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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 |
| 7418848 | High-performance and high-efficiency rolled fin tube and forming disk therefor Disclosed herein is a forming disk for fabricating a fin tube. The forming disk comprises a substantially circular plate having a shaft connection hole formed adjacent a center thereof for receiving a shaft of a form rolling machine. A plurality of projections havin... | 09/02/2008 |
| 7021106 | Apparatus and method for forming internally ribbed or rifled tubes A plug tool for forming internally helically ribbed tube comprises a plug body for being rotatably disposed in a die orifice of a drawing die. The plug body has a central longitudinal axis, a plurality of external grooves equally spaced about the axis and a pluralit... | 04/04/2006 |
| 7007533 | Rotating head The invention relates to a device called a rotating head which is used to deform the edge of the points or nibs of ball-point pens. The inventive device has two rotating rolls which are installed so that they can pivot freely in the rotating head. The rotating rolls... | 03/07/2006 |
| 6913074 | Method of making an internal grooved tube A method of manufacturing an internal grooved tube according to the present invention includes the steps of inserting a grooved plug into a blank tube rotatably, and then pressing the blank tube against the outside surface of the grooved tube with several balls revo... | 07/05/2005 |
| 6912777 | Method of manufacturing a high-performance, water blocking coaxial cable A helical corrugated coaxial cable possesses low cost of manufacture comparable to that of braided shield coaxial cable, electrical performance comparable to solid tubular shielded cable, flexibility of helical and annular corrugated cable, and fluid blockage compar... | 07/05/2005 |
| 6870600 | Vibration-attenuation devices and methods using pressurized bellows exhibiting substantially zero lateral stiffness Vibration-attenuation devices and methods are disclosed that utilize a bellows situated between a first and second mass and pressurized with a fluid to an internal fluid pressure substantially equal to a zero-stiffness pressure such that the bellows exhibits a subst... | 03/22/2005 |
| 6826940 | Method of metal and alloy billet treatment This method refers to a method by which the physical and mechanical properties intrinsic to a fine-grain structure may be formed in metal billets using pressure treatment. The method is designed to treat rods, bars and other particularly long billets. This method is... | 12/07/2004 |
| 6753944 | Technique for characterizing the performance of an object positioning apparatus In one embodiment, an object positioning apparatus is characterized by receiving sensor data from a sensor, processing the sensor data to compensate for sensor drift, and analyzing the resulting processed sensor data to determine a characteristic of the apparatus. C... | 06/22/2004 |
| 6666059 | Method and device for rotating and machining bar material A method and device for rotating and machining bar material which comprises holding a disc-shaped rotor rotatably around a horizontal axis, providing a pair of rails which are radially opposite to each other and have chord-shaped sliding surfaces in paral... | 12/23/2003 |
| 5327756 | Method and apparatus for forming spiral grooves internally in metal tubing A spinner means and method for forming spiral grooves on the interior surface of tubing including a groove forming means having a plurality of external spiral teeth which contact the tubing forming the grooves wherein said spiral teeth extend in the forwa... | 07/12/1994 |
| 5325693 | Apparatus for the continuous production of helical or annular corrugated metal tubes In a process for the continuous production of helical or annular corrugated, thin-walled, in particular longitudinally welded metal tubes, in which a freely rotating roller ring in a turntable corrugation head, which is eccentric with respect to the smoot... | 07/05/1994 |
| 4951493 | Method and apparatus for making a spiral pipe In fabricating a spiral pipe, a pipe section is pressed in the direction of the pipe axis over an expansion mandrel in a press. The expansion mandrel is spirally curved at least in one end region and provides fast and precise shaping of spiral of any pitc... | 08/28/1990 |
| 4947668 | Rolling milling tool A rolling milling tool is constructed so that the roller, in the form of a sphere, or cylinder or cone, is supported in a hydrostatic bearing to avoid counter rollers, thereby reducing the size of such tools. The roller is held in a bearing socket or guid... | 08/14/1990 |
| 4947669 | Apparatus for providing tubing with at least one internal spinal fin Multi-stage ball bearing assembly mounted internally of a floating plug or the forward end of a mandrel and including a plurality of axially aligned ball bearings for enabling rotation of a spinner for forming at least two internal spiral grooves in the i... | 08/14/1990 |
| 4942751 | Process and apparatus for forming internally enhanced tubing Process of providing the internal portion of tubing with at least one spiral fin, comprising the steps of: providing a first spinner having at least two first external spiral ridges displaced a predetermined distance angularly with respect to each other a... | 07/24/1990 |
| 4870846 | Method and apparatus for embossing the inside surface of a cup-shaped article A draw/emboss work station (600) of the invention includes emboss punch (594) moveable by a hydraulic system under control of a press slide (34). An emboss punch head (632) is moved downwardly into a cup-shaped article (626) to bring the article into a dr... | 10/03/1989 |
| 4785648 | Method and apparatus for embossing the inside surface of a cup-shaped article A draw/emboss work station (18) of the invention includes emboss punch apparatus (86) moveable by a lever (340) and a hydraulic system under control of a press slide (34). Pressure sleeve apparatus (92) is slideable with respect to the emboss punch appara... | 11/22/1988 |
| 4702096 | Apparatus and process for providing tubing with at least one internal spiral groove or fin Apparatus and process for providing the internal portion of tubing with a spiral groove or fin, or preferably a plurality of internal spiral fins, and which apparatus and process include a rotatably mounted spinner provided with one or more external ridge... | 10/27/1987 |
| 4663954 | Method and apparatus for the corrugating of metal tubes In a method for the corrugating of metal tubes in which a smooth tube, preferably a longitudinally seam welded smooth tube is passed continuously through a bushing and acted on immediately behind the bushing by a corrugating tool, in which tool a corrugat... | 05/12/1987 |
| 4567744 | Method and apparatus for forming long cylindrical metal products An apparatus and method for forming a cylindrical metal product. A housing having a housing axis therethrough aligned with a mill center line has a gear disposed therein having both sides rotatably supported in the housing for rotation about the housing a... | 02/04/1986 |
| 4514997 | Tube corrugating die A novel metal tube corrugating die comprises a hollow die body with a plurality of die teeth in an internal cavity. The die teeth are flat with a curved edge extending diagonally into the die cavity providing a die corrugating tooth surface extending inwa... | 05/07/1985 |
| 4435968 | Apparatus for corrugating pipes An apparatus for the corrugation of pipes of plastically deformable material, particularly of cable sheathings of metal, through which the pipe is continuously passed, comprising a corrugator rolling bushing having an inside surface with a deformation rib... | 03/13/1984 |
| 4406142 | Annular corrugator Apparatus for producing annular corrugations in the wall of thin metal tubing in the manufacture of corrugated metal hose includes a plurality of dies. Each die comprises a helical rib of greater than 360° extent formed on the inner rim of an annular rin... | 09/27/1983 |
| 4377083 | Tube corrugating apparatus and method A novel corrugating die for metal tubing is disclosed comprising a hollow die body having one or more die teeth positioned in the internal cavity thereof. The individual die teeth have a flat shape with a curved surface and extend diagonally into the die ... | 03/22/1983 |
| 4339936 | Annular corrugator Apparatus for producing annular corrugations in the wall of thin metal tubing in the manufacture of corrugated metal hose includes a plurality of dies. Each die comprises a helical rib of greater than 360° extent formed on the inner rim of an annular rin... | 07/20/1982 |
| 4215559 | Corrugation apparatus A corrugating ring for corrugating metal tubing having a helical corrugating rib which increases in height from the beginning thereof to a maximum height to increase corrugation depth, with the maximum height extending over at least 360°. The corrugating... | 08/05/1980 |
| 4196608 | Method of and apparatus for forming projections on tubular members or the like A method of and apparatus for forming projections on tubular members or the like in which the tube forming apparatus rotates with respect to the tubular article being formed. A mandrel is provided with camming wedge members which actuate spherical forming... | 04/08/1980 |
| 4085607 | Helically corrugating tubes A corrugation head includes a holder for a two segment, helical corrugating edge with adjustable pitch of the helix as well as of working spiral. The edge extends from two annular segments which have grooves and are held for bending. One of the segments c... | 04/25/1978 |
| 3998082 | Device for the manufacture of helically corrugated tubes A corrugating tool in the form of a segment, having a helically shaped forming edge, whereby the tool is in contact with less than the entire circumference of a tube to be corrugated. The tool is pivotably mounted to the corrugating head to permit adjustm... | 12/21/1976 |
| 3939718 | Mechanism to convert rotary motion to transverse motion Improved mechanism to convert rotary motion to transverse motion comprises a disc journalled to rotate about its axis and provided eccentrically with a journal, a trunnion provided with a journal, a trunnionway supporting the trunnion for transverse movem... | 02/24/1976 |
