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WO/2008/053606A1 |
To provide a tap holder corresponding to the main shaft of a machine tool in which even if an error occurs in the synchronization of the axial feeding and the rotation of the tapper body and the tap collect, the error can be absorbed by ...
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WO/2008/053528A1 |
A tap holder that, even if there is an error in synchronization of shaft feeding and rotation between a tapper body and tap collet of a tap holder corresponding to the main spindle of a machine tool, can absorb the error by a simple stru...
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WO/2008/047123A1 |
A tool (10) and method for forming a thread on a surface defining a bore. The tool comprises a thread forming portion (12) comprising one or more thread forming ridges (16, 17, 18), and an elongate portion (14) for pulling the thread for...
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WO/2008/015871A1 |
A manufacturing history information management device (100) is provided with a processing and forming means (1) for processing and forming an identifier to identify a tube at a portion designed to be subjected to screw thread cutting of ...
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WO/2007/147196A1 |
A wire thread insert (1) for forming a helical thread, comprising a wire (7) wound into a closed coil having an outer surface (9) and an inner surface (11 ), wherein the wire (7) has a first portion (13) defining the inner surface of the...
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WO/2007/134496A1 |
A processing machine for worm or lead screw is provided. The processing machine includes a bed, a workholder and a cutting tool assembly located at the side opposing to the workholder. A workpiece feeding mechanism for driving the workho...
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WO/2007/133102A1 |
Plastic bars with helix winding, reinforced by basalt fibers are used in building industry including production of construction materials, engineering industry and in other fields, where there's need to use alongated objects, having dura...
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WO/2007/123482A1 |
The present invention relates to a threading tool, a threading insert, and a method of forming a thread. The threading insert (21) comprises a cutting edge (23). The insert comprises an insert supporting surface (25) and a clamping surfa...
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WO/2007/097685A1 |
The present invention relates to a milling insert (20) and a milling insert tool for chip removing machining. The milling insert comprises at least two teeth (26A-26E). The milling insert (20) has substantially a disc shape and comprises...
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WO/2007/090600A1 |
Method and drill bit for producing a countersunk tapped hole, comprising the following two method steps: a drill bit kinematically coupled to the main spindle of the drilling machine and having at least one main drilling cutting edge (10...
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WO/2007/091430A1 |
This invention provides a bolt (1) in which a surface hardened part (11) having increased surface hardness and compressive residual stress imparted thereto is provided at least on the surface of an external thread (10) in the bolt (1). T...
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WO/2007/087658A1 |
The invention relates to a rotary cutting tool (1) for cutting off tubes. Said cutting tool consists of an annular base (2) of a thickness D carrying a plurality of blade-type blade supports (3) of a thickness d with exchangeable cutting...
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WO/2007/083778A1 |
A rotary cutting tool that minimizes biting of cutting chips, and that can be manufactured at low cost. The rotary cutting tool comprises flank (6) having, superimposed on a surface of base material, hard coating (8) of a metal carbide, ...
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WO/2007/073850A1 |
The tool has a clamping shank (1) and a working part (3) which is designed in the form of a shaping region having thread grooves. So that the tool can be produced in a favourable and simple manner, the working part (3) is a component fri...
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WO/2007/063578A1 |
In a screw thread cutter (10) which is rotary-driven about the axis and led in the axial direction, while revolving, along the inner circumferential surface of a rough hole (44) provided in a workpiece (42) thus thread cutting an interna...
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WO/2007/046321A1 |
A ball screw device capable of reducing the size of a nut member (2), simplifying a circulation structure for balls (3), performing smoothly endless circulation of the balls (3) between the nut member (2) and a screw shaft (1), and minim...
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WO/2007/045205A2 |
The invention relates to a tool for cutting machining (1) with a tool head (3), a tool blade (15) made from the material of the tool head and a tool shaft (4, 7) with a clamping section (4) for housing in a tool support. According to the...
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WO/2007/042347A2 |
The invention relates to a set of watchcases comprising a plurality of lids (12) decorated with a pattern (38) and a plurality of middles (10), wherein each lid and middle defines respective supporting surfaces interacting with each othe...
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WO/2007/014659A1 |
The invention proposes a method of producing threads, in particular for drill strings or the like, wherein the workpiece and the turning tool (4) perform a relative rotary movement at high speed about an axis of the workpiece and a relat...
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WO/2007/009476A1 |
The present invention relates to a method for manufacturing a toothing on a component of a shaft-hub connection, the component being permanently secured in a fixing device, while in this fixing device it receives an at least two-stage to...
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WO/2006/136340A1 |
A tool is proposed having a tool shank (3) and a tool head (5) which can be fastened thereto and a clamping device (11) which connects the tool shank (3) and the tool head (5) to one another and which comprises a tie rod (13), running in...
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WO/2006/126299A1 |
A tool for correcting threads capable of correcting the threads of a bolt from the intermediate portion of the bolt in a restricted area. The tool (1) for correcting the threads comprises a die (2) having divided two die pieces (2') and ...
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WO/2006/118505A1 |
The invention relates to a thread-cutting insert of the type that comprises opposite top and bottom sides (12, 13) as well as front and back sides, the front one of which is formed with a plurality of laterally spaced-apart teeth (18a, 1...
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WO/2006/117850A1 |
A cold forming tap and a method of manufacturing the cold forming tap. Since the following side margin M2 of the following side flank (22b) of a male screw (22) is deviated from the leading side margin M1 of the leading side flank (22a) ...
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WO/2006/082450A1 |
The present invention relates to the field of thread cutting, in particular a device for applying an external thread to a conduit (5) comprising: (a) a cutting mechanism comprising a driving member (21) capable of rotation about an axis ...
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WO/2006/079620A1 |
The invention relates to a tool comprising a main body (1) and engagement elements (2) for direct interaction with a workpiece. The main body (1) can be displaced in relation to the engagement elements (2) between a mounting position, wh...
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WO/2006/050707A2 |
The invention relates to a screw-in member comprising a changing thread profile, particularly a screwable artificial acetabulum (1, 9, 17), and a method for producing such screw-in members. In order to create a specific progress of the t...
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WO/2006/033466A1 |
A spindle attachment device used by fitting to the tip of the spindle of a machine tool. The spindle attachment device (11) comprises a hollow casing (13) having an internal space, an input shaft (17) rotatably supported inside the casin...
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WO/2006/017690A2 |
A tapping tool having a guide body (9), a driver (10) for longitudinal movement of a tap (4) within the guide body (9), and a pump (45) for lubricating the tap (4). A keyway (100) in the guide body (9) mates with an indexing key (47) in ...
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WO/2006/011353A1 |
A thread groove (20) is processed by a ball end mill (15), a rotating tool. For example, a thread groove is rough-processed on the periphery of work (10) by a cutting tool, then the groove is hardened, and finally the groove is finished ...
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WO/2006/010708A1 |
The invention relates to a thread and gear milling machine (1), characterised by the following features: a first rotational axis (X1) for a thread cutter (2), a second rotational axis (Y1) for a gear cutter (3), a spindle (61), for rotat...
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WO/2006/010709A1 |
The invention relates to a gear cutting machine (1), characterised by the following features: a cutter (3) with a first rotational axis (Y1), a first group with a first spindle (61) and a steady (62), to hold a first workpiece (6) with a...
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WO/2006/009817A1 |
A hinge base plate mounting tool includes a substrate having an inner wall forming an opening through the substrate for receiving and holding a hinge base plate. The inner walls are configured to frictionally engage and hold the base pla...
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WO/2005/123316A2 |
A cutting die head (10) that can be set and/or reset without an external mechanism. To this end, the die head (10) includes a die body (12) including a plurality of radially adjustable blocks (46), each block having a cutter (48) mounted...
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WO/2005/120786A2 |
A low torque tap (10) includes a shank portion (12) with a driving square (14) and a thread cutting portion (16). The thread cutting portion (16) includes a threaded body (20) with one or more asymmetrical straight flutes (22) that run e...
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WO/2005/120785A1 |
A stand is made up of two channel shaped sides (29, 42). There is a removable top (1) that has holes drilled (2) in it so a router (39) with router bits (41) of different diameters and shapes, such as round-nosed and straight router bits...
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WO/2005/098275A1 |
A screw device, comprising a screw shaft (5) having a spiral ball rolling groove (6) formed in the outer peripheral surface thereof, a nut (1) having at least one winding groove (4) formed of a load ball rolling groove (2) of less than o...
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WO/2005/089973A1 |
The invention relates to a method, tool and device for producing threaded holes, particularly in workpieces of low material strength. The workpiece is heated in a substantially extensive manner with the aid of a friction and expansion se...
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WO/2005/085695A1 |
The invention relates to a thin wall stainless-steel pipe with threads ends, the thread ends are formed by a rolling wheel which engages into the pipe, the pipe wall are caused plastic deformation by thread of a die, the thread on the bo...
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WO/2005/084864A1 |
There is provided a tool for repair of damaged threads of screws, including a body (2) having a projecting portion (4) for accommodating a screw to be repaired and having two recessed major surfaces; a cutting blade (6), having a rear en...
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WO/2005/084863A1 |
There is provided a tool for repair of damaged threads of screws, including a body (2) having a projecting portion (4) for accommodating a screw to be repaired and having two recessed major surfaces; two blades (6, 6'), each having a rea...
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WO/2005/080040A1 |
Disclosed is a master spindle for tapping machine. The master spindle comprises a chuck (53) having a tap (51) detachably mounted thereto; a chuck support member (55) having the chuck (53) mounted thereto; a spindle bolt (57) fastened to...
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WO/2005/080037A1 |
The present invention relates to a slot milling cutter, which comprises a cutting head (1) as well as a fastener (3) integrated with the cutting head, which fastener is intended to be received in a tool coupling, the cutting head (1) hav...
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WO/2005/071275A1 |
The invention relates to a nut thread for use in an automotive structural component, comprising pitches (13) having a thread material that is compacted in some areas and uncompacted in others. In order to design the nut thread for dynami...
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WO/2005/066695A1 |
The invention relates to a device for piercing (1) glasses, particularly optical glasses, comprising at least one machining tool (5) for piercing a glass and which is actuated by at least one drive motor (10), a means (2) for supporting ...
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WO/2005/039423A1 |
A device for preparing a pedicle to receive an implant comprises an elongated shaft (8024) having a proximal portion (8014) and a distal portion (8012). An awl tip portion is near the distal portion (8012). A probe portion is proximal to...
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WO/2005/032749A1 |
Tapping device of the type to be coupled to a press of the type provided with at least one first element (1) moving according to a reciprocating rectilinear motion relative to a second element (2),the tapping device comprising at least o...
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WO/2005/026580A1 |
[PROBLEMS] To provide a ball screw nut which is excellent in durability and low in cost and which has a ball rolling groove of relatively high accuracy; and a method of producing the same simply and conveniently. [MEANS FOR SOLVING PROBL...
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WO/2005/021191A2 |
A cutting insert (100) rotated about its axis (105) may be utilized during a metalworking operation and applied against the rotating workpiece (10) to enhance tool performance. A method, including an assembly with a rotatable insert (100...
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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...
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