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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8083444 | Method and apparatus for machining work pieces A method and apparatus are provided to machine a curved surface such as an inner or outer peripheral surface of a pipe. The pipe is held stationary during machining and a rotatable spindle of a machine head moves along multiple orthogonal axes to align the rotationa... | 12/27/2011 |
| 7674079 | Method and apparatus for machining work pieces A method and apparatus are provided to machine a curved surface such as an inner or outer peripheral surface of a pipe. The pipe is held stationary during machining and a rotatable spindle of a machine head moves along multiple orthogonal axes to align the rotationa... | 03/09/2010 |
| 7377732 | Thread mill having flute twisting in direction opposite to rotating direction A thread mill that is to be moved along a helical interpolation path while being rotated about an axis of the thread mill in a rotating direction, for forming a thread in a circumferential surface of a workpiece. The thread mill includes a cylindrical main body havi... | 05/27/2008 |
| 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 |
| 7147413 | Precision cemented carbide threading tap A precision cemented carbide threading tap is designed for use in precision tool holders in synchronous high speed tapping. The precision tap includes a fully cylindrical shank without the aid of squares, flats or other notches. The precision tap further includes a ... | 12/12/2006 |
| 7114891 | Thread forming tool with annular ridge A thread forming tool includes an elongated body defining a longitudinal center axis. The body including a thread forming portion formed by one or more annular ridges oriented perpendicular to the axis. The body has a non-circular shape in a cross sectional plane or... | 10/03/2006 |
| 7107664 | Screw thread cutting apparatus and method A thread cutting milling tool comprises a shank with a working portion formed with a recess for receiving a thread cutting insert. The thread cutting insert has one edge formed with a line of thread-form teeth of identical profile. The thread cutting teeth project l... | 09/19/2006 |
| 7093334 | Machining unit with orientable spindle-axis for milling and boring operations A machining unit has a spindle-carrier structure, which can be oriented around a vertical axis. ... | 08/22/2006 |
| 7094010 | Thread milling cutter, holder and a method for milling an external thread on a spigot The present invention relates to a thread milling cutter, which includes a cutting head, having a holder with a number of cutting insert pockets, a number of threading inserts, which are received in the cutting insert pockets and an attachment integrated with the cu... | 08/22/2006 |
| 7077867 | Prosthetic knee joint having at least one diamond articulation surface Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for making joints, bearing and articulation surfaces, and methods for man... | 07/18/2006 |
| 7044692 | Screw thread cutting apparatus and method A thread cutting milling tool comprises a shank with a working portion formed with a recess for receiving a thread cutting insert. The thread cutting insert has one edge formed with a line of thread-form teeth of identical profile. The thread cutting teeth project l... | 05/16/2006 |
| 7037049 | Rotary cutting tool and high speed machining method with nano-lubrication using such a tool Rotary cutting tool, in particular for high speed machining with nano-lubrication. The lubricant is fed to the end surface of the cutting part (12) of the tool through a central lubrication channel (22) drilled along the axis of rotation (10 | 05/02/2006 |
| 6938670 | Method and apparatus for manufacturing supercharger rotor A method for manufacturing a supercharger rotor by casting a profile portion of a supercharger rotor and a shaft penetrating the same, having the steps of: first cutting a left and right helical cross portion on a surface of the shaft connected to the profile portio... | 09/06/2005 |
| 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 |
| 6890134 | Method of producing endodontic instruments Methods for manufacturing endodontic instruments are provided. Methods relate to milling a blank with a cutting process to shape the instrument. Instruments so produced are also provided. ... | 05/10/2005 |
| 6840722 | Machining apparatus and machining method A machining apparatus for machining a workpiece by rotating and revolving either the workpiece or a tool 1 to contact with each other. The machining apparatus comprises rotation/revolution ratio setting motors M1 and M3 for setting a ratio of a ... | 01/11/2005 |
| 6817870 | Technique for interconnecting multilayer circuit boards A circuit device for interconnecting first and second multilayer circuit boards is described herein. The first multilayer circuit board may include a first plurality of electrically conductive vias of varying depths and the second multilayer circuit board may includ... | 11/16/2004 |
| 6761621 | Gear and method of manufacturing gear To provide a gear having high strength and high dimension precision. A cut material is heated in an anti-oxidation atmosphere. Then, a form including gear teeth and having a nearly completed shape is formed from the upset material at one time by hot forging. The for... | 07/13/2004 |
| 6694847 | Cutting tip and method thereof A cutting tip having a three-layer laminated structure is provided. The tip is made from a disc-shaped three-layer laminate wherein a second layer consisting of a hard sintered compact of CBN or diamond is sandwiched by a first layer and a third layer con... | 02/24/2004 |
| 6687566 | Method of machining a female screw and dressing a grinding wheel for female screw machining The present invention provides a method of machining a female screw groove in a workpiece whereby the spindle of an internal grinding wheel for machining the workpiece into a female screw is tilted relative to the screw's axis at an angle (.xi.) smaller t... | 02/03/2004 |
| 6565297 | Method of milling large thread lengths A method of milling a large thread length with a thread milling cutter having a shank and a milling section having a plurality of rows of teeth arranged in each row one after another with at least two adjacent teeth in each row being separated, in an axia... | 05/20/2003 |
| 6557226 | Apparatus for manufacturing a bone dowel Apparatus for manufacturing a bone dowel includes a machine base with tracks on a surface thereof. Modules configured to slide in the tracks may include a module for a high speed rotary tool, a collet module, a vise module and a threading module. A vise m... | 05/06/2003 |
| 6460435 | Method of rotational thread milling and a thread milling cutter for use therewith A method of rotational milling of a thread on a workpiece and including providing a device having a rotatable workpiece spindle for supporting the workpiece and a rotatable milling cutter spindle for supporting a thread milling cutter, and displacing axia... | 10/08/2002 |
| 6442826 | Method for manufacturing a flush/semi-flush threaded connection A method for manufacturing pipe joints for connecting two pipe sections in a well bore allows the pipe joint to have increased resistance to compressive and torsional forces. Each pipe joint has a box member for matingly engaging a pin member, the pin mem... | 09/03/2002 |
| 6343902 | Reamer and method of using the same A reamer T including three-stage chip groups 6, each group having five chips 6 disposed circumferentially on a circle of a diameter smaller than an inside diameter of a hole H in a work W, axially at a given pitch P. When the axis Lt of the rotated reamer... | 02/05/2002 |
| 6293740 | Threading tool The invention involves a threading tool (20) for defining an internal thread within walls (62) of a cavity (64) within a workpiece having a floor (66) around an axially disposed protuberance (68) with a top (70) extending from the floor (66). The threadin... | 09/25/2001 |
| 6257810 | Milling tool for thread-milling and boring of high-strength workpieces A milling tool for thread-milling and boring has a milling region with thread-milling cutters disposed on thread-milling teeth, and bore-milling cutters disposed on an end face. The tool regions where the milling cutters are disposed are made of hard mate... | 07/10/2001 |
| 6183175 | Steerable toolholder A tool holder for a tool drive with an outer and an inner concentric drive shaft. A first adapter is detachably held by a conventional clamping system in a receptacle of the outside drive shaft. A second adapter is concentrically mounted in the first tool... | 02/06/2001 |
| 6155148 | Thread cutting method using lathe and numerical controller A basic spiral operation of a tool is controlled by storing, in a controller, an automatic operation program of a threading cycle which regulates the basic spiral operation of the tool corresponding to a thread shape by specifying a spindle revolving spee... | 12/05/2000 |
| 6155756 | Thread forming machine for bone material A machine for forming threads in a cylindrical bone dowel made of bone material, comprising a planar surfaced base provided with a threaded guide member having an externally threaded portion. A holding and rotating assembly is mounted on the base to rotat... | 12/05/2000 |
| 6012882 | Combined hole making, threading, and chamfering tool with staggered thread cutting teeth Solid tungsten carbide is the popular material for these combinations tools. High resultant side forces on the tool during the thread milling phase are caused by relatively high circumferential engagement of the tool and a very low feed per tooth (chip th... | 01/11/2000 |
| 5944462 | Hole cutting tool for chamfering and grooving A hole cutting tool for holemaking, chamfering, grooving, threading and/or O-ring grooving. The tool is a rotary tool for holemaking in a workpiece which includes one or more holemaking inserts about the outermost end of the tool, at least a pair of axial... | 08/31/1999 |
| 5873684 | Thread mill having multiple thread cutters A milling tool 8 includes a tool holder 10 for housing multiple thread cutting inserts 24 for precise milling of threads on a workpiece. The tool holder 10 is rotatable in an orbitable path spaced radially from a milling axis and is simultaneously rotatab... | 02/23/1999 |
| 5678962 | Integral boring and threading tool and method A unitary bore forming and threading tool for producing a variety threaded bores having chamfers and counterbores without a need for tool changes. The improved took preferably includes a shaft of predetermined axial length and having proximal and distal e... | 10/21/1997 |
| 5429459 | Method of and apparatus for thread mill drilling A threaded hole (20) in a workpiece (22) is formed by rapidly spinning an elongated tool (24) having a drill point (64) at one end, at least one longitudinally extending flute (80) having thread milling faces (84) for milling the thread to be formed, and ... | 07/04/1995 |
| 5413438 | Combined hole making and threading tool A combination tool is disclosed for drilling a hole in a workpiece on the inward feed of the tool and for threading the hole during retraction of the tool. The tool that has a straight body with a drill point at the forward end, a shank at the rearward en... | 05/09/1995 |
| 5383131 | Method of determining cutting trajectory in N/C machining system In a numerical control machining system, a leftover area on a work produced by cutting the work with a larger diameter ball end mill is cut with a small diameter ball end mill. When the cutting trajectories of the small diameter ball end mill are determin... | 01/17/1995 |
| 5188491 | Method for cutting the flanks of an infeed worm and worm milling machine Feed screws are used for container filling machines in order to separate a series of approaching containers at a specific distance from each other. Feed screws for non-rotationally symmetrically shaped containers are milled with a milling tool rotating at... | 02/23/1993 |
| 5170590 | Method of superfinishing a gothic-arch groove In superfinishing a Gothic-arch-shaped groove of a nut by using a superfinishing stone attached to the tip end of an oscillation arm while oscillating the superfinishing stone about the oscillation axis and, at the same time, moving the superfinishing sto... | 12/15/1992 |
| 5144871 | Numerically controlled screw cutting method for fine screw surface finishing A screw cutting method for use with a numerically controlled machining system is improved by enabling finer finishing of the final screw surface. The invention allows the removal of scars formed during rough machining by offsetting the position of the rou... | 09/08/1992 |
