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Patent Searching and Data


Matches 201 - 250 out of 10,688

Document Document Title
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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) ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 201 - 250 out of 10,688