Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 7309479 | Cobalt oxide catalysts The present invention provides unsupported and supported cobalt oxide catalysts and preparation method thereof, and its application for hydrogen generation from a metal borohydride solution. More particularly, provided are an activation method of a newly prepared ca... | 12/18/2007 |
| 7309475 | Whisker-reinforced ceramic containing aluminum oxynitride and method of making the same A process of making aluminum oxynitride powder including the steps of: forming a powder mixture by mixing alumina powder and aluminum nitride powder according to the following formula: ((4−x)/3) alumina and x aluminum nitride wherein x is in mole percent and range... | 12/18/2007 |
| 7220377 | Method of manufacturing spacer assembly used in flat display device A spacer assembly has first and second spacers that are set up integrally on first and second surfaces, respectively, of a substrate. Each spacer is tapered toward its extended end. In forming the spacer assembly, first and second molding dies having through holes c... | 05/22/2007 |
| 7045091 | Transient liquid phase reactive sintering of aluminum oxynitride (AlON) A transparent aluminum oxynitride product is produced by a first heat treating step wherein a combination of Al2O3 and AlN at a temperature within the solid-liquid phase and a second step of sintering the heat treated combination at a temperatu... | 05/16/2006 |
| 7017371 | Method for producing a glass Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and having a determined chemical composition adjusted on basis of knowledge o... | 03/28/2006 |
| 6824727 | Method for preparing SiAlON ceramic material A SiAlON-based ceramic particularly suited for use as a cutting tool in the high speed chip forming machining of metals composed of a SiAlON matrix including a) a phase of alpha′ SiAlON represented by the general formula of Mx (Si,Al)12(O,N) | 11/30/2004 |
| 6777114 | Silicon carbide-based porous body and process for production thereof It is directed to a silicon carbide-based porous body, wherein said body is a porous one which contains silicon carbide particles as an aggregate and metallic silicon, and has an oxygen-containing phase at the surfaces of silicon carbide particles and/or metallic si... | 08/17/2004 |
| 6638572 | Heat resistant material for molds and other articles A particulate silicone based material and method for forming a heat resistant composite is provided. The particulate silicone based material is heated to a temperature between about 200° F. and about 400° F. The particulate silicone based material is co... | 10/28/2003 |
| 6558612 | Process for producing spherical biocompatible ceramic particles A permanent, biocompatible material for soft tissue augmentation. The biocompatible material comprises a matrix of smooth, round, finely divided, substantially spherical particles of a biocompatible ceramic material, close to or in contact with each other... | 05/06/2003 |
| 6492042 | Ceramics material and producing the same The invention is a method of producing a ceramics material comprising the steps of: preparing a raw powder in which alumina particles having an average particle diameter of 0.1-1.0 μare doped with at least magnesia of 0.01-1 weight % and a solution conta... | 12/10/2002 |
| 6479420 | Ceramics and their power for scintillators, and method for producing same A sintered ceramic for a scintillator having a composition represented by the general formula of Gd3-x Cex Aly Siz Ga5-y-z O12, wherein 0.001ࣘxࣘ0.05, 1ࣘyࣘ4, and 0.0015ࣘzࣘ0.03, i... | 11/12/2002 |
| 6399013 | Method of manufacturing large-scale ceramics board A method of manufacturing large thin wall ceramics board includes pulverizing and uniformly mixing, in dry content conversion, plasticity clay in an amount of 30-40% by weight, wollastonite having an aspect ratio of more than 10 in an amount of 20-50% by ... | 06/04/2002 |
| 6355587 | Quartz glass products and methods for making same The application discloses a number of unique sintered quartz glass products together with new silica compositions and processes for making and using such products. Nitrided clear and opaque nitrided quartz products are disclosed having incredible physical... | 03/12/2002 |
| 6315941 | Ceramic core and method of making Method of making a ceramic core for casting an industrial gas turbine engine airfoil having a large airfoil pitch by forming a precursor core (chill) of smaller dimensions than the final desired ceramic core, firing the chill, applying a thin ceramic skin... | 11/13/2001 |
| 6156259 | Method of manufacturing piezoelectric materials In a method of manufacturing piezoelectric ceramics by molding pre-fired or calcined powders of ingredients of a piezoelectric ceramic material and sintering the powder mold at a high pressure, the powder mold is pre-sintered at an atmospheric pressure be... | 12/05/2000 |
| 6099761 | Process for producing solar-cell watch dial A solar-cell watch dial to be disposed on or above a solar cell housed in a watch, the solar-cell watch dial including an alumina of the formula Al2 O3 whose purity is at least 99.90% and exhibiting a light transmission ranging from ... | 08/08/2000 |
| 6022505 | Process for manufacturing ceramic metal composite bodies, the ceramic metal composite body and its use A process for manufacturing a ceramic metal composite body in the case of which a dimensionally stable and porous sacrificial body is produced from ceramic initial products and is filled at a filling temperature with a softened metal, particularly under a... | 02/08/2000 |
| 6012304 | Sintered quartz glass products and methods for making same A number of unique processes are disclosed for manufacture of sintered high-purity quartz glass products in which a shaped silica body or preform is made from an aqueous slurry of micronized silica particles by gel casting, slip casting or electrophoretic... | 01/11/2000 |
| 6004503 | Method of making a ceramic arc tube for metal halide lamps A method of making a ceramic arc tube for a metal halide lamp comprises the steps of forming as an integral unit a hollow body having one open end and a substantially closed end. The substantially closed end includes an outwardly extending capillary tube ... | 12/21/1999 |
| 5928583 | Process for making ceramic bodies having a graded porosity Process for making graded porosity ceramics. A process for making graded porosity ceramics is described which includes the steps of placing a chosen amount of ceramic powder into a mold, compacting the ceramic powder into a green body, applying at least o... | 07/27/1999 |
| 5855841 | Process for producing dense ceramic product A process for the production of dense polycrystalline silicon carbide shaped articles, includes the steps: (a) heating a powder compact containing silicon carbide and alumina or a precursor thereof together with a secondary sintering assist, to an interme... | 01/05/1999 |
| 5855842 | Process for producing a dense ceramic product A process for the production of dense polycrystalline silicon carbide shaped articles; includes (a) heating a powder compact containing silicon carbide and alumina or a precursor thereof to an intermediate temperature, and maintaining the said intermediat... | 01/05/1999 |
| 5762862 | Method for firing ceramic forms The invention is directed to a method of firing ceramics and a furnace for manufacturing ceramics. Ceramic forms are first fired in a cylindrical heat resistant container in a furnace core tube by using a lateral tubular furnace to increase their mechanic... | 06/09/1998 |
| 5756042 | Process for producing non-oxidic ceramic having a defined thermal conductivity A process is proposed for producing non-oxidic ceramic having a thermal conductivity in a predetermined range. A shaped body of non-oxidic ceramic material is heated to remove organic constituents, and is subsequently thermally treated in an oxygen-contai... | 05/26/1998 |
| 5753162 | Method for in-situ environment sensitive sealing and/or product controlling A single furnace loading cycle method for sintering at least one product. The method comprises the steps of placing at least one product into a ventable/sealable box, which box is placed inside a furnace. The box is vented inside the furnace at a first te... | 05/19/1998 |
| 5554328 | Method of making heat and impact resistant composite ceramic material The invention provides a ceramic composite material which includes 50-90% boron carbide, 5-30% silicon carbide, and 3-22% titanium carbide. All constituents are in powder form, and have a particle size of between 1 and 40 microns, and a purity of at least... | 09/10/1996 |
| 5458833 | Method of thermal treatment of mineral raw material Method for the production of sintered dolomite, wherein at least carbonate material is ground into particles, formed into a predetermined shape, such as briquettes, deacidified and then heated to a predetermined temperature.... | 10/17/1995 |
| 5447894 | Sintered ceramic article formed mainly of alumina A sintered ceramic article formed mainly of alumina, having a chemical composition of from 1 to 10% by weight of La2 O3, from 0.01 to 0.1% by weight of SiO2, and the balance of Al2 O3 and containing t... | 09/05/1995 |
| 5411690 | Process for producing a tetragonal phase zirconia ceramic A process for producing a zirconia ceramic having a tetragonal phase crystal grain structure includes compacting a powder including zirconium oxide and dopant in the presence of binder to form a green part; and sintering the green part. The part is sinter... | 05/02/1995 |
| 5409887 | Enhancement of mechanical properties of 123 superconductors A composition and method of preparing YBa2 Cu3 O7-x superconductor. Addition of tin oxide containing compounds to YBCO superconductors results in substantial improvement of fracture toughness and other mechanical propertie... | 04/25/1995 |
| 5393471 | Process for producing a pattern in a glaze composition and preparation of a mold therefore A pattern is provided in a glaze composition by a series of steps which includes patterning an at least partially cured fusible enameling composition by restructuring it through the removal of material therefrom, refiring the contoured restructure of the ... | 02/28/1995 |
| 5366669 | Injection molding of ceramic articles using aqueous based thermoplastic resin Polyvinyl alcohol copolymers are used as binder in an aqueous ceramic particle slurry for injection molding green ceramic bodies. The slurry is dried to form a coated powder which is then heated and injection molded into a desired shape. The molded shape ... | 11/22/1994 |
| 5275772 | Silicon nitride sintered body and process for producing the same The present invention relates to a silicon nitride sintered body [wherein the composition of Si3 N4 -first aid (Y2 O3 +MgO)-second aid (at least one of Al2 O3 and AlN)] falls within a range... | 01/04/1994 |
| 5227106 | Process for making large size cast monolithic refractory repair modules suitable for use in a coke oven repair A reconstruction of a heating wall of a coking oven. The reconstruction includes utilization of a novel large size cast refractory repair module which may be utilized to replace existing silica bricks within a coke oven heating wall. The novel large size ... | 07/13/1993 |
| 5225127 | Process for production of sintered silicon nitride made article There is provided a process for the production of a sintered article which comprises steps of shaping a raw material powder comprising silicon nitride, thermally treating a shaped article in a non-oxidizing atmosphere at a temperature of 1300° to 1650° C. fo... | 07/06/1993 |
| 5164138 | Material comprising silicon and process for its manufacture A novel material can be obtained by chemical reaction from elemental or alloyed silicon powder, to which fillers are optionally added. The novel material, which can be worked mechanically, can be further refined by means of subsequent heat treatment and/o... | 11/17/1992 |
| 5139718 | Method of manufacturing products of ceramics A method of manufacturing a product of cermacis in which a green body is formed by isostatic pressing and an outer surface of the green body is polished by a buffing member before sintering, so that the utilization coefficient of a starting material of th... | 08/18/1992 |
| 5114889 | Silicon nitride sintered body and process for preparation thereof Disclosed is a silicon nitride sintered body comprising 70 to 99 mole % of silicon nitride, 0.1 to 5 moles % of a rare earth element oxide and up to 25 moles % of silicon oxide and having a silicon oxide-to-rare earth element oxide molar ratio of from 2 t... | 05/19/1992 |
| 5114641 | Method for producing an elongated sintered article Method for producing an elongated sintered article, characterized by the steps including filling powder material in a pipe, carrying out plastic deformation of the pipe filled with the powder material, and heating the pipe filled with the powder material ... | 05/19/1992 |
| 5089195 | Method for producing calcium phosphate-based material A method for producing a calcium phosphate-based material comprising: (a) molding a calcium phosphate powder; (b) preliminarily calcining the resulting molding in a vacuum or under a reduced pressure until the relative density is 95% or more; and (c) firing the mol... | 02/18/1992 |
