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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7919039 | Ceramic fiber composite material The invention relates to a particularly low-cost and flexible process for the preparation of a sintered ceramic fiber composite material consisting of oxide-ceramic continuous fibers and an oxide-ceramic matrix, and to a fiber composite material prepared by such pro... | 04/05/2011 |
| 7597838 | Functionally gradient SiC/SiC ceramic matrix composites with tailored properties for turbine engine applications A ceramic matrix composite with a ceramic matrix and a gradient layering of coating on ceramic fibers. The coating typically improves the performance of the composite in one direction while degrading it in another direction. For a SiC-SiC ceramic matrix composite, a... | 10/06/2009 |
| 7550106 | Process for the manufacture of slabs and panels of ceramic material In the manufacture of slabs and panels of ceramic material according to the vacuum vibrocompaction method described in Italian patent 1,311,858, the initial mix is formed using ceramic having the form of sands having a grain size of less than 2.5 mm, preferably less... | 06/23/2009 |
| 7399443 | Carbon particle fiber assembly technique Carbon particles, such as, carbon fibrils and carbon nanotube molecules, may be assembled into substantially pure aligned fibers by a) dispersing the carbon particles within a curable liquid, b) aligning the carbon particles by flowing the mixture of curable liquid ... | 07/15/2008 |
| 7387757 | Methods for preparation of three-dimensional bodies Processes for mechanically fabricating two and three-dimensional fibrous monolith composites include preparing a fibrous monolith filament from a core composition of a first powder material and a boundary material of a second powder material. The filament includes a... | 06/17/2008 |
| 7318906 | Method for producing SiC fiber-reinforced SiC composite material A preformed of SiC fiber, which is coated with one or more of C, BN and SiC, is impregnated with a slurry, which suspends fine SiC powder and a sintering additive therein. The impregnated preform is hot-pressed at 1600-1800° C. with a pressure of 10 MPa or more. Th... | 01/15/2008 |
| 7300621 | Method of making a ceramic matrix composite utilizing partially stabilized fibers A green body ceramic matrix composite material (30) is formed using ceramic fibers (32) in an intermediate state disposed in a green body ceramic matrix material (34). The fibers may be in either a dry but unfired (green) condition or in a parti... | 11/27/2007 |
| 7172723 | Method of producing a shaped composite material A shaped composite material for braking applications can be produced by a method comprising the steps of: a) providing a mixture comprising bundles of filaments constituted substantially by carbon and having lengths no greater than 30 mm and an organic binder in a m... | 02/06/2007 |
| 7153379 | Methods of producing a ceramic matrix composite Methods are provided for producing a ceramic matrix composite by slurry infiltration. The methods involve placing a desized ceramic cloth lay-up into a non-ceramic cloth bag, sealing the bag to form a bagged ceramic preform, infiltrating the bagged ceramic preform w... | 12/26/2006 |
| 7081294 | Thermal shock resistant ceramic composites A ceramic composite is able to whithstand temperatures in excess of 2200 F on a repeated basis without cracking due to thermal shock. The composite has a web of reinforcement fibers; and a matrix that substantially the web after the firing step. The matrix is formed... | 07/25/2006 |
| 7067077 | Process for manufacturing friction material suitable for use as brake lining Carbon-silicon carbide brake preforms are manufactured by carbonizing a blend of carbon (e.g., polyacrylonitrile) fibers and thermosetting pitch resin, optionally along with a lubricant such as graphite,.to provide an intermediate product having open porosity and su... | 06/27/2006 |
| 7063812 | Consolidation and densification methods for fibrous monolith processing Methods for consolidation and densification of fibrous monolith composite structures are provided. Consolidation and densification of two- and three-dimensional fibrous monolith components having complex geometries can be achieved by pressureless sintering. The fibr... | 06/20/2006 |
| 7033537 | Process for producing continuous alumina fiber blanket A process for producing a continuous alumina fiber blanket by heat treating an alumina fiber precursor formed from a spinning solution containing an aluminum compound, by using a specific high-temperature furnace capable of high-temperature heat treatment. According... | 04/25/2006 |
| 7008695 | Metal non-oxide coated substrates Layered metal non-oxide coated substrates are disclosed comprising a three dimensional inorganic substrate having a coating of metal non-oxide derived from a pre-associated coating on at least a portion of all three dimensions thereof, produced by a unique process h... | 03/07/2006 |
| 6986859 | Inorganic matrix compositions and composites incorporating the matrix composition A modified alkali silicate composition for forming an inorganic network matrix. The modified alkali silicate matrix is made by reacting an alkali silicate (or its precursors such as an alkali hydroxide, a SiO2 source and water), an acidic inorganic compos... | 01/17/2006 |
| 6946013 | Ceramic exhaust filter An improved, efficient, and regenerable exhaust emission filter and filter system are provided which incorporate the use of an inorganic, non-woven fiber filter element. The filter is able to capture exhaust pollutants and particulates through the interwoven nature ... | 09/20/2005 |
| 6916435 | Process of making graphite articles A process for preparing graphite articles is presented. In particular, the process includes employing a particulate fraction comprising at least about 35 weight percent coke, coal or combinations thereof having a diameter such that a major fraction of it passes thro... | 07/12/2005 |
| 6905992 | Ceramic body reinforced with coarse silicon carbide whiskers and method for making the same A ceramic composite made by compacting a starting powder blend. The composite includes between about 50 volume percent and about 99 volume percent of a ceramic matrix; and between about 1 volume percent and about 50 volume percent as-processed silicon carbide whiske... | 06/14/2005 |
| 6899777 | Continuous fiber reinforced composites and methods, apparatuses, and compositions for making the same A process for continuous composite coextrusion comprising: (a) forming first a material-laden composition comprising a thermoplastic polymer and at least about 40 volume % of a ceramic or metallic particulate in a manner such that the composition has a substantially... | 05/31/2005 |
| 6899837 | Inorganic matrix compositions, composites and process of making the same A modified alkali silicate composition for forming an inorganic network. The modified alkali silicate matrix is made by reacting an alkali silicate (or its precursors such as an alkali hydroxide, a SiO2 source and water), an acidic oxoanionic compound suc... | 05/31/2005 |
| 6883575 | Fiber glass mat, method and laminate A fiber glass mat containing a novolac resin having an acid solubility of at least about 35 wt. percent is especially useful for bonding to a light weight fibrous or foam web or board, such as a polymer fiber web. A method of making the mat by wet laying a slurry co... | 04/26/2005 |
| 6881693 | Zirconia-containing inorganic fiber and process for the production thereof There are provided a high-strength zirconia-containing inorganic fiber having excellent alkali resistance, oxidation resistance, catalyst function and/or catalyst-carrying function and a process for the production thereof. The zirconia-containing inorganic fiber is ... | 04/19/2005 |
| 6818085 | Fiber-reinforced structural component A process for producing a fiber-reinforced, ceramic structural component comprising high-temperature resistant fibers which are reaction-bonded to a matrix of silicon carbide comprises the steps of coating bundles of fibers with pyrolysable binder and solidifying th... | 11/16/2004 |
| 6812171 | Carbon fiber sheet and process for production thereof A process for producing a carbon fiber sheet, which comprises allowing, as necessary, an oxidized polyacrylonitrile fiber sheet to contain 0.2 to 5% by mass of a resin, then subjecting the resin-containing oxidized polyacrylonitrile fiber sheet to a compression trea... | 11/02/2004 |
| 6800364 | Isotropic pitch-based materials for thermal insulation Insulation materials suited to high temperature applications, such as the insulation of furnaces, are formed from a mixture of pitch carbon fibers, such as isotropic pitch carbon fibers, and a binder comprising a solution of sugar in water. The sugar solution is pre... | 10/05/2004 |
| 6787235 | Consolidated amorphous carbon materials, their manufacture and use A carbon based material produced from the consolidation of amorphous carbon by elevated temperature compression. The material having unique chemical and physical characteristics that lend themselves to a broad range of applications such as in electrical, electrochem... | 09/07/2004 |
| 6770584 | Hybrid aerogel rigid ceramic fiber insulation and method of producing same A hybrid insulation material comprises of porous ceramic substrate material impregnated with nanoporous material and method of making the same is the topic of this invention. The porous substrate material has bulk density ranging from 6 to 20 lb/ft3 and i... | 08/03/2004 |
| 6761840 | Fiberglass railcar roof A fiberglass railcar roof that includes a fiberglass surface with a central portion and a peripheral portion adapted to be joined to the upper edge region of a railcar. In some embodiments, the roof includes plural elongate fiberglass ribs extending transverse to th... | 07/13/2004 |
| 6759117 | Multilayer ceramic composite and process for forming the composite A multilayer ceramic composite is described which contains at least one supporting zone having oxidation-sensitive reinforcing fibers as well as a matrix. The matrix optionally contains oxidation-sensitive components. The composite further contains at least one surf... | 07/06/2004 |
| 6743393 | Method for producing ceramic matrix composites A method for producing ceramic matrix composites wherein the method has the steps of impregnating crystalline silicon carbide fibers coated with an interfacial coating with a ceramic matrix precursor; forming the impregnated fibers into the desired shape; curing the... | 06/01/2004 |
| 6740286 | Consolidation and densification methods for fibrous monolith processing Methods for consolidation and densification of fibrous monolith composite structures are provided. Consolidation and densification of two- and three-dimensional fibrous monolith components having complex geometries can be achieved by pressureless sintering. The fibr... | 05/25/2004 |
| 6716376 | Method for producing a fiber composite The invention relates to a process for producing a fiber composite material containing fibers with a high hot strength, in particular based on carbon, silicon, boron and/or nitrogen, a pressing compound being produced from fibers, a binder and, if appropriate, fille... | 04/06/2004 |
| 6716782 | Rigid insulation and method of producing same A porous ceramic fiber insulating material and method of making a material having a combination of silica (SiO2) and alumina (Al2O3) fibers, and boron-containing powders is the topic of the new invention. The insulative material is c... | 04/06/2004 |
| 6630029 | Fiber coating method and reactor In a method of coating a CMC fiber, the fiber is passed through a reaction zone along a path substantially parallel to a longitudinal axis of the zone, a flow of fiber coating reactant is passed though the reaction zone, at least a portion of the flow of ... | 10/07/2003 |
| 6627019 | Process for making ceramic matrix composite parts with cooling channels A ceramic matrix composite part having elongated cooling channels within the wall thereof is manufactured by inserting decomposable inserts within a woven ceramic fiber preform. The inserts are tows of continuous carbon fibers surrounded by a carbonaceous... | 09/30/2003 |
| 6613255 | Method of making a permeable ceramic tile insulation A method of making a permeable fiber-reinforced ceramic body comprising mixing an organic particulate with silica fiber, alumina fiber, alumina borosilicate fiber, a dispersant, and water to produce a slurry of fibrous ceramic material. The slurry is then... | 09/02/2003 |
| 6602369 | Process for producing laminated sheet comprising alumina fiber precursor The present invention relates to a process for producing a laminated sheet comprising an alumina fiber precursor, which process comprises spinning out an alumina fiber precursor from a solution mainly comprising an aluminum compound, falling and stacking ... | 08/05/2003 |
| 6571858 | Method of manufacturing preform for compounding use A method of manufacturing a preform for compounding use which, is to be impregnated with a molten metal to be compounded with a matrix material, is provided. The method includes the step of mixing short fibers, ceramic particles and a binder material toge... | 06/03/2003 |
| 6558782 | Flexible graphite sheet and method of producing the same Flexible graphite article of manufacture made by compressing a mixture of expanded graphite particle and a fluoro-resin including ethylene-tetrafluoroethylene (ETFE) copolymers after additional heat treatment. An article of manufacture of a gasket materia... | 05/06/2003 |
| 6524979 | Fiber-reinforced material and production and use thereof There is described a fiber-reinforced material composed of a sheetlike textile material and a thermoset resin with a fiber content of from 30 to 70% by weight, at least 30% of the fiber being synthetic fiber. The thermoset resin is preferably a phenolic resin ... | 02/25/2003 |
