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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 264/635 - Utilizing core mandrel


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Process wherein a shaping means serves as a center around
No. of patents: 74
Last issue date: 05/13/2008


  2  
NumberTitleIssue Date
5853654Process and apparatus for making ceramic articles
A process and apparatus for making a ceramic article, especially pipes and tubes of ceramic material such as silicon carbide, in which the article is formed by projecting a ceramic powder mixture comprising refractory particles and combustible particles a...
12/29/1998
5850072Electric heater assembly
An improved electric heater assembly suitable for heating molten metal, the electric heater assembly having a tube comprised of a closed end suitable for immersing in the molten metal. The tube is fabricated from a composite material comprised of a metal ...
12/15/1998
5779969Method for fabricating multiwound microcoils embedded in a ceramic substrate
A method for fabricating a multiwound microcoil embedded in a ceramic substrate including the steps of forming a sacrificial multiwound microcoil, having a melting temperature greater than the sintering temperature of the ceramic material to be used as th...
07/14/1998
5779966Method for manufacturing ceramic bell and spigot pipe moldings
Particularly large-size bell and spigot pipes of ceramic molding material are isostatically pressed within a hollow-cylindrical pressure pot with a molding cavity for the molding compound. An inner core is axially extractable and an elastomeric diaphragm ...
07/14/1998
5738819Method for making ceramic shell molds and cores
A process for making a casting mold or core utilizes a refractory composition including a slurry of yttria, an acid and an organic solvent. The composition is applied to a mold or pattern, dried, and fired to produce a mold or a layer of a mold or core. T...
04/14/1998
5725825Method of producing piezoelectric element
A method of producing a cylindrical piezoelectric element includes: (a) injecting the molding fluid containing calcined powder of piezoelectric material in a mold having cylindrical cavity and wire-shaped core inserted therein; (b) heating to dry the molding f...
03/10/1998
5716559Method of producing monolithic ceramic cross-flow filter
Ceramic filter of various configuration have been used to filter particulates from hot gases exhausted from coal-fired systems. Prior ceramic cross-flow filters have been favored over other types, but those previously horn have been assemblies of parts so...
02/10/1998
5710969Insert sintering
A method of controlling chosen geometries in sintering operations uses an insert in the preform which is to be sintered, which insert can withstand sintering temperatures without distortion, and which will not bond to the preform and thus prevent removal ...
01/20/1998
5683649Method for the fabrication of micro-electromechanical ceramic parts
Micro-electromechanical ceramic parts are formed using green ceramic and a sacrificial material that has a higher melting temperature than the sintering temperature of the green ceramic to form electrical trace paths. After the sintering of the ceramic pa...
11/04/1997
5681511Hermetic ceramic composite structures
Methods for making hermetic silicon carbide matrix composite structures by CVI. A fibrous preform is created by winding strands of yarn of refractory fiber material helically about a graphite mandrel. Impregnation of the preform is carried out in a subatm...
10/28/1997
5615291Capillary for optical fiber connectors and method of manufacturing the same
A capillary for an optical fiber connector which is low in machining cost and a process for producing the same is provided. The capillary for an optical fiber connector of the present invention comprises a cylindrical ceramics sintered body, and having a ...
03/25/1997
5500029Filter element and method of manufacture
A unitary candle filter employs a wrapping of continuous filamentary ceramic material in the form of a yarn or twine wrapped over a porous ceramic support tube to hold the support structure intact during a high pressure backwash operation. A thin filterin...
03/19/1996
5435950Method for forming a nozzle employed in continuous casting
A method for forming a nozzle employed in continuous casting is provided in which powder refractory materials are pressed with low hydrostatic pressure to produce preforms for an edge portion, an inner hole portion, and a powder line portion, these prefor...
07/25/1995
5350545Method of fabrication of composites
A method of making a fiber-reinforced ceramic matrix composite of complex shape by first rigidifying a fibrous arrangement made of woven or braided material by impregnating with a preceramic resin, and then curing and pyrolyzing the resin to form a rigid ...
09/27/1994
5240671Method of forming recessed patterns in insulating substrates
A method of forming recessed patterns in insulators is described. One embodiment of the invention is directed to ceramic green sheet fabrication by providing a sculptured plastic tape mold which includes a floor, a plurality of sidewalls adjacent to and e...
08/31/1993
5173229Process for producing perforated ceramic
A fibrous material is placed at a desired place on a preliminarily ceramic shaped body and ceramic powder added thereto. The preliminarily ceramic shaped body, ceramic powder and fibrous material subjected to mold pressing and then to cold isostatic press...
12/22/1992
5159970Method of making shell moulds for casting
A method of making a shell mould, particularly for a lost wax casting operation, includes the deposition of an adhesion agent on the pattern before the deposition of layers of ceramic material to build up the mould. The adhesion agent used is preferably a...
11/03/1992
5149476Applicator trap guide
An applicator trap guide is used to guide and coat newly synthesized synthetic filaments with a protective coating. The trap guide secures the filament against slippage while allowing rapid insertion of a filament into the trap guide and providing visual ...
09/22/1992
5135690Process for producing cylindrical reinforcing fibrous molding
A process for producing a cylindrical reinforcing fibrous molding by sealing openings at opposite ends of a porous cylindrical disintegratable mold, immersing the mold into an aqueous solution of a molding material containing reinforcing fibers and an ino...
08/04/1992
5039629Hybrid ceramic composition and process for its manufacture
A hard, corrosion resistant, non-porous hybrid ceramic material is fabricated from a greenware article comprised of a refractory powder, glass frit, and an acidic phosphate compound. The greenware article does not liquify during firing and hence retains s...
08/13/1991
5019307Method and apparatus for the manufacture of hollow ceramic beams using multiple molding mandrels
A method and apparatus for the manufacture of hollow ceramic beams are described using a plurality of substantially parallel spaced mandrels mounted within a flexible mold bag which is filled with ceramic forming powder and compressed within an isostatic ...
05/28/1991
4999145Method of forming hybrid arc tubes
Disclosed is a method for forming alumina arc tubes of complex shapes. The method comprises molding alumina powders with different shrinkage rates into a green body. The green body is prefired to remove binders in the green body and then sintered. The res...
03/12/1991
4994215Method of fabricating complex microcircuit boards, substrates and microcircuits and the substrates and microcircuits
A substrate and method of manufacture wherein a substrate is molded from particulate material wherein grooves on and through the body are formed during substrate molding and prior to sintering. The substrate includes all buss structure molded therein. Coo...
02/19/1991
4975225Manufacture of monolithic, stiff, lightweight ceramic articles
A light-weight yet sturdy ceramic article, is manufactured by initially forming at least one fugitive core including a main portion and at least one holding portion projecting from the main portion and then positioning the fugitive core in a mold cavity b...
12/04/1990
4834938Method for making composite articles that include complex internal geometry
A process is described for making a composite article without shrinkage, particularly of ceramic and metal wherein the article includes complex internal surfaces or cavities. The process requires forming an insert body that includes an external surface th...
05/30/1989
4773149Method of making ceramic tube for high temperature use
A long alumina ceramic tube having good linearity is made by longitudinally joining shorter sintered alumina tubes at the ends thereof. The end of one shorter tube is ground and externally threaded. The end of another shorter sintered alumina tube is grou...
09/27/1988
4591470Process for preparing structural bodies of granular material
A process for molding a structural body of ceramic or other granular materials which has hollow portions inwardly enlarged or complicatedly configured, which process comprises preparing a removable insert member which is fusible at temperatures not affect...
05/27/1986
4564493Method of manufacturing a casting nozzle brick
A composition of flake graphite, binder clay and a refractory material is extruded from an auger machine into a mold to form a cylindrical graphitic casting nozzle brick. The mold includes a coaxial core terminating short of an extrusion die of the auger ...
01/14/1986
4521356Decorative flatware handles and process for their preparation
Ceramic flatware handles of hard porcelain, aluminum oxide, silicon carbide or titanium oxide, with a center bore for receiving the tang, wherein the surface of the flatware handle is provided with a press-molded relief pattern. Flatware handles of this t...
06/04/1985
4440706Isostatic molding of two-terminal ceramic insulator
A ceramic insulator body for receiving and electrically isolating two parallel terminal rods is manufactured by radial isostatic compaction of a ceramic powder about a core member having an hourglass cross section. The core member produces a bore comprisi...
04/03/1984
4364783Ultrasonic end-capping of beta"-alumina tubes
This invention comprises a method of ultrasonically end-capping a tubular green body which comprises a mixture of 40-60 volume percent sinterable beta"-alumina precursor particulate and 60-40 volume percent organic sacrificial binder wherein said sacrific...
12/21/1982
4307051Process for manufacturing a lightweight refractory product
A process of making a highly porous yet relatively impervious refractory. The process includes taking a particulate pore-forming material or a mixture of refractory raw material with a particulate pore-forming material, providing the individual particles ...
12/22/1981
4185061Production of ceramic articles
An improved method for producing a ceramic insulator is disclosed. The method comprises the steps of charging ceramic batch into a longitudinally extending die in which stepped arbors are supported by a plunger, forming a blank by pressing the batch betwe...
01/22/1980
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