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Patent Searching and Data


Matches 201 - 250 out of 6,213

Document Document Title
WO/2012/032286A1
Bore cutting tool (2), particularly for cutting metal workpieces, comprising a tool substrate (4) and a tool coating (8) on a surface of the tool substrate wherein the bore cutting tool comprises a plurality of pits (6) in the surface of...  
WO/2012/024221A1
A device (101) and associated system for threading, cutting, and reaming pipe ends are described. The device (110) and system utilizes a brushless DC electric motor (28). The devices (110) also includes on-board electronics and operator ...  
WO/2012/017672A1
Provided is a method which enables a ball screw nut to be provided with a ball circulation groove and a ball rolling groove on the inner circumferential surface thereof without misalignment in the axial, circumferential, and radial direc...  
WO/2012/011058A1
Tool-holding device suitable for being coupled to a mandrel of a machine tool or a mandrel fitted on a robot, comprising: - one or more tool-holder carriages (10); such carriages are positioned radially in relation to the mandrel axis (X...  
WO/2011/158946A1
Disclosed is a cutting insert which is for low cost screw processing having excellent shape accuracy for the screw being processed. In the disclosed cutting insert for screw processing a plurality of ridge-shaped cutting edges are formed...  
WO/2011/140830A1
A guiding composite cutting tap with different diameters is disclosed. The composite cutting tap comprises a screw blade (1) and a screw shank (2). The screw blade (1) is connected with the screw shank (2), or the screw blade (1) and the...  
WO/2011/140831A1
A composite cutting screw die includes screw blade bodies (1) and a shell (2). A plurality of screw blade bodies (1) are connected or integrated with the shell (2). The screw blade bodies (1) have any one of the following features or any...  
WO/2011/123958A1
The invention relates to a device (10) for machining a stationary workpiece (20), comprising a cylindrical milling head (11), which is supported such that the milling head can be rotated about the longitudinal axis (ZH) thereof and can b...  
WO/2011/110159A1
The invention relates to a rotationally drivable material-removing tool (10) with an integrated coolant/lubricant supply, which tool has a shank (12) and a cutting part (20) connected to the shank (12). The shank (12) has a clamping port...  
WO/2011/108108A1
Provided is a cutting tool such that the quantity of main body sections discarded and the quantity of cutting heads discarded can be restricted and that vibrations during cutting work can be suppressed. In the cutting tool (100), a Heli-...  
WO/2011/105098A1
Disclosed is a chaser (1) that improves the quality of the finished surface of a screw. This chaser (1) has a rake face (2) and a flank face (3) and in the intersecting ridge therebetween, when looking from the aforementioned rake face (...  
WO/2011/086675A1
A groove (42) in which an inside diameter finishing tooth (40) is provided is located in the center of roll off (22) at three points between a plurality of rows of protrusions (20a-20f) in the chamfer (24) around the central axis (O), an...  
WO/2011/078365A1
Provided is a method for manufacturing a screw which is capable of solving a problem due to rolling or cutting and prevents the movement path of an insert (13) from interfering with a desired curve line of the screw at the time of exitin...  
WO/2011/060647A1
A tapping machine comprises a stand (1), a main shaft (2) mounted on the stand (1) and a motor (3). The main shaft (2) is provided with a clamp (4) on one end and the clamp (4) can be provided with different taps (16) thereon. The stand ...  
WO/2011/058468A1
Tapping unit (1) comprising protection means (12) for permitting an axial retraction movement of a master screw (4) towards the interior of a casing (2) from a reference position into a first proximal backward position with a first defin...  
WO/2011/057328A1
A machine tool bit, such as a tool for drilling, milling, reaming or tapping or the like comprising a work portion (71) and a shank (73) extending from the work portion. The shank (73) is provided with one or more regions of reduced mech...  
WO/2011/058469A1
Tapping device (1) comprising a workpiece support (4) for the workpiece that is to be tapped, running substantially in a horizontal plane in transverse (I-I) and longitudinal (II- II) directions, and comprising a moving head support (5) ...  
WO/2010/120516A3
A method and apparatus for tapping into a pressurized multiple strings of coaxially situated tubulars for wells and/or platforms which have overturned wherein the tapping occurs underwater via a diver or remotely operated vehicle. The as...  
WO/2011/025079A1
The present invention relates to a tooth profile forming device capable of easily forming a tooth profile and reducing the cost required for the molding process of the tooth profile, and a tooth profile forming method using the device. T...  
WO/2011/018210A1
The invention relates to milling tools, comprising a shaft (1) and a work element (2), that is provided with holders (7) for cutting inserts (8). So that the milling tool allows secure and reliable fastening and positioning of the cuttin...  
WO/2011/004455A1
Disclosed is a thread forming tap wherein frictional torque or heat generation is reduced because the margin section is substantially 0 in connection with a shape near the top of a protrusion (δ=0°) to thereby decrease a contact area w...  
WO/2010/145801A1
The tool has a clamping part (2) and a working part (11). It consists of a wear-resistant material, which contains tungsten carbide which has a grain size that lies in the range between approximately 0.2 and approximately 0.5 µm. The cl...  
WO/2010/049831A3
A screw tap (10) comprising a shaft (12) and a thread cutter (13) provided at the free end, and a clamping surface (14) disposed on the shaft are described in which a design break point (15) is provided in the area of the other end, said...  
WO/2010/101512A3
A thread milling insert includes a plurality of teeth longitudinally spaced along an edge of the insert, each tooth having a cutting edge at a tip of the tooth, a longitudinal distance between any two cutting edges being at least two tim...  
WO/2010/120516A2
A method and apparatus for tapping into a pressurized multiple strings of coaxially situated tubulars for wells and/or platforms which have overturned wherein the tapping occurs underwater via a diver or remotely operated vehicle. The as...  
WO/2010/103611A1
Since the core diameters (d1, d2) of a spiral flute (20) are differentiated across a level difference portion (30), which is arranged at the rear end of a lead chamfer part (22) of a thread part (16) or on the side closer to the shank (1...  
WO/2010/101512A2
A thread milling insert includes a plurality of teeth longitudinally spaced along an edge of the insert, each tooth having a cutting edge at a tip of the tooth, a longitudinal distance between any two cutting edges being at least two tim...  
WO/2010/095249A1
Disclosed is a tap with a drill wherein three drill blades (26) and three threading edges (24) are respectively provided, three oil holes (28) are provided to penetrate in the axial direction, the core diameter (W) is set in a range of 0...  
WO/2010/045054A3
A cutting tap (20, 40) includes a body (22, 42) having an axial forward end (24, 44) and an axial rearward end (26, 46) and a central longitudinal axis (Z-Z). The body has a fluted section (30, 50) at the axial forward end. The fluted se...  
WO/2010/049989A1
A spiral tap (10) in which the external thread at a chamfer (16b) has such a profile as the outer circumferential side portion of a thread having the same dimension as that of a complete thread (16a) is cut linearly on the cross-section ...  
WO/2010/046060A1
The thread former is used for the non-cutting shaping of threads and has a main body (1') on which the moldings (6) are provided, distributed over the circumference. Said moldings are provided with thread-forming teeth (13, 14). Profile ...  
WO/2010/045054A2
A cutting tap (20, 40) includes a body (22, 42) having an axial forward end (24, 44) and an axial rearward end (26, 46) and a central longitudinal axis (Z-Z). The body has a fluted section (30, 50) at the axial forward end. The fluted se...  
WO/2010/034455A1
The invention relates to a screw tap (1) having a shaft (100). According to the invention, the function of the screw tap drive in applying cutting force is improved in that a recess is introduced into the front end (4) of the shaft (100)...  
WO/2010/028772A1
A device for producing a thread in a hole of a workpiece by means of a press or the like, which comprises a static bottom part (10) and a ram (12) which can be linearly moved thereto, having a rotationally drivable thread former (48) mou...  
WO/2010/022552A1
A device for forming the thread on the reinforcing rod end is positioned with expanding tools with at least two times. The device includes chamfering, skimming and threading tools (4), expanding and limiting units (3), arm expanding wedg...  
WO/2010/004980A1
An adapter (21) for tapping used for a turret punch press comprises ring gears (29) to which tapping metal molds (25) are attached, and a gear holder (31) in which the ring gears (29) are installed and which can be attached to a turret (...  
WO/2009/155884A1
A lead-in type interference fit pipeline external thread (10), it is able to achieve its seal while non-use of packing, in which the effective thread is a cone-shape pipe thread, at least two complete variation convex thread (11) is in f...  
WO/2009/123034A1
Provided is a method of manufacturing a screw joint product capable of increasing the life of an external cutting tool and also increasing the life of a chaser. The method including a step of threading a screw joint product after the ste...  
WO/2009/116178A1
A complete thread (26) is divided into a front thread (26a) with five or less thread pitches (P) for the thread of the pitch (P) and the remaining rear thread (26b). A predetermined back taper having a radial size gradually decreasing wi...  
WO/2009/074343A1
The invention relates to a screw tap, which a) can rotate about a rotational axis, and b) has a plurality of thread cutting teeth which each have a top cutting edge lying radially outward and which are aligned with respect to each other ...  
WO/2009/057962A3
Provided are a tapping shank and a nut tapping apparatus using the tapping shank. The nut tapping apparatus in which nuts, to which nut tapping is not accomplished, are moved from a hopper of a base body, the nuts are supplied to a tap r...  
WO/2009/067441A1
A faceted bone screw and a method for manufacturing the same includes a screw thread configuration having facets that are substantially transverse to the thread. The facets are generally made up of a plurality of transitioning peaks and ...  
WO/2009/057192A1
Since as illustrated in a developed view of FIG.2, helical flutes (16a, 16c) is differentiated from the lead angle β of adjoining helical flutes (16b, 16d) around the axis center, the lead angle α of cutting edges (20a, 20c) provided a...  
WO/2009/057962A2
Provided are a tapping shank and a nut tapping apparatus using the tapping shank. The nut tapping apparatus in which nuts, to which nut tapping is not accomplished, are moved from a hopper of a base body, the nuts are supplied to a tap r...  
WO/2006/103649A3
The present invention relates to tools for the machining of solid materials, namely an improved end-mill particularly suited for use in an orbital mode in the milling of recesses The orbital milling tool (10) for cutting openings (12) in...  
WO/2009/037094A1
The present invention relates to a thread cutter having a shaft (1) and a cutting part (2), wherein the cutting part (2) has a plurality of cutting studs (3, 3') each having at least one cutting tooth (4) and cutting teeth (4) of differe...  
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...  

Matches 201 - 250 out of 6,213