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| Number | Title | Issue Date |
| 8122750 | Cable hanger production system and production method A cable hanger which can alternately and continuously form a Z-winding spiral and an S-winding spiral using a hanger wire. A hanger wire is supplied from one end of a housing and sent out from the other end thereof. A plurality of spiral forming dice are accommodate... | 02/28/2012 |
| 8099991 | Device and method for molding bistable magnetic alloy wire Taught herein is a method for molding a bistable magnetic alloy wire, comprising: processing an alloy wire by heat treatment; and processing the alloy wire by cold treatment of mechanical twisting, the mechanical twisting being a repeated twisting in a continuous st... | 01/24/2012 |
| 7637136 | Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method A method of working metal in which the microstructure of metal body is rendered fine to thereby enhance the strength, ductility or homogeneity thereof; a metal body obtained by the metal working method; and a metal-containing ceramic body obtained by the metal worki... | 12/29/2009 |
| 7434437 | Method of making a metallic thin wire for a medical tool In a method of making a metallic thin wire 1, one single metallic thin wire 2 is prepared to have a predetermined length with a middle portion of the one single metallic thin wire 2 as a fixed portion. Front and rear half portions of the one sin... | 10/14/2008 |
| 7412993 | Expandable stent A medical apparatus is fabricated by providing a coil that has a plurality of primary loops along a longitudinal direction, and for each of one or more of the primary loops, forming one or more secondary loops on the primary loop. ... | 08/19/2008 |
| 7332866 | Arc tube and low-pressure mercury lamp that can be reduced in size An arc tube includes an arc tube body and a pair of electrodes. The arc tube body is formed from a glass tube which is double-spirally wound from a middle portion to both ends around a spiral axis. The pair of electrodes are sealed at both ends of the arc tube body.... | 02/19/2008 |
| 7331205 | Rivet monitoring system A rivet monitoring system is provided which has a micro-strain or micro fluid pressure sensor that measures strains or pressures within a tool component. These measured signals are compared to a number of tolerance bands formed about median strain or pressure versus... | 02/19/2008 |
| 7269987 | Method of manufacturing connecting devices The invention relates to a method of manufacturing a connecting device having common axial core material and a plurality of helical fins, flanges or ridges that extend outwards from the core. The method uses an elongate preform member, and comprises forcing the pref... | 09/18/2007 |
| 7197809 | Method for fabricating an helical stranded cable, particularly for mechanical motion transmission, and cable produced by that method A method for fabricating a stranded cable particularly for mechanical motion transmission, which cable is composed of multiple strands or wires, helically wound around a common longitudinal axis, including the steps of: a—winding... | 04/03/2007 |
| 7198068 | Cassette pigtailing machine for a coil spring A pigtailing machine includes a B forming head and a support pedestal secured to a cassette base. The cassette base is located upon a base which mounts the A forming head to provide for a relatively quick changeover should another double pigtail coil spring need be ... | 04/03/2007 |
| 7143622 | Extruded composite profile and method for separately winding two individual simultaneously extruded tubes with the aid of a winding device The invention relates to an extruded composite profile (10) and to method for separately winding two individual simultaneously extruded tubes (20, 30) with the aid of a winding device. The inventive extruded composite profile (10) consists of at... | 12/05/2006 |
| 7117703 | Wire-stranded hollow coil body, a medical equipment made therefrom and a method of making the same A wire-stranded hollow coil body (1) has a multitude of coil line elements (2) stranded along a predetermined circular line to form a flexible wire tube having a central axial hollow portion (3), the flexible wire tube is stranded under a strand... | 10/10/2006 |
| 7111483 | Method and apparatus for fabricating helically shaped ribbons of material Apparatus and methods are utilized to form turbulators. The apparatus includes a first mechanism for accepting a ribbon of material along an axis, a second mechanism for rotating an end of the ribbon of material, and a third mechanism for moving the second mechanism... | 09/26/2006 |
| 7069757 | Twisting apparatus for ultrafine rectangular bar The present invention relates to a twisting apparatus for an ultrafine rectangular bar, comprising: a chuck; chuck driving means; at least two vise clamps each of the vise clamps having a pressing surface capable of contacting to a side surface of the ultrafine rect... | 07/04/2006 |
| 7051770 | Coil-winding method and coil unit formed by the method A coil-winding method for forming a coil unit includes the steps of winding first and second wires substantially parallel to each other simultaneously around a first layer position of a core to form a first turn, winding the first and second wires simultaneously to ... | 05/30/2006 |
| 6857303 | Machine for bending and twisting flat metal wire A machine for bending and twisting flat metal wire for producing a motor vehicle wiper arm. The machine includes device for feeding and maintaining the wire, and at least a mechanism capable of gripping and releasing the wire in output of the feeding and maintaining... | 02/22/2005 |
| 6827108 | Single wire cable conduit A single wire cable conduit provided having a rhomboid-shaped wire including approximately parallel sides, a rounded first end, and a tapered second end. The wire is serpentine wound into a hollow tubular body having a plurality of approximately parallel adjoining w... | 12/07/2004 |
| 6820454 | “S” shaped cast in wire A weld wire for storage on a spool of weld wire. The weld wire has a substantially linear cast in the form of an undulating curve that generally lies in a single plane. The undulating curve is a succession of generally semi-circular sections having a generally fixed... | 11/23/2004 |
| 6716020 | Machine for making a coil in a length of thermoplastic tubing A machine and method for forming a spring coil in a length of hollow, cylindrical thermoplastic tubing comprises clamping the ends of a predetermined length of cylindrical thermoplastic tubing between first and second opposing spaced clamping members. In the machine... | 04/06/2004 |
| 6607841 | Silicon steel sheet An improved silicon steel sheet has two lateral ends each having a side edge narrower than the width of the silicon sheet. The side edge has two end points linking respectively to two lateral sides of the silicon steel sheet to form two symmetrical slant ... | 08/19/2003 |
| 6397653 | Folded metal bellows A method of making a folded metal bellows wherein an n-sided mandrel is positioned within a metal tube at an initial position. A convolution is formed by: axially moving and turning the mandrel with respect to and within the tube from the initial position... | 06/04/2002 |
| 6378347 | Machine for manufacturing twisted and offset electrical conductors In an exemplary embodiment of the invention, a machine for shaping a bus bar comprises a first retaining device, a second retaining device, a twisting device and an offset mechanism. The first retaining device is arranged to secure a first section of the ... | 04/30/2002 |
| 6378352 | Method and apparatus for winding thin walled tubing A system and method of winding a length of tubing into a coil. The system uses a mandrel to wind a length of tubing into the form of a coil. The length of tubing is both internally pressurized and placed under tension prior to being wound around the mandr... | 04/30/2002 |
| 6318142 | Spacer device for a basket forming apparatus A spacer device for use with a basket forming apparatus, the spacer device comprises a plurality of angularly spaced, radially extending arms (3, 4, 5, 6) corresponding in number to the number of metal bars forming the basket, each of which arms is adapte... | 11/20/2001 |
| 6287210 | Process of forming a twisted, spirally grooved member and the member formed thereby A novel process of forming a member, process of forming an extruded and axially twisted member, such as a drill, a fastener, a self-drilling/tapping fastener, and the member formed by the process is disclosed. The process includes the steps of: providing ... | 09/11/2001 |
| 6067838 | Method of forging rod-shaped work A rod-shaped work made of metal is set into a forging die having a cavity where a load is applied to the rod-shaped work in the axial direction thereof and a twist is generated therein during an upset forging process so that an expanded portion is formed.... | 05/30/2000 |
| 6049980 | Apparatus and method for producing a honeycomb body The apparatus produces a honeycomb body, in particular a catalytic carrier body, from at least one stack of structured metal sheets which define a plurality of passages through which a fluid flows in the honeycomb body. The apparatus has a forked holding ... | 04/18/2000 |
| 5758420 | Process of manufacturing an aneurysm clip A process for manufacturing an aneurysm clip (10) having a coil spring (22), a first arm (26) ending in a first clamping jaw, and a second arm (34) ending in a second clamping jaw (40). The method includes: (a) providing a cylindrical starting rod (1) of ... | 06/02/1998 |
| 5678440 | Screw conveyors, augers and flighting for use therein In a continuous screw conveyor or auger, the rotatable screw member (12) comprises a helical radial blade (28) (known as "flighting") which is preferably carried on a central driving shaft (26). The flighting (28) is formed by rolling a rectangular metal ... | 10/21/1997 |
| 5571349 | Method of producing twisted aluminum articles In a method of producing twisted aluminum products, an elongate heat-treatable aluminum article is twisted at first to have a value "tan $c;" of 0.5 or more, with the term $c; denoting a helical angle of the thus twisted article. The twisted aluminu... | 11/05/1996 |
| 5555758 | Method and apparatus for cutting coiled wire A length of wire is introduced to a coiling station to form a wire coil which then is fed to a cutting station where the free end of the coil engages a stop. Cutting means sequentially move between non-cutting and cutting positions to cut rings from the c... | 09/17/1996 |
| 5542278 | Method of radial forging Method of radial forging of blank where blank is set up in chuck head of a manipulator, swaged by at least two pairs of oppositely mounted forging tools while applying at the same time normal swaging forces created by said pairs of forging tools, and shea... | 08/06/1996 |
| 5357775 | Process for producing suspension component of light alloy An upper arm 1 of a front suspention made of light alloy is provided with a lateral rubber bush mounting bore 2 connected to a vehicle body, and a vertical joint mounting bore 6 connected to a wheel support member. When forming the arm 1, a shape of the a... | 10/25/1994 |
| 5107694 | Twisting apparatus Apparatus for twisting a strip of flat material into a helix or other suitable shape comprising one or more feed rollers adapted to feed the strip in to means for guiding and locating the strip in the plane of its longitudinal axis, and from whence the st... | 04/28/1992 |
| 5092038 | Method of manufacturing spiral heat exchanger tubes with an external fin An improved heat exchanger tube is provided in which the tube has one or more paralleled integral spirals formed in the tube wall providing on the exterior surface one or more convoluted spiral recesses of selected pitch, and fin members affixed to the sp... | 03/03/1992 |
| 5040294 | Process for producing a camshaft In a process for producing a camshaft provided with bearings and cams from a pipe or from a blank having an initial oval cam shape, the configuration of the camshaft with the cams and the bearings is molded into the pipe or hollow blank by swaging and cir... | 08/20/1991 |
| 5016460 | Durable method for producing finned tubing The method of the invention produces a method for fabricating a metal tube that contains at least 30 wt % nickel and 10 wt % chromium. The invention utilized an elongated mandral having an oversized diameter and oversized land portions. The oversized land... | 05/21/1991 |
| 4972696 | Forming elongate structural components A system for forming components to have a predetermined contour includes a manipulator having four manipulating heads 44, 52, 56, 58 which engage longitudinally spaced portions of the component. The system uses the manipulator to determine the initial con... | 11/27/1990 |
| 4953942 | Optical fiber cable and method of making the same A spacer-type optical fiber cable has a rod-type spacer which includes closed spaces for holding corresponding optical fibers within these closed spaces. The closed spaces of the rod-type spacer are formed from open straight grooves on a flat-type spacer ... | 09/04/1990 |
| 4945744 | Method and apparatus for forming a barrel coil spring A method and apparatus are disclosed for forming a barrel coil spring. The apparatus according to the invention has a rotatable head, and clamping device to attach an end of the coil spring to the rotatable head, a forming die head with at least one formi... | 08/07/1990 |
