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Patent Searching and Data


Matches 351 - 400 out of 6,285

Document Document Title
WO/2005/014214A1
The present invention provides a tap (10) adapted for formation of female screw-threads in a plurality of metal parts. Each female screw-thread is capable of imparting translational motion to a threaded second member engaged therewith, t...  
WO/2005/011902A1
A diamond film coated tool which excels in cutting performance, wear and abrasion resistance, welding resistance and wrought surface roughness, and a process for producing the same. In particular, a diamond film coated tool comprising a ...  
WO/2005/002771A1
A female screw cutting method, comprising the steps of cutting chip parting grooves in the inner peripheral surface of a prepared hole (22) with a plurality of groove cutting blades (16) of a triangular shape in cross section by pressing...  
WO2004054747A3
A vibration assisted tapping device includes an elastic frame (80) for translating axial vibration to a vibration having both axial and torsional components. The elastic frame (80) has flexural members (14) that connect an upper plate (1...  
WO/2004/098824A1
A die installation mechanism in a thread-cutting machine, where a thread portion is formed in a blank material by moving a moving die along a stationary die with the blank material clasped by the stationary die and the moving die. The di...  
WO/2004/096488A1
A method of producing a thread-rolling die used for producing multiple-threaded bolts, such as double-threaded bolts, having a loosening prevention function. A first cutting tool (10) has a shape of a coarse pitch thread with a flat cres...  
WO/2004/094094A1
The invention relates to a method for producing threads, especially internal screw threads (34), by means of a rotationally driven thread former (10) which drive the pitches of the screw thread outwardly in a non-cutting manner by pressu...  
WO2004076109B1
The invention relates to an indexable threading tap for forming inner threads in a workpiece, having a longitudinal too, body (2) and at least two threaded working heads (A, B) arranged on the tool body (2) for forming inner threads, and...  
WO/2004/087359A1
A thread cutting controller controlling the thread cutting operation to move a cutter or a work in the direction of a feeding shaft in synchronism with rotation of a spindle so that the ridge is not damaged nor the dimensional accuracy o...  
WO/2004/080637A1
A high-speed tap (1) for cutting a female screw by cutting edges (E) of a screw portion (2) fed in synchronous with the rotation of a machine tool. The high-speed tap is characterized in that chamfers (CF) are provided at a leading porti...  
WO/2004/076108A2
A precision cemented carbide threading tap (10) is designed for use in precision tool holders in synchronous high speed tapping. The precision tap (10) includes a fully cylindrical shank (46) without the aid of squares, flats, or other n...  
WO/2004/076171A1
A coated carbide tap (10) comprises a substrate (16) consisting of tungsten carbide cemented with 12 to 16% by weight cobalt with additions of small amounts of transition metal carbides added to restrain grain growth, and may also contai...  
WO/2004/076109A1
The invention relates to an indexable threading tap for forming inner threads in a workpiece, having a longitudinal too, body (2) and at least two threaded working heads (A, B) arranged on the tool body (2) for forming inner threads, and...  
WO/2004/069459A1
Threading control method and controller in which machining accuracy is enhanced while prolonging the lifetime of a tool by preventing shift of groove without correcting a programmed command when threading operation for controlling moveme...  
WO/2004/067216A1
The present invention relates to a thread milling cutter, which comprises a cutting head (1), having a holder (3) with a number of cutting insert pockets (10), a number of threading inserts (11), which are received in said cutting insert...  
WO/2004/054747A2
A vibration assisted tapping device includes an elastic frame (80) for translating axial vibration to a vibration having both axial and torsional components. The elastic frame (80) has flexural members (14) that connect an upper plate (1...  
WO/2004/053343A2
A female fastener (20) having a self-threading bore (22) for threaded receipt of a conventional male threaded fastener which forms a substantially continuous female thread without tapping having a prevailing torque. The bore includes a c...  
WO/2004/043636A1
The invention discloses a new thread shaping tap (1) having a special structure. The tap (1) has at least two uniform working heads (A1, A2, A3) arranged spaced apart along the length of a tool shaft (Z).  
WO2002065925A8
The present invention relates to a bone screw, a method for producing the threads of the bone screw and a drill for drilling holes therefor. The bone screw is adapted for implants for fixation of bone fragments at fractures and it compri...  
WO/2004/037482A1
A tapping method includes the following steps. A step of engaging a fore-end portion of a tap (47) with a prepared hole provided in a work piece, the tap (47) provided on a tapping tool (37) that is installed on a rotary mold-determining...  
WO/2004/022274A1
The invention relates to a thread milling tool, comprising a shaft, by means of which a thread may be produced in the solid material with only one tool, in both steel and long-chipping materials. The drill front cutting face is thus divi...  
WO/2004/020136A1
A thread grinding machine for grinding a thread shaft (3), wherein the thread shaft (3) to be ground is set on a work fixing stand (4) having a work positioning groove (40) of V-shape in cross section on a work table (2), and a grinding ...  
WO/2004/012890A1
An attachment for an automatic lathe (10) and which is capable of carrying out threading operations without the need for purpose made cams; the attachment having a pair of quills (30, 34), one (30) holding a drill bit (32) and the other ...  
WO/2003/097279A1
An all electric screw thread tapper comprises an electric servo rotational motor (20) controlled as to shaft position, velocity and acceleration in combination with a linear electric servo motor (16) controlled as to armature position, v...  
WO/2003/092937A1
Method and apparatus for improving the efficiency of the rotating cutter (25) of a tool (11) by converting at least part of the rotational torque applied to the cutter (25) to repeated rotational impact forces.  
WO2003011508A3
The invention relates to a thread former or tap comprising a shaft, which has a clamping section on one end and a forming or cutting profiled section on the other end. The forming or cutting profiled section is configured as a separate p...  
WO/2003/070405A1
The present invention relates to a cutting tool and a holder for chip removing machining. The cutting tool (10) comprises a holder (11) and at least two first cutting inserts (12A−12D). The holder (11) comprises a number of insert pock...  
WO/2003/064094A1
The invention discloses a new screwing tap (1) having a special structure. The tap (1) has at least two uniform working heads (A1, A2, A3) arranged spaced apart along the length of a tool shaft (Z).  
WO/2003/035317A1
The invention relates to a holder for a circular cylindrical threading die. In order to be received in a rotatably fixed manner, said threading die comprises a recess on the circumference thereof for engaging with a bolt which is radiall...  
WO/2003/020464A1
Tool die, for turning or cutting external threads, screws and profiles with several tensioning housings, equidistantly distributed over the circumference, for the detachable mounting of plate hard metal cutting tools, comprising a conica...  
WO/2003/011508A2
The invention relates to a thread former or tap comprising a shaft, which has a clamping section on one end and a forming or cutting profiled section on the other end. The forming or cutting profiled section is configured as a separate p...  
WO/2002/094490A1
A thread forming tap comprises an elongated body (4), having at a first end (6) a connector portion (8) and at a second end (10) a thread forming portion (12), said thread forming portion comprising at least one thread forming thread (18...  
WO/2002/094491A1
A thread forming tool comprises an elongated body (4), having at a first end (6) a connector portion (8) and at a second end (10) a thread forming portion (12), said thread forming portion (12) comprising at least one annular ridge (14) ...  
WO/2002/087813A1
A thread cutting tap having an elongated body, comprises at a first end a connector portion (4) adapted to be connected to a tool and at a second end a threaded portion (6) for cutting out a thread in a wall of an opening into which said...  
WO2001049333A9
Instrumentation for manufacturing a bone dowel (46) from human or animal cadaveric bone (14) and instrumentation for evaluating the suitability of the bone (14) and/or dowel (46) for implant use after each step of the manufacturing proce...  
WO/2002/065925A1
The present invention relates to a bone screw, a method for producing the threads of the bone screw and a drill for drilling holes therefor. The bone screw is adapted for implants for fixation of bone fragments at fractures and it compri...  
WO2002009597A3
A dowel (800) is provided by obtaining a plug from the shaft (diaphysis) of various long bones. The dowel (800) has an intra-medullary canal (30), which can be packed with any of a variety of osteogenic materials. The dowel (800) has a c...  
WO/2002/058889A1
A lapping tool capable of increasing the accuracy of a lapping operation, extending the life of a lapping tool itself, adjusting a lapping diameter, and coping with the lapping operation of various diameters, comprising a lapping tool bo...  
WO/2002/057044A1
The invention relates to the production of screw pump rotors comprising a pitch and/or depth of teeth which can be modified along the axis of the rotor. By means of a simple profiled machine tool (7), a first part of the profiled flank c...  
WO/2002/009597A2
A dowel (800) is provided by obtaining a plug from the shaft (diaphysis) of various long bones. The dowel (800) has an intra-medullary canal (30), which can be packed with any of a variety of osteogenic materials. The dowel (800) has a c...  
WO2001053021A3
The invention concerns a method for making a threaded bung for a thin-walled metal cask. The invention is characterised in that it consists in: forming a shaft (14) by dimpling the cask wall (11) and forming a thread inside said shaft, p...  
WO/2001/098011A1
The invention relates to the production of a nut which comprises a drive area (2) and a clamping area (3). A bore hole (B) running through the clamping area (3) and the drive area (2) is produced in a cylindrical manner. A screw tap (15)...  
WO2001049333A3
Instrumentation for manufacturing a bone dowel (46) from human or animal cadaveric bone (14) and instrumentation for evaluating the suitability of the bone (14) and/or dowel (46) for implant use after each step of the manufacturing proce...  
WO/2001/062422A1
A thread milling tool (10) includes a proximal shank portion (14) and a distal cutting portion (12). The cutting portion (12) includes at least one thread milling tooth (20) and at least one flute (16) oriented helically, or spirally, ab...  
WO/2001/053021A2
The invention concerns a method for making a threaded bung for a thin-walled metal cask. The invention is characterised in that it consists in: forming a shaft (14) by dimpling the cask wall (11) and forming a thread inside said shaft, p...  
WO/2001/049333A2
Instrumentation for manufacturing a bone dowel (46) from human or animal cadaveric bone (14) and instrumentation for evaluating the suitability of the bone (14) and/or dowel (46) for implant use after each step of the manufacturing proce...  
WO1999010127A9
A self-reversing tapping attachment (10) comprises a tap holding spindle (30), a forward driver (50) with a detachably attachable drive element (54) and a reverse driver (74) with a detachably attachable drive element (54) to impart forw...  
WO/2001/014105A1
A tongue bend-breaking and removing tool, comprising a holding part (2) and an acting part (3), wherein a permanent magnet (4) is installed at the tip part of the acting part (3), whereby a tongue can be bend-broken after a tongued spira...  
WO/2001/000362A1
The present invention relates to a thread-milling cutter (13), which includes a cutting head (14) with a number of cutting insert pockets (18), a number of thread-milling inserts (1), which are received in said cutting insert pockets (18...  
WO/2000/075737A1
The invention relates to a method for machining workpieces with a non-round or inconstant contour on usual commercial programmable turning machines. According to the invention, the application and combination of a programming, consisting...  

Matches 351 - 400 out of 6,285