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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 |
| 8096345 | Method and apparatus for producing amorphous ribbon A method and apparatus are provided for producing an amorphous ribbon by ejecting and rapidly solidifying molten alloy on a circumferential surface of a rapidly rotating cooling roll, wherein the cooling roll is polished online during amorphous ribbon production. Wh... | 01/17/2012 |
| 7806165 | Method for making hot strips of lightweight construction steel In a method for making hot strips, a workable lightweight construction steel is used which in particular can easily be deep-drawn cold and includes the main elements Si, Al and Mn, with high tensile strength and good TRIP and/or TWIP characteristics. The mass % are ... | 10/05/2010 |
| 7588071 | Continuous casting of foamed bulk amorphous alloys Methods and apparatuses for the continuous casting of solid foam structures with varying bubble density from bulk solidifying amorphous alloys are provided. Continuously cast solid foam structures having bubble densities in the range of from 50 percent up to 95% by ... | 09/15/2009 |
| 7575040 | Continuous casting of bulk solidifying amorphous alloys A process and apparatus for continuous casting of amorphous alloy sheets having large sheet thickness using bulk solidifying amorphous alloys are provided. Thick continuous amorphous alloy sheets made of bulk solidifying amorphous alloys are also provided. ... | 08/18/2009 |
| 7571757 | Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet Disclosed is a rare earth magnet in the R—T—B (rare earth element-transition metal-boron) system that is made from an improved composition and properties of main phase alloy in the R—T—B system containing Pr and a boundary alloy. Disclosed also is a manufact... | 08/11/2009 |
| 7442262 | Alloy flake for rare earth magnet, production method thereof, alloy powder for rare earth sintered magnet, rare earth sintered magnet, alloy powder for bonded magnet and bonded magnet Disclosed is a rare earth magnet in the R-T-B (rare earth element-transition metal-boron) system that is made from an improved composition and properties of main phase alloy in the R-T-B system containing Pr and a boundary alloy. Disclosed also is a manufacturing me... | 10/28/2008 |
| 7431070 | Rare earth magnet alloy ingot, manufacturing method for the same, R-T-B type magnet alloy ingot, R-T-B type magnet, R-T-B type bonded magnet, R-T-B type exchange spring magnet alloy ingot, R-T-B type exchange spring magnet, and R-T-B type exchange spring bonded magnet One object of the present invention is to provide a rare earth magnet alloy ingot, which has improved magnetic properties. In order to achieve the object, the present invention provides a rare earth magnet alloy ingot, wherein the rare earth magnet alloy ingot compr... | 10/07/2008 |
| 7306025 | Methods for continuous casting of a molten material A method for controlling and manipulating solidification of a molten material includes generating a gradient pattern on at least a portion of a substrate and depositing the molten material on at least a portion of the substrate with the gradient pattern. ... | 12/11/2007 |
| 7291231 | Copper-nickel-silicon two phase quench substrate A copper-nickel-silicon quench substrate rapidly solidifies molten alloy into microcrystalline or amorphous strip. The substrate is composed of a thermally conducting alloy. It has a two-phase microstructure with copper rich regions surrounded by a discontinuous net... | 11/06/2007 |
| 7279053 | Alloy thin ribbon for rare earth magnet, production method of the same, and alloy for rare earth magnet The present invention provides a rare earth magnet superior in magnetic properties and thermal stability. In an aspect of the present invention, a production method of an alloy thin ribbon for a rare earth magnet includes a step to obtain a quenched thin ribbon by f... | 10/09/2007 |
| 7261781 | Nanocomposite magnet A nanocomposite magnet has a composition represented by (Fe1-mTm)100-x-y-z-nQxRyTizMn, where T is at least one of Co and Ni, Q is at least one of B and C, R is at least one rare earth eleme... | 08/28/2007 |
| 7258751 | Rare earth magnet and method for production thereof In a rare earth magnet, an added heavy rare earth element RH such as Dy is effectively used without any waste, so as to effectively improve the coercive force. First, a molten alloy of a material alloy for an R-T-Q rare earth magnet (R is a rare earth ele... | 08/21/2007 |
| 7235910 | Selective etching process for cutting amorphous metal shapes and components made thereof A selective etching process cuts shapes from amorphous metal strip feedstock. The etching process comprises depositing a chemically resistant material to one side of the strip in a pattern that defines the requisite shape, mating the metal strip with a carrier strip... | 06/26/2007 |
| RE39656 | Apparatus and method for producing metal fiber The apparatus and a method are used to produce metal fiber, which can increase production efficiency of metal fiber using a metal plate and simplify manufacturing equipments and includes a controlling device. The method for producing metal fiber includes steps of: m... | 05/29/2007 |
| 7205893 | Marker for mechanically resonant article surveillance system A magnetomechanical resonance element or marker strip with facilitated performance based on an amorphous magnetostrictive alloy ribbon is utilized in an electronic article surveillance marker. A curvature along the element's length direction is introduced during rib... | 04/17/2007 |
| 7160398 | Method of making rapidly solidified alloy for magnet A melt of an alloy, represented (Fe1-mTm)100-x-y-zQxRyMz, where T is Co and/or Ni, Q is B and/or C, R is at least one rare-earth element, M is selected from Al, Si, Ti, V, Cr, Mn, Cu, Zn, Ga, Zr, Nb, ... | 01/09/2007 |
| 7144463 | Highly quenchable Fe-based rare earth materials for ferrite replacement The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability. More specifically, the invention relates to isotropic Nd—Fe—B type... | 12/05/2006 |
| 7144468 | Method of constructing a unitary amorphous metal component for an electric machine A unitary amorphous metal magnetic component for an axial flux electric machine such as a motor or generator is formed from a spirally wound annular cylinder of ferromagnetic amorphous metal strips. The cylinder is adhesively bonded and provided with a plurality of ... | 12/05/2006 |
| 7143654 | Methods and apparatus for detecting the presence, intensity, trajectory or location of a liquid stream An array of piezoelectric ceramic sensors affixed to a flexible plastic membrane forms a target surface and the signals produced by the sensors are processed to produce an output signal which indicates the location where a liquid stream strikes the target. The senso... | 12/05/2006 |
| 7138017 | Rare earth magnet and method for producing the magnet A method of making an alloy powder for an R—Fe—B-type rare earth magnet includes the steps of preparing a material alloy that is to be used for forming the R—Fe—B-type rare earth magnet and that has a chilled structure that constitutes about 2 volume percent... | 11/21/2006 |
| 7121322 | Strip-casting machine for production of a metal strip The invention relates to a strip-casting machine for production of a metal strip, comprising two adjacent case-width casting rollers (22, 24), forming a casting gap (15′), with side seals (25) arranged on the front face thereof. The rotating c... | 10/17/2006 |
| 7100670 | Method for fabricating uranium foils and uranium alloy foils A method of producing thin foils of uranium or an alloy. The uranium or alloy is cast as a plate or sheet having a thickness less than about 5 mm and thereafter cold rolled in one or more passes at substantially ambient temperatures until the uranium or alloy thereo... | 09/05/2006 |
| 7082986 | System and method for continuous casting of a molten material A system and method for controlling and manipulating solidification of a molten material includes a substrate on which the molten material is deposited and a writing system that generates a gradient pattern on at least a portion of the substrate on which the molten ... | 08/01/2006 |
| 7073564 | System for homogenizing a molten metal film A method and apparatus for making a molten film of metal, in particular a steel film, more uniform by strip casting, in which the molten material which is applied to a revolving belt is to have a thickness and properties which are as uniform as possible across the w... | 07/11/2006 |
| 7059384 | Apparatus and method for metal strip casting Disclosed is a method and apparatus for continuously casting a metal strip. A casting pool of molten metal is formed, and a metal strip is solidified onto a casting surface. The temperature of the casting surface is maintained above a predetermined critical value. B... | 06/13/2006 |
| 7022252 | Permanent magnetic alloy and bonded magnet The permanent magnetic alloy of the present invention comprises an R—Fe—B alloy wherein R is at least one element selected from rare earth elements including Y. The R—Fe—B alloy has a composition mainly comprising Fe, substantially containing no N, and conta... | 04/04/2006 |
| 7017645 | Thermoplastic casting of amorphous alloys A process and apparatus for thermoplastic casting of a suitable glass forming alloy is provided. The method and apparatus comprising thermoplastically casting the alloy in either a continuous or batch process by maintaining the alloy at a temperature in a thermoplas... | 03/28/2006 |
| 7004228 | Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet To make a raw alloy, consisting mostly of amorphous structure, highly productively and at a reduced cost for a nanocomposite magnet, a molten alloy represented by Fe100-x-y-zRxQyMz (where R is at least one element selected... | 02/28/2006 |
| 6979409 | Highly quenchable Fe-based rare earth materials for ferrite replacement The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability. More specifically, the invention relates to isotropic Nd—Fe—B type... | 12/27/2005 |
| 6957762 | Vacuum brazing method for aluminum-based material A vacuum brazing method is disclosed for joining aluminum stock materials to each other. The typical cladding material utilized includes aluminum and a melting point lowering agent such as silicon. In addition, the cladding material typically includes magnesium to p... | 10/25/2005 |
| 6935408 | Method for producing steel slabs A method for producing steel slabs, whereby the strand leaves an ingot mold with melt enclosed by a strand shell and, in a strand guide located downstream, the opening width of guide rolls mounted in segments with upper and lower frames can be set in a continuous ma... | 08/30/2005 |
| 6923842 | Method and apparatus for producing fine particles, and fine particles A method and apparatus are invented for producing fine particles, which can readily realize the formation of fine particles of sub-μm order to 100 micron order as well as fine particles of several micrometer which cannot be realized by a conventional method and app... | 08/02/2005 |
| 6916385 | Method of manufacturing magnet materials, and ribbon-shaped magnet materials, powdered magnet materials and bonded magnets Disclosed herein is a method of manufacturing a magnetic material which can provide a bonded magnet having excellent magnetic properties and having excellent reliability. A melt spinning apparatus 1 is provided with a tube 2 having a nozzle 3 at... | 07/12/2005 |
| 6907915 | Method and installation for producing a metal strip The invention relates to a method and to an installation for producing a metal strip. The aim of the invention is to make sure that the metal strip formed in the casting installation passes through the first cooling and grain texturing phase substantially without be... | 06/21/2005 |
| 6864793 | Magnetic marker and manufacturing method therefor A magnetic marker comprises a magnetically switchable wire and a magnetic casing that covers the magnetically switchable wire. The magnetically switchable wire is formed of a magnetic material that undergoes occurrence of sharp magnetic inversion when an alternating... | 03/08/2005 |
| 6830633 | Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic materials and bonded magnets A magnetic material manufacturing method, a ribbon-shaped magnetic material manufactured by the method, a powdered magnetic material formed from the ribbon-shaped magnetic material and a bonded magnet manufactured using the powdered magnet material are disclosed. Th... | 12/14/2004 |
| 6800145 | Rare earth magnet alloy, manufacturing method thereof and product applied with rare earth magnet alloy A Nd—Fe—B type rare earth magnet alloy is provided with hard magnetic phases each of which has a size equal to or less than 80 nm, soft magnetic phases each of which has a size equal to or less than 80 nm, with the hard and soft magnetic phases being present in ... | 10/05/2004 |
| 6796365 | Method of making aluminum matrix composite wire Method provides ceramic fibers with a matrix that includes aluminum. ... | 09/28/2004 |
| 6793742 | Preparation of bonded rare earth magnet-forming alloy and bonded rare earth magnet composition An alloy powder for bonded rare earth magnets is prepared by melting an alloy consisting essentially of 20-30 wt % of Sm or a mixture of rare earth elements (inclusive of Y) containing at least 50 wt % of Sm, 10-45 wt % of Fe, 1-10 wt % of Cu, 0.5-5 wt % of Zr, and ... | 09/21/2004 |
| 6773517 | Rare-earth alloy, rate-earth sintered magnet, and methods of manufacturing A rare-earth alloy ingot is produced by melting an alloy composed of 20-30 wt % of a rare-earth constituent which is Sm alone or at least 50 wt % Sm in combination with at least one other rare-earth element, 10-45 wt % of Fe, 1-10 wt % of Cu and 0.5-5 wt % of Zr, wi... | 08/10/2004 |
