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Patent Searching and Data


Matches 351 - 400 out of 6,213

Document Document Title
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...  
WO/2000/043154A1
An improved process for producing an endodontic instrument (38) with a predetermined taper (80) having a plurality of flutes (94, 95, 96), each with a predetermined number of spirals over a predetermined length of the instrument are prov...  
WO/2000/023219A1
A taper tap for pipes of materials of high hardness, having a high durability and capable of forming a pipe taper female thread even of a material of a hardness of substantially more than 50 HRC. The sum $g(S)r of edge thickness angles i...  
WO/2000/021705A1
A machining device (6) for machining a workpiece by relatively rotating the workpiece and a tool (1) which comprises a revolving shaft (8) held for rotation on its own axis that is parallel with the center axis, a main shaft (4) that is ...  
WO/2000/020153A1
The invention relates to a threading machine having a rotating threading head (1) that can be displaced in the direction of the axis of rotation (1a). Said device also has tool sliders (3a, 3b) disposed in pairs opposite each other and r...  
WO/2000/006937A1
An oil well pipe screw joint having a load surface whose load flank angle is negative, wherein at a position where the load surface is bisected in the direction of the height of the male threads, the load flank angle is changed such that...  
WO/1999/058276A1
The invention concerns a tool-holder device, in particular a threading die stock, comprising means for receiving (1) the tool for fixing it along a predetermined direction (2) and means for actuating it (3). The invention is characterise...  
WO/1999/052666A1
A method of making a knob (30) and ferrule (50) for a captive screw (10) is disclosed, the knob (30) integrally attached to the screw (10), the ferrule (50) attachable to a panel (60). The method of making the knob (30) includes providin...  
WO/1999/039856A1
A self-reversing tapping attachment (10) comprises a tap holding spindle (30), a forward drive member (50) for imparting forward drive to the tap holding spindle (30), a reverse drive member (84) for imparting reverse drive to the tap ho...  
WO1999010127A3
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/1999/035419A1
A feed screw wherein a ball screw member (2) or a slide screw member (2a) has a driving force transmission shaft (4 or 4a), and a bearing member (6 or 6a) fitted around the driving force transmission shaft (4 or 4a), the same transmissio...  
WO/1999/033416A1
The invention relates to a method for cutting workpieces with a non-round or inconstant contour on usual commercial programmable turning machines. According to the invention, the application and combination of programmed threading cycles...  
WO/1999/029457A1
A drilling edge (6) is provided at the front end of a land (5) defined by a groove (3). Behind the drilling edge is provided a tapered thread cutting edge (7) which, on its upstream side in the direction of rotation, protrudes beyond the...  
WO/1999/024201A1
A method for machining a through bore (5) within a workpiece (W) and a device (10) for the implementation of the method. The method is suitable for finishing and semi-finishing machining operations of through bores and holes, in particul...  
WO1999008005A3
A threaded fastener (10) is having a raised area or bump (16) on a thread flank. The flank can be positioned on the nut thread (12) or on the bolt thread (14). The bump (16) forces the mating threads at least on one flank to have near ze...  
WO/1999/022891A1
A fastener forming apparatus (10) comprises a positive stop (40) that prevents workpieces (16) from overshooting the end of a forming stroke. A workpiece transfer mechanism (20) transfers one unformed workpiece (16) at a time into a work...  
WO/1999/011416A1
The invention relates to a screwing plate comprising at least one cutting tip (4) whose contour matches the desired shape of the threading. The cutting tip is configured as a chip forming element (10) which is shaped in the form of a spu...  

Matches 351 - 400 out of 6,213