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| Number | Title | Issue Date |
| 7699092 | Metal-molding system and process for making foamed alloy Disclosed is: (i) a metal injection-molding system, (ii) a metal injection-molding system including a combining chamber, (iii) a metal injection-molding system including a first injection mechanism and a second injection mechanism, (iv) a metal injection-molding sys... | 04/20/2010 |
| 7621314 | Method of manufacturing amorphous metallic foam Metallic foams comprising high viscosity materials and apparatuses and methods of manufacturing such foams, and more particularly methods for controllably manufacturing metallic foams from bulk-solidifying amorphous alloys are provided. ... | 11/24/2009 |
| 7594530 | Orbital foamed material extruder This invention is a process for producing foamed material in space comprising the steps of: rotating the material to simulate the force of gravity; heating the rotating material until it is molten; extruding the rotating, molten material; injecting gas into the extr... | 09/29/2009 |
| 7261141 | Metal porous body manufacturing method A process for producing a porous metal body, the process includes melting part of a starting metal material in succession while moving the material by a floating zone melting method under a gas atmosphere to dissolve a gas into a resultant molten metal; and solidify... | 08/28/2007 |
| 7175689 | Process for producing a lightweight molded part and molded part made of metal foam A process for producing a lightweight molded part, comprising introducing a gas into a particle-containing, molten metal to produce a metal foam having voids with a monomodal distribution of their dimensions, introducing the metal foam into a casting die and compres... | 02/13/2007 |
| 7174946 | Chill casting process and foam casting process as well as a pressure tight closable casting mold for manufacture of form parts A chill casting and foam casting method together with a casting mold that is closable in a pressure-tight manner for producing molded articles. To improve the chill casting method and the foam casting method so that the quality of the products produced is greatly in... | 02/13/2007 |
| 7141206 | Method of manufacturing closed section structure filled with foam and closed section structure manufactured by the same An aluminum plate (13) is first plastic-deformed (FIG. 3D) in such a way as to envelop a foaming-agent compact (14), which is not foamed yet. Then, terminals of the aluminum plate (13) are integrally seam-welded (FIG. 3E) to thereb... | 11/28/2006 |
| 7135236 | Lightweight part, as well as a process and device for its production A lightweight part and process and device of making the same, the lightweight part including an inner core including a metal foam. A dense core surface layer is metallically joined to the inner core. An outer wall includes an essentially pore-free cast metal layer t... | 11/14/2006 |
| 7134477 | Lightweight part, as well as process and device for its production Process of making a lightweight part comprising an inner core including a metal foam, a dense core surface layer that is metallically joined to the inner core, and an outer wall comprising an essentially pore-free cast metal layer that is at least one of positively ... | 11/14/2006 |
| 7073560 | Foamed structures of bulk-solidifying amorphous alloys A foamed structure of bulk solidifying amorphous alloy with improved impact resistance, with high stiffness to weight ratio, and/or with high resistance to fatigue and crack propagation, and a method for forming such foamed structures are provided. ... | 07/11/2006 |
| 7073558 | Production method for porous metal body A process for producing a metal body comprises (1) a step of maintaining under reduced pressure a metal material within a temperature range of room temperature to a temperature lower than a melting point of the metal in a sealed vessel to thereby degas the metal mat... | 07/11/2006 |
| 6998535 | Metal foam casting apparatus and method A method for casting articles from metal foam includes a molten metal bath and a foam forming means. The foam is drawn into a ladle, within a heated chamber, which transports a foam sample to a mold. The ladle deposits the foam sample into the mold and the mold is c... | 02/14/2006 |
| 6942716 | Production of metal forms The invention relates to a process for producing metal foams of controlled structure and to the metal bodies in foam form obtained in this way, wherein metals from group IB to VIIIB of the periodic system of the elements are added before and/or during the formation ... | 09/13/2005 |
| 6932146 | Method and apparatus for low pressure aluminum foam casting A method for casting an article composed of a foamed metal includes positioning a die with a die cavity above a bath of a molten metal and pressurizing the bath to cause the molten metal to fill the die cavity. A gas is then bubbled through the molten metal to form ... | 08/23/2005 |
| 6929092 | Speaker diaphragm A speaker diaphragm that has a high heat-radiation efficiency. The speaker diaphragm includes a diaphragm main body made from a resin, and a metallic plate adhered to a major acoustic surface of the diaphragm main body adjacent a voice coil bobbin. The voice coil bo... | 08/16/2005 |
| 6915834 | Process for producing metal foam and metal body produced using this process The invention relates to a process for producing metal foam and to a metal body produced using this process. The object is achieved by a process for producing metal foam by adding a blowing agent to a metal melt, wherein the metal melt is introduced into the ... | 07/12/2005 |
| 6896029 | Process and device for manufacturing free-flowing metal foam Device and process for manufacturing a metal foam. The device includes at least two feed pipes for introducing gas. The at least two feed pipes are arranged next to one another. Each of the at least two feed pipes project into a foamable melt. The process includes i... | 05/24/2005 |
| 6889744 | Device and method for the in-situ foaming of hollow profiles with metal foam An apparatus and a method for foaming a hollow profile with metal foam are provided. The device comprises induction means, into which the hollow profile can be introduced, in which a foamable raw material is disposed, the hollow profile having an electrical interrup... | 05/10/2005 |
| 6874562 | Process for producing metal/metal foam composite components The invention relates to a process for producing metal/metal foam composite components, wherein a flat or shaped metal part is introduced into the cavity of a die, the cavity being at least partially delimited by the metal part, and then a mixture comprising a metal... | 04/05/2005 |
| 6866084 | Method and means for producing moulded foam bodies Present invention relates to a method and means for producing moulded bodies of a metal foam (9), in particular an aluminium foam. The Method involves the use of mould (1) having a cavity (8) and at least one entrance opening (3). The mou... | 03/15/2005 |
| 6854506 | Process for producing shaped metal parts The invention relates to a process for producing shaped metal parts, in particular reduced-weight shaped parts made from metallic materials. In this process, a metal body with a surface which is closed on all sides and a hollow structure in the interior is placed in... | 02/15/2005 |
| 6840301 | Method and apparatus for low pressure aluminum foam casting A method for casting an article composed of a foamed metal includes positioning a die with a die cavity above a bath of a molten metal and pressurizing the bath to cause the molten metal to fill the die cavity. A gas is then bubbled through the molten metal to form ... | 01/11/2005 |
| 6808003 | Coextruded products of aluminum foam and skin material A method of operating a twin wheel conform metal extrusion device or a cladding extrusion device for producing a composite of an extruded metal shell bonded to a metal foam core. A metal feedstock is extruded through an extrusion die defining a cavity housing a holl... | 10/26/2004 |
| 6675864 | Method for producing a composite structure with a foamed metal core A method for producing a composite structure in which a foamed metal core (1) is surrounded with a metal body (3). The method includes the following steps: a) producing a foamed metal core (1) with an essentially closed surface; b) introducing the foamed ... | 01/13/2004 |
| 6659162 | Production of large-area metallic integral foams The invention relates to a process for producing metal foams and to the metal bodies in foam form which are obtained in this way. The process for producing large-area integral metal foam by adding a blowing agent to a metal melt, is distinguished by the fact t... | 12/09/2003 |
| 6516862 | Method of fabricating a mold-cast porous metal structure A method of fabricating a porous metal structure of a molten liquid metal within a casting chamber to form a porous solid structure upon controlled chamber cooling and depressurization. The method includes provision of a pressurizable stationary mold cast... | 02/11/2003 |
| 6468671 | Foamed metal preformed body In a foamed metal preformed body, including foamed metal foam material, at least one flow conduit (18) for communicating a thermal treatment fluid is guided through or into the foamed metal foam material.... | 10/22/2002 |
| 6465111 | Metal foam jointing method In a metal foam jointing method for joining preformed bodies, a first preformed body (1) and a second preformed body (1, 2) are located in fixed positions relative to each other. By means of a jointing clamp (10), an encasement of a space (9) is formed in... | 10/15/2002 |
| 6408928 | Production of foamable metal compacts and metal foams A compact body is made by thermal spraying by high-velocity flame spraying or by cold-gas spraying. By heating the compact body to a temperature equal to or preferably above the breakdown temperature of the blowing agent, followed by cooling, porous hollo... | 06/25/2002 |
| 6263953 | Method and installation for producing "light steel" by continuous casting with gas inclusion The problem with continuous casting methods is the production in a single cast of structured material shapes presenting hollow cavities. To this end the invention provides for a continuous casting method comprising the following steps: a) the material is ... | 07/24/2001 |
| 6250362 | Method and apparatus for producing a porous metal via spray casting A method and apparatus is provided for producing a porous metal. The method broadly includes the steps of first, providing a molten metal and second, introducing a gas into said molten metal. The method then includes spray casting the molten metal contain... | 06/26/2001 |
| 5992500 | Method of making a casting having a low density insert A composite metallic cast article (A) includes a shell (28) having a predetermined solid phase density. A non removable insert (24) is at least partially embedded within the shell (28). The insert (24) is fabricated from a foamed metal substance having a ... | 11/30/1999 |
| 5865237 | Method of producing molded bodies of a metal foam A method of making castings of metal foam in which compacts of the metal, e.g. aluminum, and a gas-producing foaming agent are heated in a chamber from which the foaming mass is driven completely into the mold cavity so that some residual foaming can comp... | 02/02/1999 |
| 5632319 | Method for manufacturing environmentally conscious foamed aluminum materials A process for making high-quality foamed aluminum articles is disclosed. This process comprises the step of: (a) placing a raw aluminum feedstock into a mold, the raw aluminum feed stock contains at least 50 wt % spent (i.e., recycled) aluminum and does n... | 05/27/1997 |
| 5482533 | Method for manufacturing foam aluminum product and product A method is disclosed for forming a foamed aluminum article. A foaming vessel is used including a peripheral wall and a plurality of vertical rod members to form mounting holes at given positions in the vicinity of the inside surface of the peripheral wal... | 01/09/1996 |
| 5384203 | Foam metallic glass A method of making a solid foam material including the steps of heating in a chamber a starting material that is normally solid at room temperature to a temperature that is above its melting point, injecting a blowing liquid into the melted material to pr... | 01/24/1995 |
| 5335712 | Shaped bodies containing short inorganic fibers or whiskers and methods of forming such bodies A fiber-organic composition includes from about 5% to 50% by volume of uniformly dispersed, non-planar or three dimensionally random oriented inorganic fibers or whiskers, and a thermoplastic material such as paraffin wax. The composition also includes su... | 08/09/1994 |
| 5334236 | Process for producing shaped slabs of particle stabilized foamed metal A process and apparatus are described for manufacturing particle stabilized foamed metal slabs. A foam is first formed in a foaming chamber by heating a composite of a metal matrix and finely divided solid stabilizer particles above the solidus temperatur... | 08/02/1994 |
| 5281251 | Process for shape casting of particle stabilized metal foam Shaped articles are produced from foam metal by a procedure wherein the foam is formed by heating a composite of a metal matrix and finely divided solid stabilizer particles above the solidus temperature of the metal matrix and discharging gas bubbles int... | 01/25/1994 |
| 5181549 | Method for manufacturing porous articles A process for forming porous articles. The method utilizes an enclosed vessel in which a base material is melted into a molten state. A gas, whose solubility in the base material decreases with decreasing temperature of the base material and increases wit... | 01/26/1993 |
