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WO/2022/051830A1 |
The present invention relates to a method for manufacturing metal or non-metal wear, abrasion and/or cutting devices, in which the devices themselves are coated with CVD diamond, for use as rotating wear, abrasion and/or cutting elements...
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WO/2022/054829A1 |
A rotary tool according to one embodiment includes: a body; a flank positioned on a fore end side of the body; a discharging groove extending from the flank toward a rear end of the body; and a ridge line positioned at an intersection be...
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WO/2022/052805A1 |
A cutter provided with a vibration suppression member, comprising a body (100). At least one vibration suppression member (200) is provided on the body, the vibration suppression member (200) comprises an accommodating cavity (210), and ...
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WO/2022/047810A1 |
The present invention relates to a tool bit for a drill bit, comprising a triangular pyramid, and wing blades extending from the pyramid surface of the triangular pyramid, wherein the included angle between adjoined wing blades is 120°,...
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WO/2022/049303A1 |
The present invention provides a machining tool with a shaft rotatable by a motor around a first axis of rotation, and a machining element rotationally attached to the shaft for rotation about a second axis of rotation. The first axis of...
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WO/2022/041109A1 |
A drill bit for drilling hard materials, comprising a drill blade (1). The drill blade defines a rotation axis (O) and comprises: a first side (11) and a second side (12) that are located on two transversal sides of the rotation axis; a ...
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WO/2022/045681A1 |
The present invention relates to a drill adapter for switching a grinder. More particularly, in order to increase work efficiency by achieving a sufficient rotational speed when performing a grinder function using an electric drill, this...
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WO/2022/042999A1 |
The invention relates to a clamping shaft (110) for a tool (100), for clamping the tool into a rotationally driving clamping device. The clamping shaft (110) comprises a circular shaft portion (130) and a pentagonal shaft portion (120), ...
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WO/2022/041685A1 |
Disclosed is a portable drilling device for natural gas pipeline maintenance, which relates to the related field of natural gas pipeline maintenance and aims to solve the problem of potential safety hazards being present in an existing d...
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WO/2022/043073A1 |
The invention relates to a method for releasing a screw connection (6) between core drilling equipment (1) and a drill bit (6). The screw connection is released by applying torque peaks to the drive shaft (3) of the core drilling equipme...
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WO/2022/040326A1 |
A cutting tool includes a hole saw and an arbor assembly removably coupled to the hole saw. The arbor assembly includes a shank having a first end, a second end opposite the first end and configured to be coupled to a power tool, a body ...
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WO/2022/039258A1 |
An insert according to the present invention includes a cutting portion and a shaft portion. The cutting portion includes: a cutting blade positioned on the side of a first end; an end face positioned on the side of a second end; and a f...
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WO/2022/039248A1 |
This rotating tool has a cylindrical body that extends from a first end to a second end along a rotational axis. The body comprises: a first discharge groove; a first outer circumferential surface; a first ridgeline; a partition groove t...
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WO/2022/032603A1 |
Disclosed in the present invention is a quick-change-chuck hole opener, comprising a clamping sleeve for clamping a center drill; the clamping sleeve comprises an outer sleeve and an inner sleeve, the inner sleeve comprises two clamping ...
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WO/2022/032602A1 |
Disclosed is a convenient to disassemble combined tapper, comprising a clamping sleeve; a positioning block is provided on a side wall of the clamping sleeve, and a hole-opening drill is provided with a groove into which the positioning ...
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WO/2022/025015A1 |
In the present invention, a chip discharge groove (7) is formed in the outer peripheral part at the tip of a drill body (1) that rotates in a drill rotation direction (T) about an axis (O). A cutting edge (5) is formed at the intersectio...
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WO/2022/020704A1 |
A step drill bit including a shank extending along a bit axis and a body having a proximal end adjacent the shank and a distal end opposite the proximal end. The body includes a bit tip adjacent the distal end. The bit tip includes a dia...
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WO/2022/012785A1 |
The invention relates to a hand-held power tool (12), in particular a hammer drill, comprising a tool holder (16), a striking mechanism (32) and a rotary drive (34), wherein the hand-held power tool (12) is designed to rotate a tool (18)...
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WO/2022/009375A1 |
A diamond coated tool comprising a base material and a diamond layer provided on the base material, wherein the skewness Ssk of the diamond layer as per ISO 25178 is greater than 0.
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WO/2022/002457A1 |
A metal cutting indexable drill tool (100), comprising: an elongated drill body (101) having a boring shaft (102) and a mount shank (103); a center drill insert (104) mounted at a distal end (105) of the boring shaft (102) in an insert s...
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WO/2022/000563A1 |
Disclosed is a numerical control cutter convenient-to-disassemble structure, comprising a mounting base. A mounting rod is provided at the bottom of the mounting base, a numerical control cutter head is provided on the front surface of t...
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WO/2022/002456A1 |
A metal cutting drill insert (100,400) for a drill tool comprising: opposing top surface (101,401) and bottom surface (102,402) with a symmetry axis of the cutting drill insert extending there between, and a peripheral side surface (103,...
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WO/2021/261380A1 |
A cutting tool according to the present invention rotates about a rotational axis and is provided with a tip-end portion. The tip-end portion includes a partially spherical surface to be in contact with a workpiece. On the surface, a plu...
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WO/2021/258143A1 |
There is disclosed a chuck adaptor (10) for fitting between a drill head (12) and an elongate member (14). The chuck adaptor (10) may include a first end (16) with an aperture (18) adapted to receive and rotatably engage with the elongat...
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WO/2021/260774A1 |
The rotary cutting tool according to the present disclosure can rotate around the axis and has a rake face and a flank face. The flank face is continuous with the rake face. A ridgeline between the rake face and the flank face forms a cu...
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WO/2021/255851A1 |
This coolant supply mechanism is attached to a cutting insert. The cutting insert has a first bottom surface, a first top surface, and first side surfaces. The first top surface has a corner section that is positioned, in a plan view, at...
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WO/2021/245147A1 |
The invention relates to a cutting tool (10), more particularly a chamfering tool. Said tool comprises a tool body (14) capable of rotation about a tool axis (12) and a chamfer cutting element (24), which is mounted for radial displaceme...
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WO/2021/245840A1 |
This drill has a first main body part and a second main body part. The first main body part includes a chip discharge surface, a relief surface, and an outer peripheral surface. A ridge between the chip discharge surface and the relief s...
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WO/2021/245782A1 |
This cutting tool comprises a substrate and an AlTiN layer disposed on the substrate. The AlTiN layer contains cubic crystal type crystal grains of AlxTi(1-x)N, and the atomic ratio x of Al in AlxTi(1-x)N is 0.7 to 0.95. The AlTiN layer ...
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WO/2021/245784A1 |
Provided is a cutting tool comprising a base material and an AlTiN layer arranged on the base material, wherein the AlTiN layer contains crystal grains of cubic AlxTi(1-x)N, the atomic ratio x of Al in AlxTi(1-x)N is equal to or higher t...
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WO/2021/245783A1 |
Provided is a cutting tool comprising a base material and an AlTiN layer arranged on the base material, wherein the AlTiN layer contains crystal grains of cubic AlxTi(1-x)N, the atomic ratio x of Al in AlxTi(1-x)N is equal to or higher t...
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WO/2021/234684A1 |
A cutting head rotatable about a head axis has a cap portion and a mounting protuberance joined thereto. The cap portion has N cutting portions circumferentially alternating with N head flutes. The mounting protuberance has N circumferen...
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WO/2021/232823A1 |
An alloy tool bit twist drill, comprising a tool shank, a spiral tool body (4) and an alloy tool bit (31). A groove is milled on a spiral cutting surface (13) of the spiral tool body, the alloy tool bit (31) is integrally arranged on the...
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WO/2021/230176A1 |
A drill according to a non-limiting aspect of the present disclosure has a body that extends from a first end to a second end along a rotary axis. The body has: an outer circumferential surface; a cutting edge that is located on the firs...
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WO/2021/213732A1 |
A tool is described comprising a first part (14) adapted to be received by a part of a power tool, in use, and a second part (20) adapted to cooperate, in use, with a core drill bit (12), the first and second parts (14, 20) being releasa...
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WO/2021/214747A1 |
A cutting insert (20) rotatable about an axis (Al), has opposing front and rear surfaces (22, 24) interconnected by an insert peripheral surface (26), the insert peripheral surface (26) having first and second side surfaces (28, 30) spac...
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WO/2021/209095A1 |
The invention relates to an adjustment unit (1) for a guide bar (4) on a machining tool (0), comprising an actuation part (5) and the guide bar (4), wherein the actuation part (5) is connected to the machining tool (0) and directly or in...
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WO/2021/211415A1 |
There is provided a drill tool assembly for drilling metallic or other materials, comprising a holder having a mounting slot in which a cutting insert is positioned, and a through tool coolant supply system. The drilling tool system allo...
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WO/2021/206957A1 |
A conduit reamer with a lanyard receiver, inner and/or outer cutting blades is provided. The lanyard receiver is located along an axis of the handle near the tool's center of gravity. For example, the lanyard receiver is located between ...
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WO/2021/206610A1 |
A drilling machine (120) for a core drill (100), the drilling machine comprises a motor arranged to power a spindle, the spindle comprising a drill bit interface (121 ) arranged to hold a drill bit (110) and to rotate the drill bit (110)...
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WO/2021/200042A1 |
This surface-coated cutting tool is configured such that a lower layer has a composition (Al1-xCrx)N (x is 0.20-0.60), an intermediate layer has a composition (Al1-a-bCraSib)N (a is 0.20-0.60 and b is 0.01-0.20), has a repeating variatio...
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WO/2021/197215A1 |
Disclosed is a blank body. The blank body is made of a superhard material and used for being fixed to a base body (200) and may be machined to form a cutter cutting edge part (310), and comprises a first side face (100) and a second side...
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WO/2021/192629A1 |
Provided is a rotary cutting tool comprising: a base; and a cutting edge tip provided in the base. At least one first groove is formed in a rake face of the cutting edge tip. The first groove comprises a portion inclined with respect to ...
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WO/2021/188164A1 |
A torque transfer assembly for a bit holder includes an axial movement limiting subassembly and a rotation limiting subassembly. The axial movement limiting subassembly is configured to retain a drive body of the bit holder in proximity ...
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WO/2021/186617A1 |
This compound sintered compact comprises a cubic crystal boron nitride particle, a hexagonal crystal boron nitride particle, or, a hexagonal crystal boron nitride particle and a wurtzite form boron nitride particle, wherein the dislocati...
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WO/2021/182969A1 |
Device for an axial displacement of a hole saw (5) for a hand-held drill (D), wherein the hole saw (5) is coupled to the drill (D) by a drive shaft (16), and the hole saw (5) and an actuator (17) are rotatably connected and positioned in...
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WO/2021/175655A1 |
The present invention relates to a method for determining a recommendation of a gear to be engaged for a core-drilling apparatus. According to the proposed method, for example, a drop in speed of a core-drill bit of the core-drilling app...
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WO/2021/177388A1 |
In a tool holding portion (40a) of a machining tool (10), a cartridge (48) is provided so as to be movable forward and backward. A cam (50) accommodated inside a cam accommodation portion (40b) rotates while the cam (50) is in abutment a...
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WO/2021/165948A1 |
An aspect of some embodiments of the present invention relates to solutions for the removal of dental implant screws with stripped heads and/or dental implant screws that are difficult to remove. Optionally, the method for removing a den...
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WO/2021/162198A1 |
The present invention relates to a gun drill using an octagonal insert, and more specifically, to a gun drill comprising a cylindrical cutting body (400), wherein the cutting body (400) comprises: a central axis (C); a V-shaped groove (4...
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