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164 - Metal founding

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Class / Patent application numberDescriptionNumber of patent applications / Date published
164418000 Continuous or semicontinuous casting 63
164284000 Pressure shaping means 35
164339000 Including means to assemble mold parts 7
164335000 Including ladle or crucible type melt receptacle 6
164349000 United particle type shaping surface (e.g., sand, etc.) 6
164348000 Including means to apply coolant to mold or casting 4
20090014147Crystalliser Holding Device - Crystalliser holding device for billets, blooms and slabs production plants that has a high constructive simplicity, a significantly reduced overall weight and that reduces substantially to zero the need for maintenance. The crystalliser holding device of the invention, in addition to efficaciously guaranteeing the transfer toward the exterior of the heat of the liquid steel introduced into the tubular crystalliser contained therein, also provides a separate circuit for cooling the continuous ingot exiting the crystalliser and the rollers at the foot. It also permits an easy and rapid replacement in the oscillating table in which it is housed.01-15-2009
20110083823MOULD WITH CONFORMAL COOLING - A method of providing a mould with a conformal cooling passage includes rough machining a mould cavity generally corresponding to a moulded part shape using CAD data. Conformal cooling slots are cut in the mould cavity using the CAD data. The conformal cooling slots are welded shut using the CAD data to provide conformal cooling passages. A class A surface is machined over the conformal cooling passage and corresponds to a finished mould part shape using the CAD data.04-14-2011
20120325424TILT TYPE GRAVITY MOLDING DEVICE - To eliminate the need for a riser and for reduction in tilt speed and to enable molten metal contained in a mold to be pressurized by gas appropriately, a tilt type gravity molding device including a mold which can tilt between a fallen position and a standing position raised approximately 90 degrees from the fallen position, a pouring gate mold in which a pouring gate guiding the molten metal to a cavity of a molded article is formed, and a bowl-like member which stores the molten metal and pours the molten metal into the pouring gate in accordance with tilt of the mold includes closing means which is provided between the pouring gate and the cavity and can open and close the pouring gate, a gas inlet 12-27-2012
20110232856TEMPERATURE CONTROL METHOD AND APPARATUS - The invention relates to a method of cooling machines. Typically, the method of cooling is useful in the cooling of dies used in the moulding of plastics or metals. The method relies upon taking advantage of the latent heat of vaporisation of a cooling liquid. A liquid is maintained in a closed chamber in a die such that the liquid is in contact with the surfaces to be cooled and a space above the liquid surface is available. The pressure in the space is adjusted, typically by vacuum equipment, such that the boiling point of the liquid is adjusted to a level which enables the principle cooling process to involve latent heat.09-29-2011
164322000 Plural independent molds 3
20100224342METAL MOLD CASTING MACHINE OF A CASTING APPARATUS - The purpose of this invention is to provide a metal mold casting machine of a casting apparatus with which the worker can easily carry out his or her work, such as setting a core, cleaning a mold, taking out castings, etc. The casting apparatus comprises a turntable 09-09-2010
20090272509Sand Mold End Conveyor - An improved a sand casting line where in sand molds are carried on cars along at least a first and second linear parallel yet opposing paths, including an endless loop conveyor positioned proximal a discharge end of one of the linear paths and a loading end of the other of the linear paths, with a plurality of car supporting elements carried thereon, such that a car can be discharged from the discharge end on to a supporting element simultaneously with a second car being loaded from a supporting element onto the loading end.11-05-2009
20110067834Method of Making a Multi-Element Mold Assembly For, E.G., Footwear Components - A mold assembly for footwear components is cast as a collection of mold elements having integral attachment members. Attachment members of separate mold elements may then be joined by, e.g., welding. Handles may also be formed into one or more mold elements as part of the casting process. Outsole negatives are juxtaposed with templates for attachment tabs and/or handles and used to form ceramic casting molds. The ceramic casting molds can then be used to cast individual mold elements.03-24-2011
164338100 Including means to heat mold 3
20130213598CLEAN METAL INGOT MOLD - A clean metal ingot mold comprises an ingot mold body and an insulating riser arranged on the ingot mold body. The bottom mold plate of the ingot mold is provided with at least a ridge connected thereto. The region having a V-shape containing impurities produced during the crystallization process of the liquid metal moves upwards because of the ridge, and then the impurities depart from the centre of the cast ingot and the impurities are more centralized. A water-cooling device is arranged in the ridge to allow the temperature of the metal in the ingot mold to decrease rapidly, and the crystallization process of the metal to be rapid.08-22-2013
20120067540DIRECTIONAL SOLIDIFICATION SYSTEM AND METHOD - The present invention relates to an apparatus and method for purifying materials using a rapid directional solidification. Devices and methods shown provide control over a temperature gradient and cooling rate during directional solidification, which results in a material of higher purity. The apparatus and methods of the present invention can be used to make silicon material for use in solar applications such as solar cells.03-22-2012
20120043046PROCESS 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.02-23-2012
164344000 Including means to eject or separate product from shaping surface 2
20090151889Die for Die Casting, Method of Manufacturing Cast Product, and Cast Product - According to one embodiment, a die includes a stationary die, and a movable die. A fin section provided between a runner section and a product section is extended from one end part to the other end part of the product section in a direction intersecting a stream direction of molten metal, and includes a fin central section opposed to a biscuit section in the stream direction of the molten metal, and a fin side section on a side of the fin central section. The fin side section includes a fin thick part formed thicker than a thickness of the fin central section. The fin thick part is extended to a boundary between the fin section and the product section. The product section includes a product thick part connected to the fin thick part in a region opposed to the fin thick part.06-18-2009
20090314454EJECTION AND STAMPING DEVICE - An ejection and stamping device is arranged at one side of an upper die of a vertical die casting machine and include a base on which first and second pistons are arranged. The first piston is coupled to a stamping board, while the second piston is coupled to an ejection board. When a casting of a die casting process is not completely solidified, the first piston drives the stamping board to carry out a localized stamping operation of a portion of the casting and then the second piston is operated to drive the ejection board for ejecting out the casting. In this way, local density and strength of the casting are enhanced and the product quality of the casting is notably improved.12-24-2009
164272000 Metal revolving or tumbling type shaping means 1
20090321035CASTING ROLL FOR TWIN ROLL STRIP CASTER - Disclosed is a casting roll for a twin roll strip caster, and particularly, a casting roll for a twin roll strip caster, in which a continuous gas channel, for preventing the generation of dents in the surface of a strip when casting TWIP steel in order to improve the mechanical properties of the strip, including increasing the tensile strength and elongation, is formed in the surface of the casting roll, thus discharging gas mixed when the strip is cast, thereby preventing the generation of dents in the surface of the strip when casting the TWIP steel, in particular, a continuous gas channel is formed, thereby decreasing a conventional dent index and discouraging the generation of dents.12-31-2009
164332000 Including means to hold or position preformed product part in shaping area 1
20100276109MOLD FOR DIRECT-CAST ALUMINOTHERMIC WELDING - The mold for aluminothermic welding of metal rails has two components made of identical rigid refractory material and suitable for fitting around two ends of rails to be welded, each component includes: a lower part having a face defining a mold cavity suitable for enveloping the foot and a core of the ends of the rails, and a channel opening at the bottom into a lower region of the mold cavity and having at the top an opening and an upper part including a cooling chamber connected to the mold cavity and capable of containing the heads of the rail ends, the cooling chamber forming a non-compartmentalized volume to which the channel is connected via the opening and which is bounded by an external wall of each mold component.11-04-2010
164371000 Chill, shaping type 1
20090126894LIQUID METAL DIRECTIONAL CASTING APPARATUS - An apparatus for directionally casting articles generally includes a seal between a mold assembly and chill plate. In one embodiment, the mold assembly includes a skirt laterally extending from at least one shell mold, wherein the skirt includes a channel disposed in a bottom surface that is configured to surround the at least one shell mold. A chill plate fastened to a bottom of the mold assembly and includes a boss having a shape complementary to the channel, wherein the boss of the chill plate is seated within the channel of the mold assembly to define the seal about the at least one shell mold.05-21-2009
20130025815DOWN SPRUE CORE FOR USE IN CASTING RAILCAR COUPLER KNUCKLES - A core for use in railcar coupler part casting processes is provided. The core has a hollow body, a top with a first opening defined therein, a bottom having a generally rounded wall, and second and third openings defined in the side wall of the body.01-31-2013
20090014146C4NP COMPLIANT SOLDER FILL HEAD SEALS - A seal, fill head, and system are provided. The seal is adapted to cooperate with a fill head that is configured to place conductive bonding material into cavities on a mold. The seal comprises a first outer wall that is configured to abut a first adjacent wall of a support groove in a fill head. A second outer wall is configured to abut a second adjacent wall of a support groove in a fill head. An outer horizontal wall is situated between the first outer wall and the second outer wall. The outer horizontal wall comprises at least a first portion that is configured to abut an upper portion of the support groove. A convex bottom portion extends from the first and second outer walls. The convex bottom portion is configured to cooperate with a top surface of a mold.01-15-2009
20090288797EXPENDABLE SALT CORE FOR CASTING - An expendable salt core has the shape of a water jacket by, e.g., die casting using a salt of bromine and at least one of sodium and potassium, and a salt of carbonic acid and at least one of sodium and potassium. The expendable salt core is formed to contain at least one of potassium and sodium as a cation, and bromine and carbonic acid as anions. For example, the expendable salt core is formed by casting using a melt obtained by melting a salt mixture of sodium bromide and sodium carbonate.11-26-2009
20110259542APPARATUS FOR FORMING ELECTRODE HEADS - An apparatus for forming electrode heads includes a first and second lost-wax areas; a first and second electrode head forming areas; and a first, second and third transfer units. The first transfer unit rotates an electrode plate group from a horizontal to a vertical orientation. The second transfer unit holds the electrode plate group oriented vertically, and delivers it to be dipped in wax in the first lost-wax area, and then delivers the wax dipped electrode plate group to the first electrode head forming area to form one electrode head on one end thereof. The third transfer unit rotates the electrode plate group with the first electrode head, and delivers it to be dipped in wax in the second lost-wax area, and then delivers the wax dipped electrode plate group with the first electrode head to the second electrode head forming area to form another electrode head on thereof.10-27-2011
20120291981INTERLOCK FEATURE FOR RAILCAR CORES - An interlock feature for railcar core comprises a lug on a first core, a slot on a second core, a first positive stop surface, and a second positive stop surface.11-22-2012
20080264597Die Casting Mold and Improved Vent Structure Used Therein - A die casting mold includes a resistance member (10-30-2008
20110011553MULTI-CAVITY MOLD - Four cavities are arranged on a concentric circle ā€œCā€ with respect to the center ā€œOā€ of a flow divider and a gate sleeve. Each of the cavities is connected to a sleeve stamp portion through each of four die side runners and each of four stamp side runners formed in a radial direction and separated from the neighboring runners. A semicircular arc-shaped reservoir is provided between the lower half side of the flow divider and the lower half side of the gate sleeve. This reservoir is connected to the sleeve stamp portion. A semi-solidified layer formed by pouring the molten metal into a sleeve is filled into the reservoir, so that the molten metal from which the semi-solidified layer is separated can be filled directly from each of the stamp side runners via the die side runners into each of the cavities evenly and simultaneously.01-20-2011
20110005704Method for casting composite ingot - A method and apparatus are described for the casting of a composite metal ingot having two or more separately formed layers of one or more alloys. An open ended annular mould is provided having a divider wall dividing a feed end of the mould into at least two separate feed chambers. For each pair of adjacent feed chambers, a first alloy stream is fed through one of the pair of feed chambers into the mould and a second alloy stream is fed through another of the feed chambers. A self-supporting surface is generated on the surface of the first alloy stream and the second alloy stream is contacted with the first stream. By carefully selecting conditions and positions where the alloy streams meet, a composite metal ingot is formed in which the alloy layers are mutually attached with a substantially continuous metallurgical bond.01-13-2011
20110088865PROCESS 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.04-21-2011
20120138256Casting Mold - A casting mold made of a copper material having a casting surface (06-07-2012

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