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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 |
| 8109807 | Method and apparatus for cleaning a jet engine An apparatus for cleaning a jet engine includes a supply device configured to make cleaning medium available, a nozzle device configured to introduce the cleaning medium into the jet engine, and a line connection between the supply device and the nozzle device. The ... | 02/07/2012 |
| 8100741 | Vibration device for a super finishing apparatus and an attachment tool comprising the vibration device A vibration device for a super finishing apparatus for super finishing a mechanical object is disclosed. It comprises at least two sliding means (1, 3), each comprising a guide (5, 7) and an element (9, 11) provided with a through hole (13 | 01/24/2012 |
| 8096853 | Pre- and post-process bore gaging using a honing feed system equipped with feed force sensing The method of the invention provides a capability for accurately and uniformly determining the sizes of bores of workpieces, both pre- and post-process, to improve process control, particularly compensation for tool or stone wear and other factors, and process data ... | 01/17/2012 |
| 8066548 | Multi-axes contouring machine and method of use A multi-axes contouring machine for contouring a workpiece within a cavity of a main frame by moving a machining part along one or more axes simultaneously to the movement of the workpiece along one or more different axes. In an exemplary embodiment, the machining p... | 11/29/2011 |
| 8047897 | Substrate flat grinding device To provide a high-rigidity flat grinding device, a substrate flat grinding device has three fastening plate lifting-and-lowering mechanisms that have kinematic couplings and a cylinder rod that move the fastening plate upward or downward. Being a high-rigidity grind... | 11/01/2011 |
| 8029335 | Wafer processing method In a wafer processing method, rough grinding using a first grinding stone is divided into first and second steps. In the first step, a wafer is processed into a concave shape at a first transfer rate with a reinforcing rib area slightly left. Thereafter, as primary ... | 10/04/2011 |
| 8029334 | Device for modifying the position of the segments in the event of the inclination of a segmented grinding pad A device is described comprising: a segmented sanding pad having a plurality of segments, each segment having a longitudinal axis and corresponding to a respective contact roller having a longitudinal axis, wherein, when the sanding pad is moved obliquely, the segme... | 10/04/2011 |
| 7997954 | Centerless grinding method To provide a centerless grinding method which facilitates a tooling change and enables automation. A blade 11 is disposed slidable along a first straight line 101, i.e., Y axis, a grinding wheel 7 is disposed slidable along a second straight lin... | 08/16/2011 |
| 7997955 | Method and apparatus for circumferential interior treatment of pipe elbows A method for the circumferential interior treatment of pipe elbows, including a step of positioning a working member within a pipe elbow and moving the working member along a portion of a length of the pipe elbow between selected working positions, while concurrentl... | 08/16/2011 |
| 7985122 | Method of polishing a layer using a polishing pad A tool for forming a desired pattern on a polishing pad establishes a vibration that is coupled to the polishing pad. The vibration removes small portions of the polishing pad according to the desired pattern. The polishing pad is then used in a chemical mechanical ... | 07/26/2011 |
| 7976359 | Polishing machine comprising a work chamber and a platform A polishing machine for optical elements, comprising:—a spindle arranged to rotationally drive an optical element;—a polishing tool mobile relative to the spindle; wherein the polishing machine further comprises a platform mounted on top of a work chamber, the w... | 07/12/2011 |
| 7972197 | Grinding machine for grinding of a gear The invention relates to a grinding machine for grinding of a gear or of a gear-like workpiece, which has a grinding worm (1) with a tooth-shaped profile (2), which consists at least partly from a dressable abrasive material and which is arranged rotat... | 07/05/2011 |
| 7967662 | Apparatus for lapping sliders using axially deformable member An apparatus for lapping sliders comprises a rotatable lapping plate for lapping elements that are to be formed into sliders, a pushing force adjusting member that has an internal space therein and that extends vertically along an lapping plate axis that is perpendi... | 06/28/2011 |
| 7942725 | Polishing apparatus A polishing apparatus has a top ring configured to hold a semiconductor wafer on a substrate holding surface, and a pushser configured to deliver the semiconductor wafer to the top ring and receive the semiconductor wafer from the top ring. The pushser includes a pu... | 05/17/2011 |
| 7938715 | Polishing machine comprising sliding means transverse to the front face A polishing machine for optical elements includes: —a spindle arranged to rotationally drive an optical element; —a polishing tool mobile relative to the spindle; —a front face provided with a door enabling the access to the spindle and to the polishing tool. ... | 05/10/2011 |
| 7905765 | Parallel mechanism, calibration method for use in the same, and machine tool including the same A parallel mechanism adapted to control at least one of pivotal movement and linear movement of a link head having three degrees of freedom. The parallel mechanism has four actuators for driving the link head, and link groups which have four links connected to the f... | 03/15/2011 |
| 7901268 | Method for grinding journal section of workpiece For grinding one of axially spaced journal sections of a workpiece each having a cylindrical surface and a pair of shoulder surfaces extending radially outward from the opposite end portions of the cylindrical surface, a rotating grinding wheel is advanced to grind ... | 03/08/2011 |
| 7901270 | Method and apparatus for precision polishing of optical components A method of polishing objects using an apparatus comprised of a rotary positioning device comprising a turret; a base mounted on the turret; a drive wheel connected to a rotatable shaft, the drive wheel having a perimeter, and the rotatable shaft disposed in a housi... | 03/08/2011 |
| 7901269 | Grinding apparatus for a pin for use in power transmission chain and manufacture method of a pin for use in power transmission chain A disc-like grinding wheel 5 is formed with a circumferential groove 5a, the opposite walls of which define grinding surfaces 5b. A rotated carrier 3 brings a load pin 55 into rotary movement relative to the grinding ... | 03/08/2011 |
| 7887393 | Moving mechanism for blast gun for blasting machine Provided is a moving mechanism for a blast gun which can easily move a blast gun accommodated in a blasting chamber and which can easily perform other operations from the outside thereof without leaking dust. A plurality of arm members (first input arm 21, se... | 02/15/2011 |
| 7874895 | Benchtop end mill grinding center The end mill grinding device of the present invention includes a tool spindle assembly, which enables multi-axis positioning of a rotating cutting tool being sharpened, and a motor tower, which enables multi-axis positioning of a grinding or cutting wheel for sharpe... | 01/25/2011 |
| 7867059 | Semiconductor wafer, apparatus and process for producing the semiconductor wafer The invention relates to a process for producing a semiconductor wafer by double-side grinding of the semiconductor wafer, in which the semiconductor wafer is simultaneously ground on both sides, first by rough-grinding and then by finish-grinding, using a grinding ... | 01/11/2011 |
| 7862403 | Surface grinder for ball of ball valve A surface grinder for a ball of a ball valve comprises a ball positioning device at an X axis for driving the ball to rotate about the X axis and a grinding device at a Z axis for driving a grindstone set to rotate about the Z axis, wherein the grindstone set grinds... | 01/04/2011 |
| 7846010 | Notched grind wheel and method to manufacture a rotor blade retention slot A method of grinding a slot base of a blade retention slot within a rotor disk includes rotationally aligning a grind wheel about an axis of rotation to align a first notch with a first and second opposed lobe of the blade retention slot of the rotor disk; transitin... | 12/07/2010 |
| 7837535 | Superfinishing stone and superfinishing process using the same A superfinishing stone 2 is slid on a rotating subject surface 7 as pressed against the subject surface 7 and is held in contact against the subject surface 7 as vibrated thereon in a different direction from the sliding direction. The su... | 11/23/2010 |
| 7833086 | Method and apparatus for grinding the blade tips of a rotor wheel in BLISK design Tip grinding of BLISK blades is performed in a static state of an incrementally rotatable BLISK, with a rotational axis (9) of a grinding wheel (4), which is traversable along an upper edge of the blade, being aligned diagonally to an orientation of th... | 11/16/2010 |
| 7789731 | Oscillating grinding machine The present invention relates particularly to an oscillating grinding machine. The grinding machine comprises a driving motor (3) surrounded by a body (3), and a drive shaft (4) cooperating with the driving motor. The drive shaft comprises a gri... | 09/07/2010 |
| 7785173 | Superfinishing machine and method A superfinishing system and method, wherein an abrasive is employed to process a workpiece, and wherein the system simultaneously mounts a plurality of workpieces in a diagonal turret, or mounts a plurality of different types of workpieces in a plurality of chucks f... | 08/31/2010 |
| 7758402 | Wafer grinding method A recessed portion is formed in an area, of a rear surface of a wafer, corresponding to a device formation area is formed by a rough grinding wheel of a rough grinding unit and an annular protruding portion is concurrently formed around the recessed portion. The inn... | 07/20/2010 |
| 7744444 | Centerless feed-through super-finishing device having a lapping system containing a freely-disposed abrasive A centerless feed-through super-finishing device including: first and second feed-through rollers having first and second longitudinal outer surfaces; a metallic part having a generally cylindrical section, disposed between the outer surfaces, wherein a longitudinal... | 06/29/2010 |
| 7731567 | Semiconductor wafer processing method In a semiconductor wafer processing method of forming a semiconductor wafer having a desired thickness by grinding a rear surface of the semiconductor wafer having a plurality of devices formed on a front surface thereof, the rear surface of the semiconductor wafer ... | 06/08/2010 |
| 7727051 | Servo stroking apparatus and system A servo stroking apparatus and system (10) for honing wherein the cam stroking motion follows a cam profile which produces a finite jerk profile for reducing machine vibration and optimizing one or more honing parameters. The cam profile can be selected for e... | 06/01/2010 |
| 7727050 | Vibrating device The object of the present invention is to enable efficient vibration processing by applying a sufficient displacement amount and response speed to an object to be vibrated. In grinding of an outer surface of a workpiece W, first and second supporting members are pro... | 06/01/2010 |
| 7708619 | Method for grinding complex shapes A method of producing a complex shape in a workpiece includes the steps of: i) grinding a workpiece at a maximum specific cutting energy of about 10 Hp/in3·min with at least one bonded abrasive tool, thereby forming a slot in the workpiece; and ii) grind... | 05/04/2010 |
| 7682223 | Gear manufacturing machine and process for the operation of such a gear manufacturing machine The invention concerns a device for the automatic loading of workpieces into a gear manufacturing machine, in particular a hard state finishing machine, by means of a swivel device arranged on the machine, where simultaneous with the machining process of a work piec... | 03/23/2010 |
| 7682222 | Variable rate method of machining gears A method of machining gears or other toothed articles wherein the workpiece feed rate and/or the tool shifting is varied so as to produce an irregular surface pattern on tooth surfaces with a resulting reduction in mesh noise. The method is particularly applicable t... | 03/23/2010 |
| 7677955 | Grinding method for wafer A grinding method for a wafer having a plurality of devices on the front side, wherein the back side of the wafer is ground by a grinding wheel to suppress the motion of heavy metal in the wafer by a gettering effect and also to maintain the die strength of each dev... | 03/16/2010 |
| 7666065 | Shaping apparatus A shaping apparatus for shaping a flotation core includes a worktable. At least one support is adjustably mounted on the worktable to be adjustable at least along a z-axis and configured to support the core. At least one engagement mechanism is mounted on the workta... | 02/23/2010 |
| 7662025 | Polishing apparatus including separate retainer rings A polishing apparatus includes a polishing pad for polishing a wafer and a polishing head for holding the wafer. The polishing head includes a retainer ring, a membrane sheet, and a head body. The retainer ring retains the wafer in a horizontal direction. The membra... | 02/16/2010 |
| 7662024 | Method and apparatus for precision polishing of optical components A polishing apparatus comprising a base for affixing structures thereto, a drive wheel, a polishing wheel assembly, a polishing belt, and at least one routing wheel engaged with the polishing belt. The polishing wheel assembly includes an elongated arm including a d... | 02/16/2010 |
