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Patent Searching and Data


Matches 251 - 300 out of 6,219

Document Document Title
WO/2009/034276A2
The assembly of the invention includes a rod (8) made of a plastic material and a metal nut (10) to be screwed onto the rod (8) by forming an outer threading on the rod (8) upon the first screwing operation, the nut (10) having an inner ...  
WO/2009/030210A1
The invention relates to a tool head (1), in particular for machines for producing threaded connections on pipe ends, which is intended to rotate about an axis of rotation (Z), comprising at least one first tool slide (2, 4), which is ra...  
WO/2009/022570A1
A method and device for thread cutting in which the lifetime at the edge portion of a cutting tool can be enhanced even when thread cutting is performed at high speed. A method for cutting threads in a pipe P by applying an edge portion ...  
WO/2009/022571A1
A method and a device for deburring the screw joint of a pipe while suppressing generation of spark or scattering of dust. A deburring device (100) according to the present invention is one for removing burr from a screw joint (PJ) forme...  
WO/2009/013783A1
A method for forming a spiral groove in the periphery surface of a column-shaped or cylindrical work (WK) by cutting. In a state in which the shaft center of a side cutter (19) whose blade body is provided on the periphery is inclined re...  
WO/2008/136643A3
Disclosed is a method of fabricating a clamping nut, which can be performed with low costs because no loss occurs. A hollow-cylindrical half-finished work with a closed end is formed by drawing a metallic sheet, an inner hollow-cylindric...  
WO/2008/149464A1
[PROBLEMS] With respect to a tap covered with hard coating, to even in tapping machining of mild steel, etc., facilitate curling of chips so as to inhibit any entanglement thereof, thereby attaining not only enhancement of tool life dura...  
WO/2008/149465A1
[PROBLEMS] With respect to a tap covered with hard coating, to even in tapping machining of mild steel, etc., facilitate curling of chips while inhibiting any fusion adhesion to thereby inhibit any entanglement thereof and to stably real...  
WO/2008/150237A1
The invention relates to a cleaning device for the cleaning of a threaded part, comprising a first body portion (2) comprising at least one adjustable cutter (11, 12) and a second body portion (3) comprising at least one adjustable membe...  
WO/2008/139702A1
[PROBLEMS] To provide a ball screw, which can realize suppressed formation of an intergranular oxide layer upon heat treatment and can realize excellent durability, and a method for manufacturing the ball screw. [MEANS FOR SOLVING PROBLE...  
WO/2008/136123A1
Since a spiral flute (20) has a constant lead portion (20a) and a gradually increasing lead portion (20b) and the constant lead portion (20a) has an axial length in the range of 0.3ŒLA-1.2ŒLA including at least the leading part (22) en...  
WO/2008/136643A2
Disclosed is a method of fabricating a clamping nut, which can be performed with low costs because no loss occurs. A hollow-cylindrical half-finished work with a closed end is formed by drawing a metallic sheet, an inner hollow-cylindric...  
WO/2006/017690A3
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 ...  
WO/2008/126344A1
Provided are a multi-thread rolling die manufacturing method for improving the durability of a fine thread working portion, a multi-thread rolling die, and a multi-thread bolt manufacturing method. The multi-thread rolling die comprises ...  
WO/2008/117936A1
A thread-forming tap is disclosed. The thread- form ing tap of the present invention includes a body (2), which has a thread-forming part thereon, and a shank (4), which is integrated with one end of the body and has a hexagonal cross-se...  
WO/2008/117108A1
A portable threading machine comprises a containing structure (3), a transmission shaft (4) housed partly in the containing structure (3), a threading head (5) fitted at one end of the shaft (4) for receiving motion from it, means (7) fo...  
WO/2008/117912A1
The present invention discloses a thread forming tap. The thread forming tap includes a blade part and a shank part. The blade part includes a thread forming part for forming internal threads. The shank part is integrally formed with one...  
WO/2008/111252A1
In an insert for thread cutting, a pair of cutting edge parts which project from the common edge parts of the front and rear surfaces of the insert body when viewed from the direction facing the front and rear surfaces are formed at the ...  
WO/2008/086787A3
The invention relates to an auxiliary device and a plurality of embodiments thereof that allow, in a simple manner and using constructionally simple parts, a manually driven or machine-driven thread-cutting machine to be converted to a b...  
WO/2008/106638A1
A ratchet assembly, and particularly, a ratcheting manual threader drive device is described. The device utilizes a unique pawl extension assembly that includes a sleeve, and one or more biasing members that are positioned within a chann...  
WO/2008/105043A1
A tap holder which can absorb an error even if it occurs in synchronization between shaft feed and rotation of the tapper body and the tap collet of a tap holder corresponding to the spindle of a machine tool through a simple arrangement...  
WO/2008/102445A1
A tap in which, as shown in Fig. 2, the diameter Dd of a drilling edge (13) of a drill (12) is smaller than the root diameter d1 of a male thread (20) of a tap part (14), and the inner diameter D1 of a female thread (30) is determined by...  
WO/2008/097170A1
A cutting tool having multiple cutting edges includes a tool body having a longitudinal axis, a first cutting edge including a first leading edge that defines a first profile when rotated about the longitudinal axis, and a second cutting...  
WO/2008/088264A1
The invention relates to a rotatable multi-operation tool intended for hole making and other chip removing machining, comprising replaceable cutting inserts (2, 3, 4) of different types, a basic body (1) having a front end (6) from which...  
WO/2008/086787A2
The invention relates to an auxiliary device and a plurality of embodiments thereof that allow, in a simple manner and using constructionally simple parts, a manually driven or machine-driven thread-cutting machine to be converted to a b...  
WO/2008/048843A3
A cutting tool that includes an elongate body (22) that has a forward end (26) and a rearward end (24). The elongate body (22) has a fluted portion (30) that beginning near and extends in a rearward direction from the forward end (26). T...  
WO/2008/075402A1
Since a chamfer (30) is provided at a chamfer height (Hmen) within a range of 15%-100% of the height of screw thread (Hneji) on the face of the cutting edge (26) at the shank side crest (24b) of a complete crest (24), chips can be pushed...  
WO/2008/068816A1
A tap that by forcibly suctioning and discharging of chips, attains not only prevention of environmental pollution but also simplification of cleaning operation. Tap (1) has air suction hole (5) provided with aperture (5a). Accordingly, ...  
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 ...  
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...  
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...  
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 ...  
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...  
WO/2007/097829A3
An extruder system and a cutting assembly for cutting a material extruded from an extruder plate.  
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...  
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...  
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...  
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...  
WO/2007/045205A3
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...  
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...  
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...  
WO/2007/042347A3
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...  
WO/2006/065418A3
A servo motor in die tapping unit provides built in shock protection for the motor by fixing a shock plate to the servo motor and floatingly mounting the shock plate to a base structure attachable to a stripper plate in a press. Sets of ...  
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...  
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, ...  
WO/2006/050707A3
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...  
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...  
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...  
WO2006136340A8
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...  
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...  

Matches 251 - 300 out of 6,219