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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 |
| 7887270 | Apparatus for cutting an oval hole in the wall of a pipe The invention relates to an apparatus for cutting an oval hole in the wall of a pipe. The pipe secured to a baseplate (1) of the apparatus is cut for an oval hole by means of a tool (20) having its cutter head (24) rotated about its axis while i... | 02/15/2011 |
| 7887271 | Apparatus for cutting an internal bore A trans-axial cutting apparatus used for cutting an inner surface of an opening formed within an object and accessible from outside the object. The apparatus comprises an elongate portable frame. The frame supports a cutting member on the first side and a stabilizin... | 02/15/2011 |
| 7806638 | Insulated air tube for a reinstatement cutting machine A reinstatement cutting machine having an air tube formed therethrough for carrying pressurized air to drive a cutting tool. The air tube is insulated to prevent condensation within the reinstatement cutting machine due to temperature changes caused by the pressuriz... | 10/05/2010 |
| 7802949 | Tubular cutting device The casing cutter disclosed herein is useful for severing downhole tubulars and includes a body, a cutting head, cutting blades, and actuators for operating the cutting head and cutting blades. Cutting is accomplished by rotatingly actuating the cutting head with an... | 09/28/2010 |
| 7478982 | Tubular cutting device The casing cutter disclosed herein is useful for severing downhole tubulars and comprises a body, a cutting head, cutting blades, and actuators for operating the cutting head and cutting blades. Cutting is accomplished by rotatingly actuating the cutting head with a... | 01/20/2009 |
| 7422398 | Inside machining cutting tool delivery apparatus An apparatus can deliver a static cutting tool to a position located inside a workpiece to be machined. The cutting tool can be used for machining at least one surface inside of the workpiece. The cutting tool is operable in combination with an electronic controlled... | 09/09/2008 |
| 7422399 | Debeading tool for butt-welded plastic pipe A debeading tool capable of internally debeading butt-welded pipe made of PVC and similarly hard plastics has a work head that can be coupled to a distal end of a torque tube. The work head includes a motor carrying a cutter which is oriented at an angle, e.g., 12 d... | 09/09/2008 |
| 7370703 | Downhole hydraulic pipe cutter The casing cutter disclosed herein is useful for severing downhole tubulars and comprises a body, slips, a cutting head, cutting blades, and actuators for operating the cutting head and cutting blades. The casing cutter can be anchored within casing wellbore with th... | 05/13/2008 |
| 7364392 | Motor module for a reinstatement cutting machine A motor module (51) holding a plurality of motors as a unit. The motor module (51) is adapted for mounting to the main body (49) of a reinstatement cutting machine (20). The motor module (51) has a ram motor (134) and a rota... | 04/29/2008 |
| 7347652 | Method for milling grooves in bored workpieces A numerical control unit issues a sequence of instructions for causing a spindle of a cutter disk in a tool machine to perform successive straight displacements approximating a spiral of Archimedes, with a predetermined angle step from one point to the next, and iss... | 03/25/2008 |
| 7249918 | Cutting machine Cutting apparatus having a ram axis gear tube (32) equipped with internal threads engageable with external threads (48) of a main shaft (42). A tool can be fixed to the main shaft (42). The external threads (48) of the main shaft (... | 07/31/2007 |
| 7241091 | Decoration-used mold unit A decoration-used mold unit for defining a border on a work piece to facilitate cutting or milling. The mold unit includes an elongated rectangular main body formed with a first window for processing a first sink and a second window for processing a second sink. A f... | 07/10/2007 |
| 7234224 | Curved grooving of polishing pads A method is provided for forming grooves in a polishing pad useful for planarizing a substrate in a chemical mechanical planarization process. The method maintains average velocity as a function of bit diameter to enable groove formation using a rotating bit, whereb... | 06/26/2007 |
| 7231703 | Deburring method and automotive knuckle A knuckle 1 has a through hole 3 provided in a fitting hole 4 thereof. A cutting tool 9, which has a diameter being larger than that of the through hole 3 and also has a cutting part having a hemispherical leading end portion, is c... | 06/19/2007 |
| 7223054 | Spiral groove pipe joint machining assembly A spiral spline groove machine apparatus for manufacturing a sealed spiral spline pipe connection by machining spiral grooves into the bell and spigot end of a length of pipe. A rotating cutter is adapted to cut a spiral groove in the inside of the bell of the pipe ... | 05/29/2007 |
| 7192223 | Servo motor die tapping unit A servo motor driven tapping unit for in die installation has a tap holder pitch adapter assembly mounted for removal while the unit is in the die to facilitate tap and pitch adapter replacement. In one embodiment, the tap holder pitch adapter assembly extends trans... | 03/20/2007 |
| 7188674 | Downhole milling machine and method of use The present invention is directed to a method and apparatus for providing a pathway for fluid communication through a tubing-retrievable subsurface safety valve (TRSSV). The method and apparatus are designed to be deployed within a hydrocarbon wellbore after the TRS... | 03/13/2007 |
| 7179028 | Device for fixation of a portable drilling or milling machine on a template for making holes in a workpiece, and an orbital machining apparatus for producing such holes A device for the temporary fixation of a portable cutting machine to a template for making holes and/or recesses in a workpiece including a guide sleeve and a tensioning unit. The guide sleeve includes a tubular hub with an outer diameter corresponding to an inner d... | 02/20/2007 |
| 7104559 | Deburring method and automotive knuckle A knuckle 1 has a through hole 3 provided in a fitting hole 4 thereof. A cutting tool 9, which has a diameter being larger than that of the through hole 3 and also has a cutting part having a hemispherical leading end portion, is c... | 09/12/2006 |
| 7096563 | Machining differential housings A grab picks up a hollow workpiece and displaces it to a machining station where, while the workpiece is held in the grab, a tool is engaged from outside with a first surface of the workpiece to finish the first surface. Then the workpiece is reoriented by the grab ... | 08/29/2006 |
| 7055239 | Index cutter The invention relates to a device for producing a book page index for facilitating the search for certain sections in a book. The device includes a bearing surface (1) on which a pile (3) of pages is placed. According to the invention, an index notch o... | 06/06/2006 |
| 7048482 | Boring head with tool advance independent of rotation The transmission of the rotational movement to the driving pinion of the carriage is provided by: a first gear train with a cage mounted so that it can rotate about the axial shaft and the crown wheel of which meshes with a pinion ... | 05/23/2006 |
| 7029212 | Corner grout cutter guide An apparatus and method are provided for guiding the bit of a rotary hand tool along a corner of a work surface formed by two or more abutting surfaces, through use of a corner cutting apparatus which includes a corner cutting guide having a housing, defining an axi... | 04/18/2006 |
| 6902361 | Fixation device for a portable orbital drilling unit A fixation device for positioning a rotating machine tool onto a template, the template having at least one hole and at least one locating pin. The fixation device includes a housing with a housing tool end and a housing template end, a seat located on the housing t... | 06/07/2005 |
| 6902360 | Method of cutting a hole in a composite material workpiece A hole of a hole size is cut in a composite material workpiece by selecting a milling cutter having an effective cutter size less than the hole size, mounting the composite material workpiece in operable relation to the milling cutter, rotating the milling cutter ab... | 06/07/2005 |
| 6872036 | Hand tool apparatus for orbital drilling A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The tool axis passes through a predetermined point on a surface of the ... | 03/29/2005 |
| 6869259 | Milling method A milling method is provided for the manufacture of components composed of difficult-to-cut materials for turbomachines, aircraft and spacecraft by producing recesses with one or more side walls. An end milling cutter which cuts at the circumference and at the tip a... | 03/22/2005 |
| 6851901 | Tool, a machine tool, and a method of cutting The invention refers to a tool (1), a machine tool, and a method for cutting machining of a workpiece. The tool includes a mounting portion (5) for mounting of the tool in the machine tool, a tool shaft (7), which has a first inner end (7... | 02/08/2005 |
| 6824451 | Process for the abrasive machining of surfaces, in particular of semiconductor wafers A process is described for the chemical mechanical machining of semiconductor wafers. A plurality of surfaces are successively subjected to a polishing step, in which they are brought into contact with a polishing device. The polishing device contains a polishing-gr... | 11/30/2004 |
| 6821063 | Tool, a machine, and a method for orbitally drilling an orifice The tool comprises firstly a cutter support for being driven in rotation about a first axis of rotation that is to coincide with the axis of the orifice, and a cutter rotatably mounted on the cutter support to rotate about a second axis of rotation parallel to the f... | 11/23/2004 |
| 6773211 | Orbital drilling cutting tool A method and cutting tool for producing a hole or a recess in a workpiece which includes flat or curved sheets of fiber-reinforced composite material, metal or combinations thereof. The cutting tool has a shaft with a longitudinal axis and an axial cutting surface a... | 08/10/2004 |
| 6761516 | Method for generating holes in laminate materials A method of generating holes in fiber-reinforced metal laminate material is provided, including creating a first bore 18 by passing a cutting element 16 from a first side 24 of the fiber-reinforced metal laminate material 10 to a second s... | 07/13/2004 |
| 6758642 | Orbital hand tool apparatus for drilling A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The apparatus includes a housing, a spindle unit in the housing for rot... | 07/06/2004 |
| 6758641 | Method for manufacturing a ratchet type ring spanner having a larger cavity for receiving a larger pawl A method for forming a cavity in a handle of a ratchet type ring spanner includes providing a ring spanner having a handle and a head extending from the handle, forming a cutout on a face of the head, the cutout being communicated with a hole of the head, placing a ... | 07/06/2004 |
| 6722826 | Internal cavity cutting tool with stable support An internal cavity cutting tool assembly includes a tool body, a tool hanger, and a bearing assembly. The tool hanger body has a through-bore that is adapted to receive the bearing assembly. The tool body has first and second body portions, each having an arbor bore... | 04/20/2004 |
| 6719505 | Orbital hand tool apparatus for drilling A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The apparatus includes a housing, a spindle unit in the housing for rot... | 04/13/2004 |
| 6694213 | Method and a device for vibration control A device for vibration control in a machine for internal turning uses a cutting tool supported by a tool holder, and has a control unit, a vibration sensor connectible to the control unit, and an actuator connectible to the control unit. The actuator has ... | 02/17/2004 |
| 6599067 | Apparatus for removing pressure tubes An apparatus and method for removing a pressure tube from a nuclear reactor end fitting. A series of grooves are milled in the inside surface of the pressure tube in the area of the roll fitting by means of an elongated milling tool inserted in the pressu... | 07/29/2003 |
| 6546992 | Method and apparatus for the working of cavity walls of continuous casting molds For the working of walls which bound the cavity of a continuous casting mold, a machine is used which incorporates machining and/or polishing tools. The machine consists of a machine tool table with an arm introducible into the cavity for the supporting o... | 04/15/2003 |
| 6488454 | Method for machining shoe pocket for piston in variable displacement swash plate type compressor A method for machining a pair of shoe pockets for piston in a swash plate type compressor is disclosed. In this method, the shoe pockets are respectively formed on the opposed walls of the slot in the piston of the compressor while conforming to a single ... | 12/03/2002 |
