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Patent No. 6637829

Decorative Jeweled Wheel Cover

An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.

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Class 419/36 - Addition of fugitive material


Subclass of Class 419 - Powder metallurgy processes
Definition: Processes wherein a fugitive ingredient is incorporated in the powder admixture.
No. of patents: 519
Last issue date: 06/26/2012


1                      
NumberTitleIssue Date
8206645Preparation of filler-metal weld rod by injection molding of powder
A method for preparing a filler-metal weld rod of a filler-metal composition includes the steps of centerless grinding the filler metal weld rod of a forced mixture of a mass of titanium aluminide intermetallic alloy powder that was used to form the weld rod, and ho...
06/26/2012
8062582Powder metallurgy methods and compositions
The present invention provides metal powder compositions for pressed powder metallurgy and methods of forming metal parts using the metal powder compositions. In each embodiment of the invention, the outer surface of primary metal particles in the metal powder compo...
11/22/2011
8021604Preparation of filler-metal weld rod by injection molding of powder
A filler-metal weld rod of a filler-metal composition is prepared by providing a mass of metallic powders, mixing the metallic powders with a temporary thermoplastic binder to form an injection-moldable mixture, and thereafter injection molding the injection-moldabl...
09/20/2011
7731894Process for producing a breech slide for a firearm
A method for producing a breech slide of a firearm in a metal injection molding process. The process includes the following steps: a green body is injected in an injection mold. The green body is cooled. The binder is removed from the green body to form a brown body...
06/08/2010
7662338Manufacturing method of a sintered powder molded body
A sintering compound containing a sinterable powder and a binder removable in a debinding step is injected into a metal mold set provided with a sintering compound injecting mold, in a sintering compound molding step (S104). An add-on forming compound which b...
02/16/2010
7585458Method of using a feedstock composition for powder metallurgy forming of reactive metals
A feedstock composition and a method of forming metal articles using powder metallurgy techniques comprise mixing metal powders and a novel aromatic binder system. The composition of the novel feedstock comprises an aromatic binder system and a metal powder. The aro...
09/08/2009
7544322Process for the pressureless sintering of metal alloys; and application to the manufacture of hollow spheres
Hollow metal spheres are heated in a high vacuum in the presence of an organic substance, at a temperature at least equal to the melting point of a eutectic between carbon and the metallic constituents of the said spheres. ...
06/09/2009
7419527Increased density particle molding
Novel powders or particles are formed by associating them with relatively small proportions of hydrolysable liquid material. The resulting particle/liquid mass is placed in a mold and sintered under conditions of heat and pressure that enables at least some of the h...
09/02/2008
7416578Powder metal composition
The invention concerns a powder metal composition comprising an iron based powder and a lubricant and/or binder comprising at least one secondary amide of the general formula: R1—NH—CO—R2, wherein R1 and R2 are the s...
08/26/2008
7387658Method of making a cemented carbide powder mixture and the resulting cemented carbide powder mixture
A method of making cemented carbide at which powders forming hard constituents and powders forming binder phase are wet milled together with a pressing agent is disclosed. The slurry is dried, preferably by spray drying, compacted into bodies of desired shape and si...
06/17/2008
7384445Sintered metal parts and method for the manufacturing thereof
The invention concerns a sintered metal part which has a densified surface and sintered density of at least 7.35 g/cm3 and a core structure distinguished by a pore structure obtained by single pressing to at least 7.35 g/cm3 and single sinterin...
06/10/2008
RE40348Arc segment magnet, ring magnet and method for producing such magnets
A thin arc segment magnet made of a an R-T-B based, rare earth sintered magnet substantially comprising 28-33 weight % of R and 0.8-1.5 weight % of B, the balance being substantially Fe T, wherein R is at least one rare earth element including Y, and...
06/03/2008
7365988Cycling LED heat spreader
A graphite heat spreader is provided for use with a flash LED light source for a camera of a handheld device such as a cell phone. Dramatically reduced operating temperatures are provided at substantially increased power levels thus providing both improved lighting ...
04/29/2008
RE40273Method of manufacturing an archery broadhead with sintered components
The present invention relates generally to a method of manufacturing broadhead components utilizing a powder injection molding (PIM) process that reduces the number of operations, thus simplifying the manufacturing process required to produce a finished product whil...
04/29/2008
7351371Method for the production of near net-shaped metallic and/or ceramic parts
A porous near-net-shape metallic parts with an open porosity of at least 10% by volume is made by first forming an injectable mass of a metallic powder of stainless steel, Ti, NiTi, or a titanium alloy, at least one thermoplastic binder, and at least one place holde...
04/01/2008
7347968Method to form multi-material components
The invention shows how powder injection molding may be used to form a continuous body having multiple parts, each of which has different functional properties such as corrosion resistance or hardness, there being no connective materials such as solder or glue betwe...
03/25/2008
7341689Pre-alloyed iron based powder
The invention concerns a new pre alloyed steel powder comprising in addition to iron and inevitable impurities, by wt %, 1.3-1.7% by weight of Cr, 0.15-0.3% by weight of Mo, 0.09-0.3% by weight of Mn, not larger than 0.01 by weight of C, not larger than 0.25% of O.
03/11/2008
7329381Method for fabricating a metallic article without any melting
A metallic article made of metallic constituent elements is fabricated from a mixture of nonmetallic precursor compounds of the metallic constituent elements. The mixture of nonmetallic precursor compounds is chemically reduced to produce an initial metallic materia...
02/12/2008
7329380Method of controlling the dimensional change when sintering an iron-based powder mixture
The invention concerns a method of controlling the dimensional change to a predetermined value including the steps of providing a first powder (A) consisting of an iron based powder (1) and copper in the form of elemental copper (2), or copper diffusio...
02/12/2008
7326274Binder compositions and methods for binder assisted forming
Multiphase polymeric binders for binder assisted forming of sinterable powder bodies are formulated to demonstrate improved rheological properties in the form of newtonion or near newtonion flow behavior thereby reducing dependence of binder viscosity on shear by ta...
02/05/2008
7309374Diffusion bonded nickel-copper powder metallurgy powder
In contrast to current industrial practice where alloying powders are added to starting powder metallurgy compositions either as powder mixtures or fully prealloyed powders, the present invention posits a diffusion bonded nickel-copper precursor additive mixture for...
12/18/2007
7303722Method of making tools or components
The present invention relates to a method of making a sintered body comprising one or more hard constituents in a binder phase by injection molding or extrusion. According to the invention, the binder system comprises 30-70 wt % poly(ethylene-co-vinylacetate) and ba...
12/04/2007
7303005Heat spreaders with vias
Constructions for and methods of manufacturing graphite heat spreaders having thermal vias placed therethrough are provided. Thermal vias having one or two flanges are disclosed, as are flush thermal vias. Graphite heat spreaders having surface layers covering the g...
12/04/2007
7300488Powder metal composition and method for producing components thereof
The present invention concerns a powder metal composition for producing powder metal components comprising a Co-based pre-alloyed powder, with irregularly shaped particles comprising at least 15% by weight Cr and less than 0.3% by weight C, admixed with graphite.
11/27/2007
7294165Method of forming nano-crystalline structures and product formed thereof
A product in which at least a portion of the product has a nanocrystalline microstructure, and a method of forming the product. The method generally entails machining a body in a manner that produces chips consisting entirely of nano-crystals as a result of the mach...
11/13/2007
7285241Method of manufacturing hard material components
The present invention relates to a method of making a sintered body comprising one or more hard constituents in a binder phase by injection molding or extrusion. According to the invention, the granulating agent during drying is an ethylene oxide polymer and the bin...
10/23/2007
7279126Method of producing shared articles
A novel process for manufacturing of injection molded metal, ceramic, and CERMET parts, in a manner amenable to high-volume, low-cost manufacturing, comprising the steps of forming a mechanical mixture of metal and/or ceramic powders at room temperature, a binder an...
10/09/2007
7280343Low profile electrolytic capacitor assembly
An integrated capacitor assembly that offers improved performance characteristics in a convenient and space-saving package is provided. The capacitor assembly contains multiple discrete solid electrolytic capacitors that are “finished” in the sense that they are...
10/09/2007
7258720Metal powder composition for use in selective laser sintering
A three-dimensional object of a desired shape is made by irradiating an optical beam on a metal powder layer to form a sintered layer and by laminating such sintered layer one above another. A metal powder composition for use in making such a three-dimensional objec...
08/21/2007
7232473Composite material containing tungsten and bronze
High-density composite materials comprising tungsten and bronze are useful as lead replacements in the production of ammunition, weights and other high density articles. The composition of the composite, articles manufactured using the composite, and a process for m...
06/19/2007
7229666Chemical vapor deposition method
Methods of chemical vapor deposition include providing a deposition chamber defined at least in part by at least one of a chamber sidewall and a chamber base wall. At least one process chemical inlet to the deposition chamber is included. A substrate is positioned w...
06/12/2007
7224048Flip chip ball grid array package
A flip-chip ball grid array integrated circuit package with improved thermo-mechanical properties is provided. The package includes a substrate having first and second surfaces and a plurality of conductive traces therebetween. A semiconductor die is flip-chip mount...
05/29/2007
7220397Modified oxygen reduced valve metal oxides
Pressed material such as anodes are described and formed from oxygen reduced oxide powders using additives, such as binders and/or lubricants. Methods to form the pressed material are also described, such as with the use of atomizing, spray drying, fluid bed process...
05/22/2007
7220380System and method for fabricating a three-dimensional metal object using solid free-form fabrication
A method for solid free-form fabrication of a three-dimensional metal object includes depositing a particulate blend in a defined region, the particulate blend including a number of metal or metal alloy particulates and a peroxide, and selectively ink-jetting a bind...
05/22/2007
7217310Metal powder for powder metallurgy and iron-based sintered compact
Provided is metallic powder for powder metallurgy having iron as its principal component and containing indium soap, or metallic powder for powder metallurgy further comprising at least one type selected among bismuth soap, nickel soap, cobalt soap, copper soap, man...
05/15/2007
7211218Polycrystalline diamond carbide composites
Polycrystalline diamond (PCD) carbide composites of this invention have a microstructure comprising a plurality of granules formed from PCD, polycrystalline cubic boron nitride, or mixture thereof, that are distributed within a substantially continuous second matrix...
05/01/2007
7195735Porous sintered metal and filter thereof, and method for producing porous sintered metal
A porous sintered metal comprising voids at least partially communicating with each other, and pores provided in walls of the voids, the porous sintered metal having a BET surface area of 700 cm2/cm3 or more, and an average diameter of the pore...
03/27/2007
7182848Production of hollow ceramic membranes by electrophoretic deposition
The present invention provides methods for producing hollow ceramic membranes by electrophoretic deposition. The hollow ceramic membranes may have a small cross-sectional area of about 1.0×10−5 mm2 to about 25 mm2. The cross-secti...
02/27/2007
7183242Lubricant system for use in powdered metals
The present invention provides a lubricant system in the pressing of powders to form a part. The lubricant system is a solid at ambient conditions. However, upon application of pressure during the pressing of the metal parts, the lubricant system forms a liquid phas...
02/27/2007
7163569Raw or granulated powder for sintering, and their sintered compacts
An object of the present invention is to provide a low-alloyed steel powder for sintering that can yield a sintered compact with high density and uniform characteristics, and to provide a sintered compact having such characteristics. The present invention is a raw p...
01/16/2007
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