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| Number | Title | Issue Date |
| 7347247 | Method of forming a metal casting having a uniform side wall thickness A core rod is utilized in the process of forming a core in a metal casting. The core rod has a length and opposite ends. The core rod is generally round in cross-section along at least a portion of the length of the core rod proximate at least one of the ends config... | 03/25/2008 |
| 7302990 | Method of forming concavities in the surface of a metal component, and related processes and articles A method of forming at least one concavity of a selected size and shape within a surface of an internal passageway of a metallic component comprises: depositing a ceramic-based material by a direct-write technique onto a ceramic core which is suitable for forming th... | 12/04/2007 |
| 7287573 | Silicone binders for investment casting A green product for use in fabricating a ceramic article comprises a ceramic powder immobilized within a silicone matrix, wherein the silicone matrix comprises one or more cross linked or polymerized silicone monomers and/or oligomers, wherein the one or more cross ... | 10/30/2007 |
| 7234507 | Die coatings for gravity and low pressure die casting A die coating for use on the surface of a metal mold or die component contacted by molten metal in low pressure or gravity die casting, and a method for its production. The die coating includes a porous layer of ceramic material produced by co-deposition, using a th... | 06/26/2007 |
| 7225856 | Precipitation-hardenable alloy core rod, plunger tip having a uniform side wall thickness, and method of forming same A core rod is utilized in the process of forming a core in a metal casting. The core rod has a length and opposite ends The core rod is generally round in cross-section along at least a portion of the length of the core rod proximate at least one of the ends configu... | 06/05/2007 |
| 7222657 | Metal object forming method and mold used for the same A metal object is formed by die-casting with the use of a specially treated mold. The mold has cavity-defining surfaces covered by a heat-insulating layer made of a material that includes ceramic powder and heat-resistant resin. Molten metal is injected into the cav... | 05/29/2007 |
| 7159640 | Member used for casting A casting member comprising hot-die steel or high-speed steel as base material and having coating layers at least on its working plane, wherein the outermost layer among the coating layers consists essentially of at least one nitride, oxinitride or carnonitride comp... | 01/09/2007 |
| 7096921 | Functionally graded alumina-based thin film systems The present invention provides coating systems that minimize thermal and residual stresses to create a fatigue- and soldering-resistant coating for aluminum die casting dies. The coating systems include at least three layers. The outer layer is an alumina- or boro-c... | 08/29/2006 |
| 7081487 | Cold-box binders containing an epoxy resin and ester of a fatty acid This invention relates to foundry binder systems, which cure in the presence of sulfur dioxide and an oxidizing agent, comprising (a) an epoxy resin; (b) an ester of a fatty acid; (c) an effective amount of a oxidizing agent, and (d) no ethylenically unsaturated mon... | 07/25/2006 |
| 7066234 | Stamping tool, casting mold and methods for structuring a surface of a work piece A simple, cost-effective stamping or molding in the nanometer range is enabled using a stamping surface or molding face with a surface layer having hollow chambers that have been formed by anodic oxidation. ... | 06/27/2006 |
| 7055574 | Method of producing metal article having internal passage coated with a ceramic coating The present application relates to a method of producing a metal article having an internal passage coated with a ceramic coating. The method comprises: preparing a core for defining the internal passage; applying the ceramic coating on the core; assembling the core... | 06/06/2006 |
| 6997235 | Plasticizing barrel lined on the inside with a coating, and method of making such a plasticizing barrel A plasticizing barrel for a plastics processing machine includes a body having a hollow cylindrical configuration and defining an axis; and a coating formed on an inner wall surface of the body and including at least one groove extending in axial direction of the bo... | 02/14/2006 |
| 6957489 | Method for producing a light-alloy bearing bush with a rough external surface The aim of the invention is to produce a light-alloy bearing bush with a rough external surface. To achieve this, particles, which are subsequently surrounded in part by the molten metal, are applied to the surface of the casting mould. When the bearing bush is rele... | 10/25/2005 |
| 6913828 | Production of hollow metal microcylinders from lipids Process for making metallic microcylinders from pre-treated diacetylenic lipid tubules which includes placing the tubules into an electroless plating bath containing a metal plating reagent, depositing by electroless plating on the surfaces of the tubules enough of ... | 07/05/2005 |
| 6899158 | Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core There is provided a method for manufacturing a cylinder for an internal combustion engine by making use of an insert core, which makes it possible to manufacture the cylinder by a die casting method such as a high-pressure die casting method at low cost and in high ... | 05/31/2005 |
| 6892788 | Mould for the manufacture of a casting using moulding material and method for the manufacture of a mould A mould (1) for the manufacture of a casting (2) using moulding material (3). In order to achieve simple and cheap manufacture, the mould (1) is provided with an outer first mould carrier (4), an outer second mould carrier (5 | 05/17/2005 |
| 6874564 | Liquid-cooled mold A liquid-cooled mold for a continuous casting of metals, including mold plates made of copper or a copper alloy, which are connected respectively to an adapter plate or a cooling-water tank by clamping bolts. The mold is characterized in that the clamping bolts are ... | 04/05/2005 |
| 6810941 | Injection mold for semi-solidified Fe alloy An injection mold for casting a semi-solidified Fe alloy includes a scalping gate for eliminating surface oxide film of a semi-solidified Fe alloy injected into the mold cavity from a pressure chamber. The scalping gate is arranged between the pressure chamber and a... | 11/02/2004 |
| 6755238 | Disintegrative core for high pressure casting, method for manufacturing the same, and method for extracting the same Disclosed is a method for manufacturing a disintegrative core for use in high pressure casting. The disintegrative core can be applied where a light metal such as an aluminum alloy or magnesium alloy is subjected to high pressure casting, such as die casting or sque... | 06/29/2004 |
| 6662854 | Cold-box foundry binder systems having improved shakeout This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an aliphatic epoxy resin; (b) a multifunctional acrylate; and (c) an effective amount of a free radical initia... | 12/16/2003 |
| 6620264 | Casting of amorphous metallic parts by hot mold quenching A manufacturing process for casting amorphous metallic parts separates the filling and quenching steps of the casting process in time. The mold is heated to an elevated casting temperature at which the metallic alloy has high fluidity. The alloy fills the... | 09/16/2003 |
| 6604567 | Free radically cured cold-box binders containing an alkyl silicate This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an epoxy resin; (b) an acrylate; (c) an alkyl silicate; and (d) an effective amount of a free radical initiato... | 08/12/2003 |
| 6505673 | Method for forming a turbine engine component having enhanced heat transfer characteristics A method of forming a turbine engine component, includes providing a mold having a textured region, pouring a molten alloy into the mold, and cooling the molten alloy to form a turbine engine component, wherein the turbine engine component has an enhanced... | 01/14/2003 |
| 6470550 | Methods of making tooling to be used in high temperature casting and molding A method of making or reconstituting tooling to be used in the processing of high temperature molten material comprises machining an undercut in the tooling surface which terminates at a shoulder and provides an inset barrier receiving surface; a chemical... | 10/29/2002 |
| 6468673 | Cast iron component for enveloped casting, enveloped casting product using it, and method for producing cast iron component for enveloped casting The present invention provides a cast iron component for enveloped casting which is characterized by that the cast iron component has a surface to which enveloped casting is applied and which has a surface roughness such that a maximum height Ry is from 6... | 10/22/2002 |
| 6460602 | Method for metallic mold-casting of magnesium alloys A metallic mold-casting method excellent in the resistance to penetration is herein disclosed and the method comprises the steps of forming a coating layer by applying a mixture comprising at least one member selected from the group consisting of high mel... | 10/08/2002 |
| 6458297 | Method for producing pressure die-cast or injection moulded articles using salt cores Method for producing pressure die-cast or injection moulded articles having a unit for producing salt grains, a press for forming salt filler cores by compressing the said salt grains, a pressure die-casting machine for making the said articles by injecti... | 10/01/2002 |
| 6453977 | Metal mold for manufacturing amorphous alloy and molded product of amorphous alloy A metal mold for manufacturing amorphous alloy. A metal mold is composed of a lower mold having a portion for fusing metal material and a cavity portion, and an upper mold working with the lower mold which presses molten metal in the portion for fusing me... | 09/24/2002 |
| 6427755 | Method of making precision casting using thixotropic materials Precision castings such as brake calipers and other cast metal parts requiring a fine finish and having complex internal geometries can be produced by casting a shot of a semi-solid thixotropic metal alloy in a die having one or more inserts that have a l... | 08/06/2002 |
| 6382299 | Production of hollow metal microcylinders from lipids Process for making metallic microcylinders from pretreated diacetylenic lipid tubules which includes placing the tubules into an electroless plating bath containing a metal plating reagent, depositing by electroless plating on the surfaces of the tubules ... | 05/07/2002 |
| 6354358 | Continuous casting mold with tungsten alloy plating and method of producing the same To provide a novel casting mold for use in continuous casting, which has long life and excellent heat resistance, yet capable of completely preventing corrosion, which frequently occurs on the lower portion of the casting mold. A continuous casting mold f... | 03/12/2002 |
| 6316047 | Method for applying dry powder refractory coating to sand cores A method of applying a refractory coating to densified foundry sand cores having micropores between the sand grains having the steps of: (a) mixing a dry powder refractory material (anhydrous MmgOSiO2 talc) with a dry powder impacting media, th... | 11/13/2001 |
| 6274257 | Forming members for shaping a reactive metal and methods for their fabrication Coatings of doped chromium nitride protect forming members such as dies from the corrosive effects of molten aluminum and other reactive metals.... | 08/14/2001 |
| 6176298 | Continuous casting mould A continuous casting mould wall (1, 2) has a non-metallic coating (5) thereon the thickness of which is different at first and third regions (6, 9) closer to the inlet and outlet ends respectively of the mould passage (3), from that at a second region (8)... | 01/23/2001 |
| 6133340 | Sleeves, their preparation, and use This invention relates to exothermic and/or insulating sleeves, their method of preparation, and their use. The sleeves are prepared by shaping a sleeve mix comprising (1) a sleeve composition capable of providing a sleeve, and (2) a chemical binder. The ... | 10/17/2000 |
| 6024159 | Pressure casting method with recoverable melt out core A zinc alloy melt-out core comprises from 0.75% to 3% Cu, from 0% to 0.3% Ni, from 0% to 0.5% Al, and balance Zn. The zinc alloy melt-out core is used in pressure casting processes for producing an aluminum article having a hollow. The zinc alloy core has... | 02/15/2000 |
| 6024158 | Process for manufacturing diecast parts Parts are diecast from a light metal alloy which in the molten state is fed under gravity into a casting chamber of a diecasting machine and whence forced by a plunger into a mould chamber which undergoes controlled evacuation in accordance with the posit... | 02/15/2000 |
| 5983979 | Hot chamber die casting machine for aluminum and its alloys A hot chamber die casting machine for casting aluminum and its alloys includes separated ceramic parts, namely a ceramic injection cylinder constituting a pump body, a ceramic outer sleeve, a ceramic injection pipe, and a metallic or thermet flange avoidi... | 11/16/1999 |
| 5975189 | Method of fabricating a metallic article using a non-sand core A method of producing a casting by using a plastic core. The plastic core is made of a thermoplastic resin and set in a casting mold so as to form a cavity in the casting mold. A molten metal such as aluminum is poured under pressure into the cavity to fo... | 11/02/1999 |
| 5957191 | Casting method and apparatus using a resin core A casting method and apparatus using a resin core wherein a portion of a wall of the resin core that receives a greater heat and/or load than other portions of the wall of the resin core, is increased in thickness. As a result, even if the resin core rece... | 09/28/1999 |
