die, a lower die, an ejector plate disposed above the upper die to eject a part that has been cast, a plurality of tight plugs fastened into cavities formed in the upper die, and a plurality of clean pins attached to the ejector plate, each clean pin corresponding to a location of one of the tight plugs. The clean pins and the tight plugs have matching geometries. The ejector plate lowers to eject a casted cylinder head from the upper die such that a portion of the clean pins extend axially into the tight plugs to clean core gas residue formed on inner walls of the tight plugs during the casting cycle. | 07-14-2011 |
20130340968 | DIE CAST CASTING APPARATUS AND METHOD FOR RELEASING CASTING FROM MOLD - A die casting apparatus includes: a fixed mold and a movable mold for forming a casting, wherein an insert core is disposed slidably in a movable main mold of the movable mold to form a protruding portion of the casting. The movable mold includes: a casting ejecting part for releasing the casting from the main mold, a core moving part for moving the core in a casting demolding direction, and a protruding-portion demolding part for releasing the protruding portion from the core. In a first demolding step, a control part controls the casting ejecting part, core moving part, and protruding-portion demolding part to release the casting from the main mold by the casting ejecting part and move the core together with the casting by the core moving part. In a second demolding step, the protruding portion is released from the core by the protruding-portion demolding part. | 12-26-2013 |
20140027083 | Evaporating Material and Method of Manufacturing the Same - There is provided an evaporating material of thin plate shape which can be manufactured at a reduced cost and at high productivity, the evaporating material being adapted for use in enhancing the coercive force of neodymium-iron-boron sintered magnet by heat treatment while evaporating Dy in vacuum or in reduced-pressure inert gas atmosphere. The evaporating material of this invention has a core member | 01-30-2014 |
20140150986 | CRUCIBLE AND EXTRINSIC FACECOAT COMPOSITIONS AND METHODS FOR MELTING TITANIUM AND TITANIUM ALUMINIDE ALLOYS - Crucible compositions and methods of using the crucible compositions to melt titanium and titanium alloys. More specifically, crucible compositions having extrinsic facecoats comprising a rare earth oxide that are effective for melting titanium and titanium alloys for use in casting titanium-containing articles. Further embodiments are titanium-containing articles made from the titanium and titanium alloys melted in the crucible compositions. Another embodiment is a crucible curing device and methods of use thereof. | 06-05-2014 |
20150328680 | Layered Construction of Metallic Materials - The present disclosure is directed at alloys and method for layer-by-layer deposition of metallic alloys on a substrate. The resulting deposition provides for relatively high hardness metallic parts with associated wear resistance. Applications for the metallic parts include pumps, valves and/or bearings. | 11-19-2015 |
20150375298 | COUPLING WITH EXTENDING PARTING LINE - A method of manufacturing a coupling segment including: obtaining a mold having an interior and an exterior, the interior defining an interior surface, the interior surface defining a cavity, the cavity including a border line at an outermost edge of the cavity; placing a material in liquid form into the cavity in the mold; and removing a coupling segment from the mold, the coupling segment formed from the material, the coupling segment including an outer surface, an inner surface, a first end, a second end, and a parting line extending along the border line of the cavity of the mold prior to removal of the coupling segment from the mold, the parting line offset from a top surface of each end. | 12-31-2015 |
20160089717 | TIE BAR WITHDRAWING DEVICE - A post-extracting device for at least one post ( | 03-31-2016 |
164132000 | Core removal | 14 |
20080271870 | Metal Mold, and Formed Body Molding Method by the Metal Mold - A metal mold capable of preventing a nonuniform wall thickness from occurring in a cylindrical formed product, wherein a gate ( | 11-06-2008 |
20090050285 | IMPACT PAD - An impact pad for receiving a stream of liquid metal. The impact pad has a bottom wall with an upper surface against which the liquid metal is intended to impact. A side wall having an inner surface extends in an upward direction from the periphery of the bottom wall. The bottom wall and side wall define a metal receiving chamber having an open upper end. A plurality of spaced-apart cavities is formed in the inner surface of the side wall, the upper surface of the bottom wall or both. | 02-26-2009 |
20090050286 | Ceramic Cores for Casting Superalloys and Refractory Metal Composites, and Related Processes - A rare earth-based core for use in the casting of a reactive metal is described. The core contains a ceramic composition which includes at least about 10% by weight of monoclinic rare earth aluminate (RE | 02-26-2009 |
20090260774 | SACRIFICIAL SLEEVES FOR DIE CASTING ALUMINUM ALLOYS - Some die cast aluminum alloy articles have internal cylindrical surfaces such as the round internal cylinder surfaces of a cylinder block for an internal combustion engine. During casting solidification molten aluminum alloys shrink against the metallic permanent mold tools used to mold and define such internal surfaces, and tend to stick to the tool surfaces making it difficult to remove the casting. The tendency of some aluminum casting alloys to solder to the tool can further intensify sticking. In this invention, an aluminum alloy sleeve is placed on and over the tool surface before casting and the sleeve isolates the tool from the molten aluminum. The sleeve becomes bonded to the casting and facilitates removal of the casting from the tool. The sleeve may be (and preferably is) fully machined from the internal casting surface. The sleeve may be of the same composition as the casting, in which case handling and recycling of machining chips would be facilitated. The practice of the invention is also applicable to die casting of magnesium alloys using magnesium sacrificial sleeves. | 10-22-2009 |
20100000700 | METHOD AND APPARATUS FOR REMOVING CORE MATERIAL - Core material is removed from a passage in a casting by exposing at least a portion of the core material in the passage to a leaching liquid. At least a portion of the core material in the passage is exposed to a gas. An opening to passage is exposed to a gas. At least a portion of the leaching liquid in the passage is boiled while the opening to the passage is exposed to a gas. At least a portion of the leaching liquid is expelled from the passage in the casting by the boiling action. To expose at least a portion of the core material in a passage to a leaching liquid, a flow of leaching liquid is conducted from a reservoir container to an operating container in which the casting is disposed. To expose at least a portion of the core material in the passage to a gas, a flow of leaching liquid is conducted from the operating container to the reservoir container. | 01-07-2010 |
20100006253 | METHOD AND SYSTEM FOR INTERNAL CLEANING OF COMPLEX CASTINGS - A decoring method and system is provided. The method includes the steps of providing the casting having a core material disposed in the internal passage; providing the decoring apparatus configured to selectively oscillate the casting and selectively rotate the casting; securing the casting in the decoring apparatus; introducing a quantity of shot into the internal passage of the casting; oscillating the casting; and rotating the casting. A decoring apparatus configured to selectively oscillate the casting along a first axis, rotate the casting about a second axis, and rotate the casting about a third axis, is also provided. | 01-14-2010 |
20100206512 | Process and Refractory Metal Core For Creating Varying Thickness Microcircuits For Turbine Engine Components - The present disclosure is directed to a refractory metal core for use in forming varying thickness microcircuits in turbine engine components, a process for forming the refractory metal core, and a process for forming the turbine engine components. The refractory metal core is used in the casting of a turbine engine component. The core is formed by a sheet of refractory metal material having a curved trailing edge portion integrally formed with a leading edge portion. | 08-19-2010 |
20140060769 | MOLD HAVING CERAMIC INSERT - An ingot mold has a body having an open top, a bottom with an opening, and a longitudinal cavity passing through the body. The cavity is defined by a cavity wall extending from the top to the bottom. The cavity wall has a recess adjacent the opening in the bottom of the body. A ceramic insert is positioned within the cavity such that the sidewalls of the ceramic insert are in The recess in the cavity wall. | 03-06-2014 |
20140166229 | Minimization of Re-Crystallization in Single Crystal Castings - A refractory metal core for forming internal features in a turbine engine component has a core formed from a refractory metal material; and the core has at least one blended surface on at least one edge of the core. | 06-19-2014 |
20140251571 | CASTING CORE, METHOD FOR PRODUCING SAME, AND METHOD FOR CASTING USING SAID CORE - A casting core resulting from alkaline earth metal oxide particles having an average particle size of 0.8-4 mm being dispersed in a water-soluble alkali metal salt matrix. The casting core can be efficiently produced using a method of dispersing alkaline earth metal hydroxide particles having favorable disintegration properties and a particle size in the range of 1-5 mm in a molten water-soluble alkali metal salt, converting to alkaline earth metal oxide particles by means of dehydration, and casting in a mold, cooling, and hardening. | 09-11-2014 |
20150096711 | REMOVABLE PASSAGE MANDREL - A composite core for forming a passage in an investment casting mold is provided including a core element. A generally hollow structural element is positioned about an exterior of the core element. The structural element is configured to deform when a force is applied to the structural element. A rigid shell element is integrally formed about the structural element. The shell element is configured to break when the structural element deforms. | 04-09-2015 |
20150367412 | METHOD INCLUDING FIBER REINFORCED CASTING ARTICLE - A method of forming an engine component according to an exemplary aspect of the present disclosure includes, among other things, introducing molten metal into a cavity between a shell and a casting article in the shell. The casting article includes a ceramic portion and a plurality of fibers. The method further includes separately removing the ceramic portion and the fibers from an interior of the component. | 12-24-2015 |
20160089716 | METHOD FOR THE PRODUCTION OF A CYLINDER FOR A TWO-STROKE ENGINE - A method for producing a cylinder for a two-stroke engine, has the following steps: producing a casting core, wherein a central core slide for the cylinder chamber and at least one salt core for a transfer port are produced and the at least one salt core is connected to the central core slide, inserting the casting core into a casting mold, casting the cylinder in a die-casting process, removing the central core slide from the cylinder, wherein the at least one salt core is separated from the central core slide, and flushing the at least one salt core out of the cylinder. The invention further relates to a casting core for such a method. | 03-31-2016 |
20180023507 | FORMING ASSEMBLY AND METHOD TO PROVIDE A COMPONENT WITH A PASSAGEWAY | 01-25-2018 |