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WO/2021/157716A1 |
This method for manufacturing a cutting tool (10) comprises: a tool base body (1) which is made from a sintered alloy; a hard coating (2) which is disposed on the outer surface of the tool base body (1) and has at least a layer constitut...
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WO/2021/159110A1 |
A central chuck including a chuck base, a first chuck and a first drill bit. The first chuck is rotatably coupled to the chuck base and has a chuck bore terminating at a lower chuck wall and a transverse locking bore. A locking plug is t...
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WO/2021/153599A1 |
A rotating tool according to one non-limiting aspect of the present disclosure has a body that extends from a first end to a second end along a rotation axis and is rotatable about the rotation axis. The body has a cutting edge that is p...
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WO/2021/154521A1 |
A drilling tool includes a drive assembly with a shank that is configured to couple to a power tool and a step drill bit. The step drill bit includes a body having a proximal end adjacent the shank, a distal end opposite the proximal end...
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WO/2021/148672A1 |
Drill (100) for drilling in hard materials, comprising a drill head (150) having a rotational axis (R), wherein the drill head comprises an apex (182) aligned with the rotational axis and centre point cutting edges (181, 181') radially e...
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WO/2021/149642A1 |
A coated tool according to a non-limiting example of the present disclosure has a base and a coating film located on the base. The coated tool is provided with a first face, a second face adjacent to the first face, and a cutting blade l...
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WO/2021/129512A1 |
A high-speed high-efficiency drill bit comprising a working ring (1) and discharge ports (2), wherein the working ring is of a cylindrical structure, the multiple discharge ports are annularly provided and are annularly distributed at th...
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WO/2021/121468A1 |
Twist drill bit having a cutting tip (3) with a stepped structure, consisting of a shank (1), a guide region (2) and the adjoining cutting tip (3) with a stepped structure, the stepped structure of which is interrupted by two flutes (5) ...
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WO/2021/127453A1 |
A rotary cutting tool (20) is provided having a body (22) and a fluid passage. The body has a shank portion (30) and a cutting portion (32). The body extends lengthwise along a central axis (24) between a shank end (26) and a cutting end...
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WO/2021/115987A1 |
The invention relates to an apparatus (10) for transmitting a torque from a drill device to a core bit, having an insertion end (14) and a tool holder (13). The insertion end (14) is composed of a first outer cone region, a groove region...
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WO/2021/116271A1 |
The invention relates to an apparatus (10) for transmitting a torque from a drill device to a core bit, having an insertion end (14) and a tool holder (13). The insertion end (14) is composed of a first outer cone region, a groove region...
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WO/2021/115529A1 |
The invention relates to a machining tool, comprising: a cylindrical tool main body (1), in which at least one planar cutting insert (2) is arranged below and parallel to a radial plane E; and a chip space (3), which is associated with t...
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WO/2021/115983A1 |
The invention relates to an apparatus (10) for transmitting a torque from a drill device to a core bit, having an insertion end (14) and a tool holder (13). The insertion end (14) is composed of a first outer cone region, a groove region...
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WO/2021/117822A1 |
A drill based on one aspect that is not limited by the present disclosure has a body that extends from a first end to a second end along a rotation axis, and is rotatable around the rotation axis. The body includes: a first blade; a seco...
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WO/2021/103394A1 |
A pagoda drill, comprising a handle portion (2) and a drill body portion (3), wherein the drill body portion (3) is in a circular truncated cone shape as a whole; a plurality of sets of steps (4) having diameters gradually increased are ...
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WO/2021/103393A1 |
A twist drill. A cone portion (11) is provided at the front end of a working portion (1); the outer side surface of the working portion (1) is provided with a spiral flute (IV) used for separating, cutting, and filing-discharging; the ou...
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WO/2021/108177A1 |
A hole saw arbor with mechanically automated plug removal to automatically remove the center plug of debris following drilling with the hole saw. A slidable collar is placed in an upper position on a threaded shaft to drill with the hole...
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WO/2021/098915A1 |
A workpiece (2), namely a gear with an inner toothing, is deburred using a deburring tool (1) which has two cutting plates (12, 13) in that the workpiece (2) is first rotated in a first rotating direction, wherein tooth flanks (7) of the...
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WO/2021/097052A1 |
A hole saw with various teeth sets and/or sizes that overhang a sidewall is provided. In some embodiments, a large tooth overhangs an inner diameter of the sidewall to create a larger kerf than the sidewall's thickness. Similarly, a toot...
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WO/2021/088283A1 |
A transversely-cutting compound drill bit, comprising a body (10). The body (10) comprises thereon multiple chip accommodating grooves (5) rotatedly provided according to a first right-handed helical line (11), and multiple cutting units...
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WO/2021/090525A1 |
A beveling cutter (1) is provided in which a cutting blade (10) is composed of, when seen from an axial direction (X): an inner cutting blade portion (16) extending linearly toward a rear side R2 in a rotational direction R and toward th...
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WO/2021/089587A1 |
The invention provides a cylindrical drill bit (1) comprising at least one set of circumferential cutting edges (6) positioned at a circumference of the drill bit; wherein the circumference is centred to a longitudinal rotational axis (R...
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WO/2021/090637A1 |
A diamond-coated tool provided with a blade that comprises a base material and a diamond layer provided on the base material, wherein when the length of the blade along the direction in which the blade extends is L and the thickness of t...
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WO/2021/091373A2 |
The invention provides a cylindrical drill bit comprising at least one set of circumferential cutting edges positioned at a circumference of the drill bit; wherein the circumference is centred to a longitudinal rotational axis; wherein e...
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WO/2021/078425A1 |
The invention relates to a deep-hole drilling tool for producing a deep-hole bore in a workpiece in a material-removing manner, comprising a drill shank (1) which has a proximal clamping portion (2) and at the distal end of which at leas...
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WO/2021/078749A1 |
The invention relates to a tool part (1) having a main body (3) and at least one cutting zone (5) formed on the main body (3), wherein the cutting zone (5) has a clearance face (7) and a rake face (9) which adjoin each other at a cutting...
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WO/2021/078746A1 |
The invention relates to an identification element (1) which can be attached and removed again for a cutting shank tool (100), in particular a drill or shank cutter, the identification element (1) having an identifier for identifying the...
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WO/2021/079939A1 |
Provided is a drill with which the production of burrs can be suppressed. In this drill, at least one cutting edge is provided to a tip end, a ridgeline of the cutting edge including a plurality of convex ridgelines that are bent in a ...
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WO/2021/077383A1 |
A board drilling apparatus, drill bit, and method for board drilling apparatus to drill a board. The board drilling apparatus (4) is configured to drill a board comprising at least a target conductive layer (13), an insulation layer, and...
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WO/2021/073031A1 |
Disclosed is a hawk-beak-type nano-diamond-coated hard alloy drill bit, the hawk-beak-type nano-diamond-coated hard alloy drill bit comprising a tool handle (1) and a tool bit (2). An outer surface of the tool bit (2) is provided with a ...
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WO/2021/074958A1 |
A drill is rotated around a central axis. The drill has a central axis, a front end and a rear end that are the ends in the direction along the central axis, an outer peripheral surface, a cutting edge extending from the outer peripheral...
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WO/2021/070419A1 |
This cutting tool includes a base material and a coating layer provided on the base material, wherein the coating layer includes independent layers and multilayer structure layers formed of a first unit layer and a second unit layer, the...
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WO/2021/070420A1 |
This cutting tool includes a base material and a coating layer provided on the base material, wherein the coating layer includes independent layers and multilayer structure layers formed of a first unit layer and a second unit layer, the...
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WO/2021/070422A1 |
A cutting tool according to the present invention comprises a substrate and a coating layer provided upon the substrate, wherein: the coating layer includes a multilayer-structure layer comprising a first unit layer and a second unit lay...
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WO/2021/070421A1 |
This cutting tool includes a base material, and a coating layer disposed on the base material, wherein: the coating layer includes a multilayer structure layer comprising a first unit layer and a second unit layer, and a monolayer; the m...
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WO/2021/070423A1 |
A cutting tool comprising a base material and a coat layer provided over the base material, wherein the coat layer includes single layers and multi-layered structure layers comprising first unit layers and second unit layers, the single ...
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WO/2021/065258A1 |
The diamond rod is a diamond rod comprising a CVD single crystal diamond, wherein the diamond rod has a length L in the longitudinal direction of 2-20 mm inclusive and, when the cross-section having the minimum area of the cross-sections...
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WO/2021/066046A1 |
A rotary cutting tool in which a chip is attached to the tip of a shaft-like shank. The chip has a cutting edge and a rake surface that extends from the cutting edge. The rake surface has a roughened region that is formed near the cuttin...
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WO/2021/058590A1 |
The invention relates to a drilling extinguishing device (1), comprising: a tool receptacle (13), which is designed to receive a tool or to connect to a tool; a fluid connection point, which is designed to supply a fluid; a turbine havin...
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WO/2021/056040A1 |
The invention relates to an apparatus for combined chamfering and drilling of workpieces (1). said apparatus comprising a bearing body (4) in which a drill body (3) connected to a drive shaft (2) for conjoint rotation is rotatably mounte...
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WO/2021/051437A1 |
Provided is an automatic pipe drilling device, comprising a machining table (16), wherein a material guide pipe (2) is fixedly installed on the machining table (16); a machining notch (17) is provided in the middle of an upper portion of...
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WO/2021/054019A1 |
This diamond cutting tool includes a base metal part and a diamond part joined to the base metal part, wherein: the base metal part is composed of an alloy including a tungsten carbide; the diamond part forms at least a cutting blade; th...
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WO/2021/048354A1 |
The invention relates to a method for creating a through-thread, more particularly a through-thread bore (163, 263, 363), with a predefined thread pitch (172, 272, 372) and with a predefined thread profile (171, 271, 371) with at least o...
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WO/2021/045750A1 |
Wall sealing and penetrator apparatus for use in penetrating walls in dangerous conditions. An example wall sealing and penetrator apparatus includes a first portion comprising: a first housing, a first sealing element, a first vacuum po...
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WO/2021/044989A1 |
This cutting tool is provided with a shaft, wherein the shaft includes an expanded diameter part having a greater diameter than the other portions in the shaft, and the expanded diameter part has a recess part formed in the peripheral su...
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WO/2021/038193A1 |
Method and means of manufacturing ties, fasteners and rods (15) having a plurality of longitudinal threads by forcing a coil of roll-profiled feed-wire made of steel (11) through a twisting-die made of plastic (1). Also described is: a t...
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WO/2021/038651A1 |
A single-blade deep-hole-boring drill formed from a body (2) and a shank (3), the drill comprising a single scraping discharge groove (5) in the outer periphery thereof. The body (2) is provided with a large-diameter part (2a) having a c...
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WO/2021/037460A1 |
The invention relates to a single-lip drill the rake face (23) of which has two longitudinal grooves (33.1, 33.2). They are arranged in the longitudinal direction of the tool and favor chip-breaking.
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WO/2021/038841A1 |
This three-fluted drill (1) comprises a body (3), discharge grooves (4), cutting flutes (5), thinning flutes (7), and gash sections (8). The body (3) extends centered on an axis (AX). The discharge grooves (4) are provided on an outer ci...
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WO/2021/036692A1 |
A drill bit with a circulating cooling function, comprising a drill bit body (1), a drill bushing (2), a cooling liquid pipeline (3), and a cooling device (4). The drill bit body (1) sequentially comprises a drill handle (11), a drill bo...
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