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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 |
| 6899139 | Tube for pumping a space between two tiles, especially for a plasma display Tube for pumping a space between two tiles, comprising a metal end-piece 9 and a glass tube 25 bonded together via a glass-to-metal seal 26; the metal end-piece 9 has shoulder means 3. Such a tube is especially intended to ... | 05/31/2005 |
| 6641175 | Ramp-lock fitting device A ramp-lock quick-connect fitting is adapted to be placed between conventional type fittings on pipes and tubes, such as quartz pipes and synthetic resin tubes used in chemical processing systems for semiconductor device fabrication. The quick-connect fit... | 11/04/2003 |
| 6499768 | Joint assembly for connecting two tubes A joint assembly for connecting two ceramic material tubes has a cup-ball interface. One of the tubes has at a first end a cup shaped member, and the other tube has at a first end a ball shaped member adapted to be received in the cup shaped member. The b... | 12/31/2002 |
| 6422607 | Ramp-lock fitting device A ramp-lock quick-connect fitting is adapted to be placed between conventional type fittings on pipes and tubes, such as quartz pipes and synthetic resin tubes used in chemical processing systems for semiconductor device fabrication. The quick-connect fit... | 07/23/2002 |
| 6412821 | Device for the vacuum-tight connecting of two bodies of different materials A device for connecting two bodies, especially a quartz body and a metallic body, which assures with few and simply formed components a high sealing ability at high temperature differences and at very low pressures and makes possible an easy assembly and ... | 07/02/2002 |
| 6328347 | Uniform axial loading ground glass joint clamp A system for coupling a ball fitting connected to a first tubing to a socket fitting connected to a second tubing. A first coupling forms an aperture having a diameter that is larger than the diameter of the ball fitting, and receives the ball fitting. Th... | 12/11/2001 |
| 6299215 | Coupling fitting A ramp-lock quick-connect fitting is adapted to be placed between conventional type fittings on pipes and tubes, such as quartz pipes and synthetic resin tubes used in chemical processing systems for semiconductor device fabrication. The quick-connect fit... | 10/09/2001 |
| 6250688 | Ramp-lock lifting device A ramp-lock quick-connect fitting is adapted to be placed between conventional type fittings on pipes and tubes, such as quartz pipes and synthetic resin tubes used in chemical processing systems for semiconductor device fabrication. The quick-connect fit... | 06/26/2001 |
| 6113154 | Immersion heat exchangers A pressurized fluid circulating assembly includes a body made of non-metallic, brittle material. At least two apertures formed by internal threads are disposed in the body. First coupling members each include a first externally threaded male portion that ... | 09/05/2000 |
| 6056331 | Zero dead volume tube to surface seal A method and apparatus for connecting a tube to a surface that creates a dead volume seal. The apparatus is composed of three components, a body, a ferrule, and a threaded fitting. The ferrule is compressed onto a tube and a seal is formed between the tub... | 05/02/2000 |
| 6022052 | Quartz tank for wet semiconductor wafer processing A quartz tank for wet semiconductor wafer processing includes one or more ports extending through the tank for the exchange of fluids with the tank. The openings may be aligned with a T-shaped quartz stem having an enlarged end retained on the interior si... | 02/08/2000 |
| 5890745 | Micromachined fluidic coupler A method for producing a microfluidic coupler includes the step of producing a first mask on a top surface of a wafer. The first mask defines an insertion channel pattern selected to correspond to the cross sectional shape of a capillary. The wafer is etc... | 04/06/1999 |
| 5879766 | Ceramic joint body and process for manufacturing the same A joint body containing a ceramic member composed of a main body and a disclike projection projected therefrom and a ceramic cylindrical body. The disclike projection is inserted inside the cylindrical body, and a relative density of the disclike projecti... | 03/09/1999 |
| 5868437 | Composite pipe structure A pipeline is made by joining a number of pipe sections, each of which includes an inner pipe structure and an outer pipe structure. The outer pipe structure, which may be zinc plated or encased in an protective elastomeric material, includes mating coupl... | 02/09/1999 |
| 5810399 | Clamp for ground glass joint A clamp for securing ground-glass joints between first and second tubes, the first tube having a shoulder located inward of its end, intermediate the ground and unground portions thereof, adjacent the ground joint, and the second tube having an enlarged l... | 09/22/1998 |
| 5744100 | Connectorized capillaries for use with separation instrumentation components A connectorized capillary and in-line flow cell system which greatly expedites the construction of capillary zone electrophoresis (CZE) and other separation instrumentation. A capillary is mounted within a cavity formed in a body, and a mechanical fastene... | 04/28/1998 |
| 5646048 | Microcolumnar analytical apparatus with microcolumnar flow gating interface and method of using the apparatus A microcolumnar analytical apparatus having a flow gating interface system for interfacing a first microcolumn and a second microcolumn is provided. The apparatus includes a flow gating interface, a first fluid conduit (e.g. a liquid chromatograph microco... | 07/08/1997 |
| 5595406 | Capillary tubing connector A connector for connecting a first fluid-bearing conduit to a second fluid-bearing conduit, thereby providing a substantially leak-free fluid communication between the first and second fluid-bearing conduits. The second fluid-bearing conduit is located in... | 01/21/1997 |
| 5540464 | Capillary connector A capillary column connector assembly includes a pair of body members fabricated from a resilient, inert ceramic having high compressive strength. Each body member has an inwardly tapering longitudinal throughbore within which the end of a capillary colum... | 07/30/1996 |
| 5516159 | Quartz pipe joint A quartz pipe joint of the present invention can be used in a connection of, for example, a quartz pipe and a quartz pipe, or a quartz pipe 7 and a synthetic resin tube. The quartz pipe joint A has a joint body having a tapered pressing face a cylindrical... | 05/14/1996 |
| 5494641 | Connectorized capillaries for use with separation instrumentation components A connectorized capillary and in-line flow cell system which greatly expedites the construction of capillary zone electrophoresis (CZE) and other separation instrumentation. A capillary is mounted within a cavity formed in a body, and a mechanical fastene... | 02/27/1996 |
| 5487569 | Connector for three or more capillary tubes An easily-assembled, heat resistant connector for releasably joining end portions of three capillary tubes for use in chromatography without interrupting flow or interfering with chromatographic results comprises a main body, and a glass insert which has ... | 01/30/1996 |
| 5454677 | High temperature ceramic nut High temperature ceramic nut of aluminum oxide for use in coupling a flared tube to a flare fitting.... | 10/03/1995 |
| 5433486 | Pipe connection for flue-gas pipes The invention refers to a process and an arrangement to connect and seal tubes (2, 4) made of glass, metal or ceramic materials, that are joined to form flue-gas pipes. The sealing system according to the invention is distinguished by the fact that it can... | 07/18/1995 |
| 5421547 | Inline valve An inline valve includes a glass body having an upwardly open bore with a tapered seating surface, and colinear inlet and outlet ports having passages intersecting the seating surface. Fluid flow between the ports is regulated by a valve member whose stem... | 06/06/1995 |
| 5359148 | Heat-treating apparatus A heat-treating apparatus has a reaction vessel being adapted for performing a heat process for a workpiece to be treated and having a joint pipe portion and an outer pipe jointed to the joint pipe portion and of the reaction vessel. A sealing member is d... | 10/25/1994 |
| 5332271 | High temperature ceramic nut High temperature ceramic nut of aluminum oxide for use in coupling a flared tube to a flare fitting.... | 07/26/1994 |
| 5301984 | Wear resistant pipe elbow A wear resistant pipe elbow is provided having a seamless inner liner with an upstream beveled end directing fluid flow away from the interior surface of the pipe elbow, thereby protecting the interior surface of the pipe elbow from abrasive particles con... | 04/12/1994 |
| 5288113 | Connector for capillary tubes having a tapered inner bore An easily-assembled, heat-resistant connector for releasably joining end portions of two capillary tubes in end-to-end fashion for use in chromatography without interrupting fluid flow or interfering with chromatographic results, comprises a cylindrical s... | 02/22/1994 |
| 5265918 | High pressure ceramic joint Many recuperators have components which react to corrosive gases and are used in applications where the donor fluid includes highly corrosive gases. These recuperators have suffered reduced life, increased service or maintenance, and resulted in increased... | 11/30/1993 |
| 5262203 | Methods of producing ceramic and ceramic composite bodies There is disclosed methods for producing self-supporting ceramic matrix and ceramic matrix composite bodies by batch, semi-continuous, and continuous processes utilizing the directed oxidation of a molten parent metal with an oxidant to form an oxidation ... | 11/16/1993 |
| 5218875 | Combination glass/plastic pipet tip assembly The assembly tip includes a nozzle which has a cylindrical glass body with a tapered end portion. The non-tapered end of the nozzle is adapted to press fit into one end of a polypropylene collar. The collar has an internal lip, spaced from the end, which ... | 06/15/1993 |
| 5209525 | Bonded ceramic structure A bonded ceramic structure is fabricated by inserting a plurality of ceramic tubular members respectively in holes formed in a perforated ceramic plate member and bonding the same to the perforated ceramic plate. A clearance is formed between the outer ci... | 05/11/1993 |
| 5139288 | Coupling device for providing electrical and thermal insulation under high pressure, cryogenic conditions A coupling device (10) provides sealing members (24), (26), preferably Indium wire O-rings (72), (74), suitable for sealing engagement with an insulating member (28) under cryogenic, high-pressure conditions. Coupling device (10) is designed to couple a f... | 08/18/1992 |
| 5137553 | Molecular jet separator A molecular jet separator includes a body which defines an evacuation chamber. A bore in the body traverses the chamber so that the bore has two segments on opposite sides of the chamber. Respective tubes are seated in these bore segments, with their oppo... | 08/11/1992 |
| 5133577 | Refractory pipeline with gas-tight joint A refractory pipeline having ceramic pipe sections with joints therebetween located at areas where in which there are the greatest temperature differences in the pipeline. Adjacent pipe sections are connected together by shoulders at the ends of each such... | 07/28/1992 |
| 5087422 | Wickbold combustion apparatus and kit for this apparatus The kit includes a U-shaped cooling part containing a coil condenser, various combustion chambers with or without water cooling, burners, sample containers, and separating receivers. Almost all of the parts are made of quartz. The parts are assembled by g... | 02/11/1992 |
| 5063861 | Ceramic fiber furnace An excellent ceramic fiber furnace is provided which prevents formation or peeling-off of minute ceramic fibers from a ceramic fiber board of the furnace caused by elevation or lowering of the furnace temperature. As a result, firing methods of using a mu... | 11/12/1991 |
| 5052224 | Shielded sight gauge for storage tanks A vertically mountable sight gauge is comprised of one or more serially connectable sections for visually determining the level or the volume, or both, of liquid stored in a container. Each section has an upper and lower housing. Each housing has a passag... | 10/01/1991 |
| 4981040 | Sight flow indication apparatus with multi-sealing protective arrangements A sight flow indication apparatus with multi-sealing protective arrangements includes: an upper and a lower flange coupling member, each member having a stuffing box formed therein; a first and a second gland member each having a gland pipe portion formed... | 01/01/1991 |
