Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7396380 | Method for producing metal foam bodies The invention relates to a method for producing a metal foam body, according to which a molten material containing gas is prepared and said molten material is left to solidify, thus forming a metal foam body. The aim of the invention is to produce high-quality metal... | 07/08/2008 |
| 7357980 | Nonmagnetic powder comprising acicular iron and having specific porosity for a magnetic recording medium, method of manufacturing same, and magnetic recording medium using same A nonmagnetic powder, used for the nonmagnetic layer of a coated type magnetic recording medium having a multilayer structure, has good dispersibility in the binder in which it is dispersed to prepare a coating material that is applied to the nonmagnetic layer. The ... | 04/15/2008 |
| 7354548 | Fabrication of hardmetals having binders with rhenium or Ni-based superalloy Hardmetal compositions each including hard particles having a first material and a binder matrix having a second, different material comprising rhenium or a Ni-based superalloy. A two-step sintering process may be used to fabricate such hardmetals at relatively low ... | 04/08/2008 |
| 7328831 | Method of making a brazed metal article and the article formed thereby A method of making an article that is comprised of a metal foam in contact with a base metal by an intermediate braze composition, in particular, a method of brazing a metal foam to a base metal via a braze composition. In one preferred method, a polymeric foam is c... | 02/12/2008 |
| 7312985 | Cooler of notebook personal computer and fabrication method thereof Disclosed is a cooler of a notebook personal computer allowing more much heat to be rapidly discharged to the outside. The cooler includes: a heat absorbing part fan for absorbing heat generated from a heat generation device of the notebook personal computer; a cool... | 12/25/2007 |
| 7303724 | Composite metallic materials and structures and methods of making the same A composite material and method of making the same are disclosed. An example method for fabricating a composite material forms a core layer between opposing outer layers. The core layer includes a mixture of at least one metallic powder and at least one expanding ag... | 12/04/2007 |
| 7195662 | Device and process for producing metal foam A device for feeding gas in a melt of foamable metal by means of at least one pipe for producing metal foam. The gas insertion pipe projects inwardly into the melt and at the projecting end has a gas outlet having a cross section of 0.006 to 0.2 mm2 and a... | 03/27/2007 |
| 7189276 | Foamed/porous metal and method of manufacturing the same A foamed/porous metal having fine bubbles in a matrix of aluminum or magnesium has shells of aluminum oxide or magnesium oxide formed between the matrix and the bubbles of carbon dioxide. ... | 03/13/2007 |
| 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 |
| 7144636 | Process and device for manufacturing free-flowing metal foam Device 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. This Abstract is not intended to d... | 12/05/2006 |
| 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 |
| 7137433 | 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... | 11/21/2006 |
| 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 |
| 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 |
| 7114765 | Automobile hood An automobile hood has a skin and a frame reinforcing it. At least part of a space defined between the skin and the frame is packed with a foamed metal which breaks down continuously upon receiving an external force. Its continuous breakdown absorbs a substantially ... | 10/03/2006 |
| 7105127 | Method for production of metal foam or metal-composite bodies with improved impact, thermal and sound absorption properties A method for the production of foamable or foamed metal pellets, parts and panels. The method comprises the steps of: i) providing a mixture of a metal alloy powder with a foaming agent powder, ii) pre-compacting the mixture of step i); iii) heating the pre-compacte... | 09/12/2006 |
| 7100259 | Method of metallic sandwiched foam composite forming Disclosed is a method of forming metallic composite structures The method utilizes superplastic and quickplastic formation methodologies in conjunction with the use of appended engineered metallic foams to provide energy absorbing materials. ... | 09/05/2006 |
| 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 |
| 7025305 | Aircraft panel An aircraft panel comprising a sandwich construction with an outer skin portion of high strength material, an inner portion of high strength material and an intermediate core material. The core material includes areas with low density core material and a reinforceme... | 04/11/2006 |
| 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 |
| 6977095 | Process for producing rigid reticulated articles A process for producing a rigid reticulated article involves coating a reticulated substrate which has open, interconnected porosity with a first dispersion comprising a ceramic or metal powder to form a first coating thereon; drying the coated reticulated substrate... | 12/20/2005 |
| 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 |
| 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 |
| 6881241 | Method for manufacturing closed-wall cellular metal Cellular metal foam having closed cell walls is produced by introducing gas bubbles of suitable size and at a suitable rate below the surface of an otherwise non-stirred or non-agitated molten metal bath. For example, aluminum-silicon alloy, including silicon carbid... | 04/19/2005 |
| 6858178 | Composition of porous element for biomaterial A composition of a porous body for use as biomaterial according to the present invention is produced by adding Al (aluminum) in the amount of 0.1 to 3.0 atomic % to a porous composition consisting of titanium, nickel, iron and molybdenum, and it promotes the growth ... | 02/22/2005 |
| 6310355 | Lightweight radiation shield system A covering or shield attenuating the flux of electromagnetic radiation from an article. The shield includes a matrix, a radiation attenuating material provided in the matrix, and at least one space provided in the matrix. The space reduces the overall wei... | 10/30/2001 |
| 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 |
| 5738907 | Conductive metal porous sheet production A porous product, typically a metal foam sheet, is produced as a tailored, engineered product. The porous product can have enhanced strength, as well as more desirable electrical and mechanical properties. The product which first exists typically as a fle... | 04/14/1998 |
| 5735977 | Process for removal of polymer foams from nickel-coated substrates The method of the invention produces nickel structures from nickel-coated polymer substrates. The nickel-coated polymer substrate has a nickel outer layer and initially has a temperature where the outer nickel layer lacks burst openings. Rapidly exposing ... | 04/07/1998 |
| 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 |
| 5622542 | Particle-stabilized metal foam and its production The invention relates to a process for producing a particle-stabilized metal foam from a composite capable of acting as a precursor composite for the metal foam. The precursor composite is formed by heating a matrix metal, e.g. aluminum or an aluminum all... | 04/22/1997 |
| 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 |
| 5393485 | Process for the production of foamable metal elements A process for the production of foamable elements, in which a metal powder is mixed with a foaming agent powder, the powder mixture is brought to an elevated temperature in a receiver and is extruded through a die, so that the extruded part can be subsequ... | 02/28/1995 |
| 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 |
| 5221324 | Lightweight metal with isolated pores and its production A novel lightweight gas metal composite is produced having isolated particle stabilized pores. A composite of a metal matrix, e.g. aluminum, and finely divided solid stabilizer particles, e.g. silicon carbide, is heated above the liquidus temperature of t... | 06/22/1993 |
| 5213612 | Method of forming porous bodies of molybdenum or tungsten A method for forming a porous body of a metal from the group consisting of molybdenum, molybdenum alloy, tungsten, tungsten alloy, or mixtures thereof comprises foaming a mixture of a sinterable powder of the metal and a foaming agent in a volume ratio of... | 05/25/1993 |
| 5112697 | Stabilized metal foam body A method is described for producing foamed metal in which gaseous bubbles are retained within a mass of molten metal during foaming. The method comprises heating a composite of a metal matrix and finely divided solid stabilizer particles above the liquidu... | 05/12/1992 |
