| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 164015000 |
Shaping fluent material to form mold
| 218 |
| 164045000 |
Pattern making
| 14 |
| 164014000 |
With subsequent coating of casting surface with cast product treating or release material
| 6 |
| 164009000 |
Final product part or material, utilized in forming or included in shaping member | 5 |
| 20100101747 | Mold used in manufacture of drill bits and method of forming same - A mold usable to form a drill bit body and a method for forming such a mold are disclosed. A shell is provided, the shell having a cavity. Fusible material, such as foundry sand, is provided into the cavity, then fused to form a solid insert within the shell. The solid insert is then modified, such as by machining, to form a mold having features usable to form a drill bit body having desired characteristics. Materials for forming the drill bit body can then be provided into the mold, for heating and cooling. Then, the drill bit body and mold can be removed from the shell. The shell is thereby reusable, while the mold, being formed from inexpensive fusible materials, can be removed or destroyed, if necessary, to free the drill bit body. | 04-29-2010 |
| 20110132562 | WAXLESS PRECISION CASTING PROCESS - Alloy products are produced with a waxless casting process. A model of a ceramic casting vessel ( | 06-09-2011 |
| 20140318729 | BI-CAST TURBINE ROTOR DISKS AND METHODS OF FORMING SAME - A bi-cast turbine rotor disk and method of forming the same are provided. The disk includes a ring and a blade. The ring comprises a superalloy that includes a plurality of elements, and the blade extends from the ring. The blade comprises a non-metallic ceramic matrix composite, and at least one element from the superalloy of the ring is diffused into the non-metallic ceramic matrix composite of the blade. | 10-30-2014 |
| 20160059302 | REGENERATING AN ADDITIVELY MANUFACTURED COMPONENT TO CURE DEFECTS AND ALTER MICROSTRUCTURE - One embodiment includes a method to regenerate a component. The method includes additively manufacturing the component with at least a portion of the component in a near finished shape. The component is encased in a shell mold, the shell mold is cured, the encased component is placed in a furnace and the component is melted, the component is solidified in the shell mold, and the shell mold is removed from the solidified component. | 03-03-2016 |
| 20160121389 | ADDITIVELY MANUFACTURED CASTING ARTICLES FOR MANUFACTURING GAS TURBINE ENGINE PARTS - A casting article according to an exemplary aspect of the present disclosure includes, among other things, a circuit forming portion and an interior channel formed inside of the circuit forming portion. The interior channel defines a leaching path that extends at least partially through the circuit forming portion. | 05-05-2016 |
| 164700100 |
Utilizing a vacuum during shaping | 4 |
| 20090071621 | METHOD AND SYSTEM FOR DRYING CASTING MOLDS - A system and method of drying casting molds for forming metal parts is provided. In one embodiment, the method includes providing a casting mold comprised of a meltable pattern coated with a ceramic slurry containing a liquid solvent and a binder, placing the casting mold in a chamber, encapsulating the casting mold in a desiccant material, sealing the chamber sufficient to pull a vacuum in the chamber, and applying a variable vacuum to the chamber to dry the mold. In one embodiment, the vacuum is controlled and gradually increased over time from atmospheric pressure to a predetermined maximum vacuum pressure. The vacuum is preferably applied at a rate such that the meltable pattern has a temperature that does not decrease more than about 5 degrees F. from atmospheric pressure to maximum vacuum pressure in one embodiment. In another embodiment, the retained moisture level of the desiccant may be controlled to minimize temperature swings of the meltable pattern during the vacuum application. | 03-19-2009 |
| 20110226436 | CORE OR FOUNDRY SAND COATED AND/OR MIXED WITH WATER GLASS WITH A WATER CONTENT IN THE RANGE OF GREATER THAN OR EQUAL TO APPROXIMATELY 0.25% BY WEIGHT TO APPROXIMATELY 0.9% BY WEIGHT - The present invention relates to a core or foundry sand that can be used for the production of cores and casting moulds for the casting of molten metals, comprising a basic moulding material, coated with a layer of an adhesive agent and a layer of water glass lying over the latter and a water glass content in the range of≧approximately 0.25% by weight to approximately 0.9% by weight in relation to the overall weight of the core and foundry sand. | 09-22-2011 |
| 20120325422 | MACHINE AND A METHOD FOR SUCTIONING AND EXHAUSTING AIR FROM A STORAGE TANK FOR SAND IN A MOLDING MACHINE - The present invention is to provide a machine and a method for suctioning and exhausting air from a storage tank for sand in a molding machine that has less on-off valves and prevents sand from adhering to the interior of the valve for exhausting air while the air is being exhausted. The machine for suctioning and exhausting air from the storage tank for the sand in the molding machine comprises a storage tank for sand in the molding machine, a porous body that is provided in the storage tank for sand and that is distant from an inner face of the storage tank for sand, an empty chamber that is formed by an outer face of the porous body and the inner face of the storage tank for sand, a seal that is placed at a rim of a tip of a nozzle of the storage tank for filling sand and that expands when compressed air is supplied inside the seal, a pilot-operated valve for both suctioning and exhausting air that is fluidly connected to the empty chamber, and an on-off valve that is fluidly connected to the pilot-operated valve for both suctioning and exhausting air and connected to an inside of the seal. | 12-27-2012 |
| 20140150984 | METHOD OF MAKING METAL CASTING MOLD, AND MOLD - A method of making a metal casting mold is disclosed. The method comprises the steps of: covering a support pattern by a pulp-molded element; installing a mold flask provided with a depressurizing device, on an upper side of the pulp-molded element; packing heat-resistant particles inside the mold flask; providing a sealing member on an upper surface of the mold flask so as to seal the inside of the mold flask; depressurizing the inside of the mold flask by the depressurizing device, to form a mold comprising the mold flask, the heat-resistant particles, the pulp-molded element and the sealing member; and separating the pulp-molded element from the support pattern. A metal casting mold made by this method is also disclosed. | 06-05-2014 |
| 20110048666 | Method of Removing Excess Metal from Casting with Press, and Cutter Used therefore - A set of dies are composed in order to remove excess metal from a casting with a press. A method of removing the excess metal from the casting includes the steps of attaching a cutter to one of the stationary die side or the movable die side; setting a work on the other side; and punching excess metal of the work into a recess shape by one punching motion of the movable die with a plurality of blades from the first blade, which is smaller, to the final blade, which is larger and protruded, when the excess metal of the work is removed by a punching motion of the movable die conducted on the stationary die. A cutter includes a row of blades in which a plurality of blades are arranged step-wise having a change in the form from the first blade, which is smaller than the final shape of the excess metal to be punched, to the final blade, the shape of which is the same as the final shape. The row of blades from the first blade to the final blade are arranged so that the first small blade can be used ahead of other blades and the other blades can be used in the order of punching motions. | 03-03-2011 |
| 20130025813 | REINFORCED ROLL AND METHOD OF MAKING SAME - A method of making an article adapted for use as a wear resistant working surface of a roll includes positioning hard elements in predetermined positions on a bottom surface of a mold. The hard elements comprise a first end and an opposed second end. The second end of each hard element rests on the bottom surface, partially filling a void space and defining an unoccupied volume in the mold. Inorganic particles are added to the mold to at least partially fill the unoccupied volume and provide a remainder space. The hard elements and the inorganic particles are heated to an infiltrating temperature and infiltrated with a matrix material. The matrix material is cooled and solidified and binds the hard elements and the inorganic particles in the article. | 01-31-2013 |
| 164012000 |
Setting or hardening shaping surface by igniting mold surface or by utilizing a forced gaseous medium | 3 |
| 20160121388 | SAND FOR CASTING MOLD, MANUFACTURING METHOD FOR SAND CASTING-MOLD, AND CORE FOR METAL CASTING - Sand for a casting mold including sand, a binder, and an inorganic compound particle having poor water solubility and generating a gas, which is at least one of water vapor or carbon dioxide gas, by heat from a molten metal. | 05-05-2016 |
| 20160158828 | METHOD OF FORMING LAMINAR MOLD - A coated sand obtained by coating a refractory aggregate with a water-soluble binder is supplied onto a table disposed within a frame, and spread by a spreading member to form a thin sand layer having a predetermined thickness and a planar surface. The surface of the sand layer is covered by a mask, and an aqueous medium is sprayed from a sprayer over a part of the sand layer to be cured. By heating the part of the sand layer over which the aqueous medium has been sprayed, by using a heater, a mold layer having an intended shape is solidified or cured. By repeating the above-described steps for forming the mold layer a required number of times, mold layers are successively formed and superposed on each other, whereby a laminar casting mold having an intended three-dimensional configuration is obtained as a one-piece body consisting of the mold layers. | 06-09-2016 |
| 20180021848 | SYSTEM AND PROCESS TO PROVIDE SELF-SUPPORTING ADDITIVE MANUFACTURED CERAMIC CORE | 01-25-2018 |
| 164013000 |
Shaping plate type pattern | 1 |
| 20110139393 | PROCESS TO CAST SEAL SLOTS IN TURBINE VANE SHROUDS - A process for casting a turbine engine component is provided. The process comprises the steps of placing a refractory core assembly comprising two intersecting plates in a die, encapsulating the refractory core assembly in a wax pattern having the form of the turbine engine component, forming a ceramic shell mold about the wax pattern, removing the wax pattern, and pouring molten material into the ceramic shell mold to form the turbine engine component. | 06-16-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20080257515 | Pre-Tensioned Sand Core - Provided are methods of replacing drilling holes in castings by pre-tensioning sand cores. This methods are used in long cylindrical shaped sand cores in cold core box processes. The urethane sand core is placed in compression to increase the core strength during handling, placing inside of the mold. The pre-tensioned urethane sand core is set in a casting mold so as to form a cavity in the casting mold. The molten metal is poured to form the cavity inside of the casting. The pre-tensioned urethane sand core maintains its initial shape during casting. | 10-23-2008 |
| 20080277088 | Casting Chamber - A casting chamber ( | 11-13-2008 |
| 20080289789 | ELLIPTICAL TIRE MOLD AND METHOD FOR MAKING SAME - A tire mold having a substantially elliptical base surface and a method for making a tire mold are provided. In one embodiment, a user selects a major axis length for the tire mold, then selects a ratio of the major axis length to a minor axis length. The tire mold is then formed with a substantially elliptical base surface defined by the first major axis and the selected ratio. | 11-27-2008 |
| 20090008054 | PATTERN CUTTER - Disclosed here in the present utility model is a pattern cutter. The pattern cutter includes a base and blade. The blade is located on the base. The blade forms the shape of pattern to be cut. The said base and blade are of one-piece structure, which is machined to shape at one go through die-casting process. The height of the said blade is greater than or equal to 2.5 mm on the base. The angle of the cutting edge of blade is smaller than or equal to 60°. The said blade is surfaced with a plating coat. The present utility model is characterized by simple and rational construction, easy to make, low cost, high product accuracy and good consistency, with a wide range of adaptability and better market prospect. | 01-08-2009 |
| 20090020253 | Device for Use at Temperatures Above 1000°C or in Molten Steel and Use of the Device - A device is provided for use at temperatures above 1000° C. or in steel melts. The device has a body based on sand, high temperature-resistant hollow balls and/or high temperature-resistant hollow fibers and contains water glass and a cement. | 01-22-2009 |
| 20090145567 | METHOD OF FORMING TEXTURED CASTING ROLLS WITH DIAMOND ENGRAVING - A method of forming a textured casting roll may include a step of forming a plurality of contiguous rows of gravure cells on the surface of a casting roll, removing portions of the cells to leave raised portions corresponding to raised portions of the gravure cells not removed. The gravure cells may be formed by diamond engraving, and the step of removing portions of the gravure cells may be accomplished by engraving or etching. | 06-11-2009 |
| 20090199991 | Compositions containing certain metallocenes and their uses - Compositions comprising (1) a refractory and/or a binder, and (2) bis-cyclopentadienyl iron cyclopentadienyl manganese tricarbonyl, derivatives thereof, and mixtures thereof. | 08-13-2009 |
| 20090260773 | DIE CASTING MOLD AND METHOD OF MANUFACTURING AND CASTING THE SAME - In a die-casting mold used in a casting method, a fixed insert includes a recessed cavity portion, and a fixed mold body is arranged to hold the fixed insert. The fixed insert includes a first insert and a second insert. The first insert is held with the fixed mold body. The second insert is fitted and held within a recess formed on the first insert. The size of the second insert is minimized so as to just surround the recessed cavity portion. | 10-22-2009 |
| 20100084106 | PROCESS FOR CASTING COLUMNAR GRAIN AIRFOIL WITH PREFERENTIAL PRIMARY ORIENTATION - A molding process utilizes a seed with a columnar grain structure for defining a desired grain structure in a completed casting. The seed is received within a seed cavity of a mold. The molten material adopts the orientation of the columns defined within the seed during solidification to form a completed molded article having a desired columnar grain structure. | 04-08-2010 |
| 20100175847 | Iron-Nickel-Cobalt Alloy - Use of an iron-nickel-cobalt alloy in CFC mould construction comprising (in % by mass) Ni from 30 to 35%, Co from 3 to 6%, Al from 0.001 to 0.1%, Mn from 0.005 to 0.5%, Si from 0.005 to 0.5%, C max. 0.1%, balance Fe and constituents resulting from production, with the alloy having a mean coefficient of thermal expansion in the temperature range from 20 to 200 DEG C of <2.0 OE10<−6>/K. | 07-15-2010 |
| 20100236744 | Sand casting tool and method for the installation thereof - 1. Method for installing a sand casting tool and appropriate casting tool. | 09-23-2010 |
| 20100276103 | Metallic Coated Cores to Facilitate Thin Wall Casting - A core for investment casting processes includes a core having one or more ceramic materials; and an exterior layer of metal material not susceptible to oxidation under investment casting operating conditions. A method for casting a turbine engine component having an internal passageway includes the steps of forming one or more mold sections each having internal surfaces and at least one of the aforementioned cores for forming one or more turbine engine components having at least one internal passageway; assembling the one or more mold sections; introducing a molten alloy into the one or more assembled mold sections; and consuming the metal of the at least one core during the process. | 11-04-2010 |
| 20110005701 | MOLD FOR INJECTION MOLDING AND METHOD OF MANUFACTURING THEREOF - This invention provides a mold for injection molding and a method of manufacturing thereof, The method of manufacturing a mold for injection molding includes the following steps. At least one temperature control element is provided. The temperature control element is covered with a first material. The first material is mechanically processed to form a mold body with a cavity. The mold for injection molding includes a mold body, a temperature control element, and a heat insulating layer. | 01-13-2011 |
| 20110048662 | MOLD FOR THE CONTINUOUS CASTING OF METAL AND A PROCESS FOR PRODUCING SUCH A MOLD | 03-03-2011 |
| 20110048663 | MOULD FOR METAL CASTING AND METHOD USING SAME - A mould for casting metal which allows solid impurities to be removed from the molten metal. | 03-03-2011 |
| 20110048664 | METHOD FOR FORMING A CAST ARTICLE - One embodiment of the present invention is a unique method for forming a cast porous article. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for forming cast porous articles. Further embodiments, forms, features, aspects, benefits, and advantages of the present application shall become apparent from the description and figures provided herewith. | 03-03-2011 |
| 20110108228 | METHOD AND APPARATUS FOR CONTROLLING VARIABLE SHELL THICKNESS IN CAST STRIP - Apparatus and method for continuously casting metal strip includes a pair of casting rolls having casting surfaces with a center portion, edge portions each having average surface roughness between 3 and 7 Ra, and intermediate portion between each edge portion and the center portion, the center portion average surface roughness between 1.2 and 4.0 times the edge portion surface roughness, and the intermediate portions average surface roughness between that of the edge and center portions. The surface roughness of the center portion is tapered across its width, and may be tapered across its width is in stepped zones. The center portion may have surface roughness varied across the surface to correspond to a desired variation in metal shell thickness across the cast strip. The center portion may be at least 60% of the casting roll width, and each edge portion may be up to 7% of the casting roll width. | 05-12-2011 |
| 20110120664 | MOULD AND A METHOD OF ITS MANUFACTURE - A mould for casting in one piece of a tool with a working component of steel and a body of grey iron with an interconnection zone there between has a first model section corresponding to the working component and a second model section corresponding to the body. The model sections are in contact with one another along a contact plane which is horizontal and planar and which represents the interconnection zone. In a method for producing a mould for one piece casting of a tool with a working component of steel and a body of grey iron with an interconnection zone therebetween; a first model section is produced corresponding to the steel and a second model section corresponding to the grey iron. The model sections are brought into contact with one another with the contact surface horizontally aligned and with the first model section lowermost. | 05-26-2011 |
| 20110209842 | System and Method for Enhancing Chaplet Fusion - System and method for fusing a chaplet to a casting. The method includes placing the chaplet on an upper surface of a mold; distributing a heater around the chaplet such that the heater is not exposed to the casting; placing a core on the chaplet such that the mold and the core define a component of a machine; heating the chaplet with the heater to a predetermined temperature; and pouring the casting in the mold, around the core and the chaplet, when the chaplet is at the predetermined temperature. | 09-01-2011 |
| 20110220312 | DRILL BIT WITH PREFABRICATED CUTTINGS SPLITTER AND METHOD OF MAKING - A method of making a drill bit for drilling subterranean formations includes, forming a bit mold having at least one recess receptive of a distal portion of a prefabricated splitter, positioning the distal portion into one of the at least one recess, and filling the bit mold with at least one material. | 09-15-2011 |
| 20110220313 | METHOD OF CASTING DAMPED PART WITH INSERT - A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert. | 09-15-2011 |
| 20120043044 | METHOD OF TREATING SURFACE OF MOLD AND MOLD HAVING SURFACE TREATED BY SAID METHOD - Provided is a method of treating a surface of a mold to achieve good demoldability and capable of preventing wearing of the mold by avoiding load concentration on one part of the surface of the mold. After a first blasting is performed on the surface of the mold to remove a hardened layer produced on the surface and/or to adjust the surface roughness, a second blasting is performed to create fine irregularities on the surface. Then, an elastic abrasive in which abrasive grains are carried on an elastic body, or a plate-like abrasive having a planar shape with a maximum length that is 1.5 to 100 times the thickness thereof, is ejected onto the surface of the mold at an inclined ejection angle such that the abrasive is caused to slide along the mold surface to flatten peaks of the irregularities created on the mold surface. | 02-23-2012 |
| 20120090802 | Process For Producing A Twist-beam Axle In A Hybrid Construction - The invention relates to a process for producing a twist-beam axle, which respectively has a light metal longitudinal link and an iron metal transverse arm. | 04-19-2012 |
| 20120132386 | MOLD BORING METHOD, MOLD BORING TOOL AND MOLD BORING APPARATUS - A mold boring apparatus including a mold boring tool having a flow passage formed inside of the mold boring tool which allows a fluid to flow therethrough, having slits and protruding portions formed on an outer peripheral portion of an outer body of a tool blade member of the mold boring tool in a circumferential direction thereof extending from a leading end to a base end of the tool blade member, and blades that are inclined inward and are formed at leading ends of the protruding portions formed between the adjacent slits. | 05-31-2012 |
| 20120152478 | MOLD AND CASTING METHOD USING THE MOLD AND DESIGN METHOD OF THE MOLD - A mold including a product cavity that is to be filled with a molten metal to mold a product; a supply cavity that connects to one side of the product cavity to supply the product cavity with the molten metal that is poured from a casting port; and a cooling cavity that connects to the other side of the product cavity and in which the molten metal filling the cooling cavity is cooled before the molten metal filling the product cavity and the supply cavity is cooled. A modulus M (=V/S) as a ratio of a volume V to a cooling surface area S in each of the cavities has a relation of Ms>Mp>Mc, where Mp is a modulus of the product cavity, Ms is a modulus of the supply cavity, and Mc is a modulus of the cooling cavity. | 06-21-2012 |
| 20120227922 | MOULD FOR METAL CASTING AND METHOD USING SAME - A mould for casting metal which allows solid impurities to be removed from the molten metal. | 09-13-2012 |
| 20120273151 | EVAPORATIVE PATTERN CASTING PROCESS - An evaporative pattern casting process includes forming a mold by burying a pattern made of resin foam in casting sand, pouring molten metal into the mold, and evaporating the pattern with the molten metal and thereby casting a product. In the evaporative pattern casting process, casting time during founding is set according to a modulus (pattern volume÷pattern surface area) of the pattern. Accordingly, the casting time in the evaporative pattern casting process is accurately set with high precision. | 11-01-2012 |
| 20120285648 | Ceramic core with composite insert for casting airfoils - A multi-wall ceramic core for casting an airfoil with one or more internal cooling passages is made by preforming at least one fugitive core insert, then forming at least one core insert in-situ adjacent and fused to the at least one preformed core insert by introducing fluid fugitive pattern material into a composite core insert mold whereby the fugitive core inserts are integrally connected as a single composite core insert that includes features to form internal passage surfaces in the core when the composite core insert is removed. The composite core insert is placed in a core molding die cavity, and a fluid ceramic material is introduced into the die cavity to form the ceramic core body incorporating the fugitive composite core insert therein. | 11-15-2012 |
| 20120291977 | SIDE FRAME AND BOLSTER FOR A RAILWAY TRUCK AND METHOD FOR MANUFACTURING SAME - A method for manufacturing cores utilized in conjunction with a mold for casting a side frame of a railway car truck includes forming separate drag and cope portions of at least one pedestal core. The drag and cope portions of the pedestal core define an interior region of a pedestal of the side frame. The drag and cope portions are attached form a pedestal core for insertion into a mold. | 11-22-2012 |
| 20130032303 | WIND TURBINE COMPONENT HAVING A LIGHTWEIGHT STRUCTURE - A wind turbine component having a lightweight structure is provided and includes a metallic matrix defining a cavity, metallic foam enclosed within the cavity and a solidification metallurgical bond formed at an entire interface between the metallic matrix and the metallic foam. | 02-07-2013 |
| 20130092340 | 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. | 04-18-2013 |
| 20130174995 | METHOD AND APPARATUS FOR CONTROLLING VARIABLE SHELL THICKNESS IN CAST STRIP - Apparatus and method for continuously casting metal strip includes a pair of casting rolls having casting surfaces with a center portion, edge portions each having average surface roughness between 3 and 7 Ra, and intermediate portion between each edge portion and the center portion, the center portion average surface roughness between 1.2 and 4.0 times the edge portion surface roughness, and the intermediate portions average surface roughness between that of the edge and center portions. The surface roughness of the center portion is tapered across its width, and may be tapered across its width is in stepped zones. The center portion may have surface roughness varied across the surface to correspond to a desired variation in metal shell thickness across the cast strip. The center portion may be at least 60% of the casting roll width, and each edge portion may be up to 7% of the casting roll width. | 07-11-2013 |
| 20130292080 | EVAPORATIVE PATTERN FOR MANUFACTURING A MOLD FOR PRESS FORMING - An evaporative pattern casting method is taught which does not reduce accuracy of an evaporative pattern. | 11-07-2013 |
| 20130340966 | BLADE OUTER AIR SEAL HYBRID CASTING CORE - A hybrid sacrificial core for forming an impingement space and an internal cooling passageway network separate from the impingement space of a part may comprise a ceramic core having a first surface portion for forming the impingement space, and a refractory metal core that forms a plurality of passages of the internal cooling passageway network. | 12-26-2013 |
| 20140060766 | BLADE FOR A GAS TURBINE AND CASTING TECHNIQUE METHOD FOR PRODUCING SAME - A blade for a gas turbine has a leading edge and a trailing edge, and an interior cavity, which is delimited by internal surfaces, for guiding cooling air therethrough. A multiplicity of turbulators or pins, which are formed on the wall, are arranged in a distributed manner in the region of the trailing edge and project from the internal surfaces into the cavity, to improve the transfer of heat between the wall of the blade and the cooling air. An improvement of the internal cooling is achieved by the turbulators or pins extending into the cavity in a direction which can be freely selected within an angular range. | 03-06-2014 |
| 20140131000 | Metal Alloy Injection Molding Protrusions - Metal alloy injection molding techniques are described. In one or more implementations, these techniques may also include adjustment of injection pressure, configuration of runners, and/or use of vacuum pressure, and so on to encourage flow of the metal alloy through a mold. Techniques are also described that utilize protrusions to counteract thermal expansion and subsequent contraction of the metal alloy upon cooling. Further, techniques are described in which a radius of edges of a feature is configured to encourage flow and reduce voids. A variety of other techniques are also described herein. | 05-15-2014 |
| 20140150982 | Metal Alloy Injection Techniques - Metal alloy injection molding techniques are described. In one or more implementations, these techniques may also include adjustment of injection pressure, configuration of runners, and/or use of vacuum pressure, and so on to encourage flow of the metal alloy through a mold. Techniques are also described that utilize protrusions to counteract thermal expansion and subsequent contraction of the metal alloy upon cooling. Further, techniques are described in which a radius of edges of a feature is configured to encourage flow and reduce voids. A variety of other techniques are also described herein. | 06-05-2014 |
| 20140150983 | AEROSPACE SAND CASTING SUPPORT - A component casting apparatus includes a mold to receive a molten solid for casting a component. The mold includes a first sacrificial layer to define a housing of the component and a second sacrificial layer to form at least one core passage of the component in response to contact from the molten solid. The component casting apparatus further includes a trusset disposed against an outer surface of the second sacrificial layer and formed from metal to support the second sacrificial layer. | 06-05-2014 |
| 20140166227 | Metal Alloy Injection Molding Overflows - Metal alloy injection molding techniques are described. In one or more implementations, these techniques may also include adjustment of injection pressure, configuration of runners, and/or use of vacuum pressure, and so on to encourage flow of the metal alloy through a mold. Techniques are also described that utilize protrusions to counteract thermal expansion and subsequent contraction of the metal alloy upon cooling. Further, techniques are described in which a radius of edges of a feature is configured to encourage flow and reduce voids. A variety of other techniques are also described herein. | 06-19-2014 |
| 20150129154 | METHOD AND APPARATUS FOR CONTROLLING VARIABLE SHELL THICKNESS IN CAST STRIP - Apparatus and method for continuously casting metal strip includes a pair of casting rolls having casting surfaces with a center portion, edge portions each having average surface roughness between 3 and 7 micrometers Ra, and intermediate portion between each edge portion and the center portion, the center portion average surface roughness between 1.2 and 4.0 times the edge portion surface roughness, and the intermediate portions average surface roughness between that of the edge and center portions. The surface roughness of the center portion is tapered across its width, and may be tapered across its width is in stepped zones. The center portion may have surface roughness varied across the surface to correspond to a desired variation in metal shell thickness across the cast strip. The center portion may be at least 60% of the casting roll width, and each edge portion may be up to 7% of the casting roll width. | 05-14-2015 |
| 20150316893 | THREE DIMENSIONAL DECORATION METHOD - A method of decorating an element. This method includes the steps of: taking the element ( | 11-05-2015 |
| 20160101460 | CASTING APPARATUS WHOSE COOLING FLOW PASSAGE IS FORMED BY WELDING AND METHOD FOR MANUFACTURING THE SAME - A casting apparatus for manufacturing a cast product from molten metal includes a molten metal and a cooling portion. The molten metal contacts a surface for contact with the molten metal. The cooling portion forms a cooling flow passage. The cooling flow passage is configured to cool the molten metal contacting surface. At least a part of an inner surface of the cooling flow passage is constituted of a welding portion formed by welding, the welding portion sealing the cooling flow passage. The welding portion is constituted such that an exposure to the molten metal becomes equal to or less than a predetermined ratio with respect to an area of the welding portion constituting the inner surface of the cooling flow passage. | 04-14-2016 |
| 20160137211 | SIDE FRAME AND BOLSTER FOR A RAILWAY TRUCK AND METHOD FOR MANUFACTURING SAME - A method of manufacturing a side frame mold for casting a side frame of a railway car truck includes forming a drag and a cope portion of a mold from a casting material to define an exterior surface of a drag portion and cope portion, respectively, of the side frame. The mold includes a portion for casting the pedestal jaw of the side frame. The drag and the cop portions are then cured. | 05-19-2016 |
