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WO/2019/121138A1 |
The invention relates to a cutting section (11) which can be connected to a drilling shaft section via a releasable connection device. The cutting section comprises a first open tubular element (14) which is formed in the shape of a firs...
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WO/2019/121139A1 |
The invention relates to a method for producing a cutting section consisting of a first, open tube element (14) embodied as a first hollow cylinder, a second, closed tube element (15) embodied as a second hollow cylinder, and at least on...
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WO/2019/120841A1 |
The invention relates to a method for producing a cutting section made of a first closed tubular element (14) which is formed in the shape of a first hollow cylinder, a second closed tubular element (15) which is formed in the shape of a...
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WO/2019/121475A1 |
The invention relates to a method for producing a cutting section from a first closed tubular element (14) which is formed in the shape of a first hollow cylinder, a second closed tubular element (15) which is formed in the shape of a se...
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WO/2019/121471A1 |
The invention relates to a cutting section (11) that can be connected to a drill shaft section by means of a detachable connecting device. The cutting section comprises a first closed tubular element (14) embodied in the form of a first ...
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WO/2019/110452A1 |
The invention relates to a drill head (1) comprising a cutting insert (2), characterized in that the drill head (1) comprises, over its thickness, at least one device for allowing the movement of a liquid, the device comprising at least ...
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WO/2019/106649A1 |
An indexable milling or drilling insert (14, 114, 214) having a 180- degree rotational symmetry about each of the first, second and third axes (X, Y, Z) of a three-dimensional euclidean space. The insert (14, 114, 214) has opposite first...
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WO/2019/107243A1 |
A rotary tool according to one embodiment is provided with a body having a first site, a second site, a third site positioned between the first site and the second site, a first edge positioned on a first end, a groove extending from the...
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WO/2019/103623A1 |
Hole saw adapter (10) comprised of an adapter body (12) with a first end equipped with a spindle (14) for fastening to a drive unit, such as a drilling machine, and a second end to receive a hole saw (32) and a central drill (34), in whi...
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WO/2019/101831A1 |
A method for manufacturing a tool head, comprising: - forming a first and a second part (4, 4') from a powder composition, wherein the first and the second parts comprise corresponding joining surfaces (5), and wherein the parts comprise...
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WO/2019/099881A1 |
A cranial drill guide includes a housing and a drill guide sleeve assembly pivotally attached to the housing. The drill guide sleeve assembly has at least two degrees of freedom to allow the drill guide sleeve assembly to be moved to a f...
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WO/2019/086171A1 |
The invention relates to a suction adapter (402) for a drilling tool (10) which includes a conduit (44), the suction adapter (402) comprising a housing (406) and at least one air intake port (416). According to the invention, the suction...
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WO/2019/087481A1 |
Provided is a sintered body including 3 to 80 volume% of cubic boron nitride particles and a binding material, wherein the binding material contains: at least one selected from the group consisting of at least one compound and solid solu...
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WO/2019/084768A1 |
A hard alloy having a diamond coating and a preparation method therefor. The hard alloy comprises a hard alloy matrix (10), and a silicon nitride layer (20), a silicon nitride/diamond composite layer (30), and the diamond coating (40) th...
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WO/2019/087177A1 |
A rotary cutting tool (20) includes a cutting head (22) and a tool shank (24), each having an axial abutment surface (66, fig. 3; 102, fig. 6) and a plurality of drive surfaces (52, fig. 3; 88, fig. 6). One of the two (22, 24) includes a...
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WO/2019/086696A1 |
The invention relates to a rock-drilling arrangement (10), comprising a drilling body (14) with a drilling-body-receiving adapter (12) for connection to a drilling machine, the drilling body (14) comprising a shaft (32) with an outer con...
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WO/2019/086169A1 |
The invention relates to a drilling tool which extends along a longitudinal axis and comprises a drill bit, a connection section for connecting the drilling tool to a suction device, a shaft section between the drill bit and the connecti...
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WO/2019/086695A1 |
The invention relates to a rock-drilling arrangement (10), comprising a drilling body (14) with a hard metal element (34) attached thereto, and a drilling-body-receiving adapter (12) for connection to a drilling machine, the drilling bod...
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WO/2019/088013A1 |
One embodiment of a drill has a rod-shaped body extending from a first end to a second end. The body has a cutting section and a shank. The cutting section has a cutting edge positioned on the first end and a groove extending from the cu...
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WO/2019/087656A1 |
A cutting tool according to one embodiment of the present invention is formed in a rod-shape extending from a first end to a second end, and has a body capable of rotating about a rotation axis. The body has a first edge, a second edge, ...
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WO/2019/090123A1 |
An arbor for a hole saw includes an arbor shaft configured to be coupled to a power tool. The arbor shaft defines a longitudinal axis. The arbor also includes an arbor stem supported by the arbor shaft. The arbor stem includes at least o...
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WO/2019/086168A1 |
The invention relates to a drilling tool (10) which extends along a longitudinal axis (12) and comprises a drill bit (24), a connection section (20) for connecting the drilling tool to a suction adapter (400), a shaft section (22) betwee...
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WO/2019/086212A1 |
The invention relates to a drilling tool which extends along a longitudinal axis, comprising a drill head, a connection region for connecting the drilling tool to a suction apparatus, a shank region which is arranged between the drill he...
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WO/2019/065397A1 |
The coated cutting tool according to the present invention comprises a hard nitride coating that contains Ti at 70 atomic% to 95 atomic% and Si at 5 atomic% to 30 atomic% with respect to the total metallic element content, and Ar at 0.05...
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WO/2019/065949A1 |
The present invention makes it possible to prevent the occurrence of defects due to peeling or chipping, and obtain a smooth machined surface. A diamond coating includes a first diamond layer comprising fine diamond particles and a secon...
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WO/2019/063504A1 |
The invention relates to a tool comprising a shaft (1) that can be driven about an axis of rotation (A) and a rotatably operating tool head (3) that is connected to said shaft and has a working section (8) extending over an axial distanc...
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WO/2019/065706A1 |
This coated tool is provided with a substrate and a coating layer positioned on the substrate. The coating layer comprises a plurality of each of AlTi layers containing aluminum and titanium as main components and AlCr layers containing ...
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WO/2019/058592A1 |
[Problem] To protect a leading end section of a drill which has a coolant hole and which makes a fine-diameter or ultrafine-diameter hole in a workpiece. [Solution] A coolant hole 33 is formed axially penetrating a shank part 3 and a sha...
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WO/2019/055524A1 |
Disclosed is a combination tool having a plurality of cutting elements. According to one embodiment, the combination tool comprises a drilling portion, a milling portion, and a boring portion. In this embodiment, the combination tool may...
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WO/2019/054289A1 |
This small-diameter drill has a diameter of 2 mm or less and has a double margin in which a ratio between the margin length and the diameter is 3 or higher. A ratio L/D between a margin length L, in the axial direction from an outer peri...
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WO/2019/052876A1 |
The invention relates to a four-edged drill (10) having two long main cutting edges (33), arranged in a point-symmetric manner with regard to the axis of rotation (11), which each extend from an outer circumferential cutting corner (31c)...
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WO/2019/047433A1 |
Provided are a rotary cutting tool with a replaceable bit and a rotary cutting method thereof, and a bit installation method. In the rotary cutting tool with a replaceable bit, a bit (1) is detachably connected to a bit carrier (2). V-sh...
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WO/2019/050823A1 |
A drill bit assembly including a drill bit having a first end, a second end opposite the first end, an axis of rotation extending centrally through the drill bit between the first and second ends, a shank disposed at the first end, and a...
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WO/2019/049257A1 |
This drill (1) has two lines of discharge grooves (4) formed therein. A cutting edge (5) is formed at ridge portions of a rotation direction (T)-facing inner surfaces (41) of each of the discharge grooves (4) and a flank surface (6). Thr...
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WO/2019/048265A1 |
A metal cutting drill insert (15) for a drill tool have a chip disruptor (28) provided at a rake face (25). The chip disruptor is further configured with a chamfer (29) at a leading cutting edge region (26) to increase cutting resistance...
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WO/2019/047251A1 |
A drill bit, comprising: a tool handle (10), a connection part (20), and a processing part (30), wherein the connection part (20) is connected to the tool handle (10); the processing part (30) is provided with a shaft core (31), and an e...
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WO/2019/049258A1 |
According to the present invention, a drill is a long drill provided with a discharge groove having a twist angle of 25°, wherein the length of the groove is at least 30D. A thinning treatment is performed on the tip section of the dril...
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WO/2019/042491A1 |
A device (1) for detaching at least one burr (2) from an opening (3) of at least one transverse borehole (4) of a workpiece (5), wherein the device (1) has an elongate shank (7), wherein the shank (7) can be introduced into a longitudina...
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WO/2019/040336A1 |
Drilling tool (10), configured to operate in two drilling modes, respectively with and without hammer action, said tool comprising a front end (12) equipped with a rotating part for mounting a drill bit (18) by means of an SDS-type push-...
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WO/2019/037690A1 |
A hand drill chuck, comprising a drill body (1), a nut (2) and a clamping jaw (3); the clamping jaw is provided with an external thread and is connected to the thread of the nut, while a middle portion of the drill body is provided with ...
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WO/2019/039724A1 |
A cutting insert for drilling includes an upper surface, a lower surface formed on an opposite side of the upper surface, a side surface connecting the upper surface and the lower surface; a cutting edge formed at an intersection of the ...
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WO/2019/040090A1 |
A modular rotary cutting tool includes a cutting head for insertion into a support. The cutting head has a coupling pin having torque surfaces and clamping surfaces formed on its outer peripheral surface. The coupling pin is divided into...
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WO/2019/039001A1 |
The rotary cutting tool comprises a substrate, a first diamond layer, and a second diamond layer. The substrate comprises a head portion, a body portion, and a shoulder portion constituting the boundary between the head portion and body ...
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WO/2019/034199A1 |
The invention relates to milling tools having inserted cutting bodies, which milling tools are used, for example, for drilling, countersinking, reaming, etc. In order to be able to process a specific diameter region by means of a milling...
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WO/2018/194018A9 |
This cemented carbide comprises: first hard-phase particles including WC; second hard-phase particles including a carbonitride containing at least Ti and Nb; and a metal bond phase including an iron group element, wherein the second hard...
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WO/2019/035219A1 |
This coated cutting tool is a coated cutting tool having a hard coating film on a surface of a tool, wherein: the hard coating film is a nitride; the hard coating film includes from 80 at.% to 90 at.% of aluminum (Al) and from 10 at.% to...
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WO/2019/035220A1 |
A hard coating film of this coated cutting tool comprises: from 70 at.% to 80 at.% of Al and from 20 at.% to 30 at.% of Ti with respect to the total amount of metal elements (including semimetal elements); and at most 0.50 at.% of Ar wit...
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WO/2019/032022A1 |
A hole saw (1 ) comprising a cylindrical unit (2) with an expanse in a longitudinal direction (Z), the cylindrical unit (2) being rotation-symmetrical about a center axis, which has an expanse in the longitudinal direction (Z). The cylin...
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WO/2019/031737A1 |
The present invention relates to an indexable drill (100), and includes a tip cutting edge part comprising a thinning part cutting edge (10) and a flute part cutting edge (20) when viewed from the side, wherein the thinning part cutting ...
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WO/2019/021785A1 |
This drill has a rake surface, a negative land, a relief surface, and an outer peripheral surface. The negative land is continuous with the rake surface. The relief surface is continuous with the negative land. The outer peripheral surfa...
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