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Matches 1 - 50 out of 13,359

Document Document Title
WO/2019/155987A1
A drill 10 comprising: a cutting blade 22 formed at the tip of a drill main body; and a chip discard groove 23 having a rake face 24 on the tip side of the drill main body and extending from the rake face 24 towards the rear end side of ...  
WO/2019/149800A1
The present invention is related to a helical drill comprising a drill axis (50), a shaft (1), and a cutting portion, which in turn is comprised of a front end (3) and a chip flute portion (2) extending between the shaft (1) and the fron...  
WO/2019/148177A1
A cutting tool for a cutting a countersink in a material, including a body having a slot extending along a longitudinal axis and configured to receive a proximal end of a screw shaft while a distal end of the screw shaft remains in the m...  
WO/2019/147885A1
A drill bit includes a body having a first end, a second end opposite the first end, and an axis of rotation extending centrally though the body from the first end to the second end. The body defining an outer diameter. The drill bit als...  
WO/2019/142355A1
[Problem] To provide a step drill bit and step drill bit manufacturing method that can improve the cutting performance of the cutting edge of a step. [Solution] Given that a groove 5 comprises a first ground section 50 forming an area in...  
WO/2019/140482A1
A drill bit having a longitudinal axis to perform a drilling operation. A tapered tip extends from the proximal end and terminates in an apexat an end of the drill bit. The drill bit also comprises a plurality of flutes with each flute e...  
WO/2019/138599A1
This super-hard alloy has a first hard phase comprising tungsten carbide particles and a bonding phase containing Co and Cr, wherein a WC/WC interface is defined as a region in which the distance X between surfaces of the tungsten carbid...  
WO/2019/139075A1
A drill of one embodiment extends from a first end to a second end. A cutting section includes a cutting edge located at a first end side, a groove extending from the cutting edge toward the second end, an end surface located more to a s...  
WO/2019/139486A1
A core drill (1) arranged to drill in the ground (99), the core drill (1) comprising a sleeve (2) with a first end portion (22) and a bit ring (3) which is detachably attached in a rotationally rigid manner to the first end portion (22),...  
WO/2019/131177A1
In this drill: a wall surface (6) of a chip discharge groove (5) is provided with a first wall surface, which has a concave curved shape, and a second wall surface (6B), which is linear, in a cross-section orthogonal to the axial line (O...  
WO/2019/121137A1
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...  
WO/2019/121099A1
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 closed tubular element (14) which is formed in the shape of a fi...  
WO/2019/121140A1
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...  
WO/2019/121314A1
The invention relates to a method for producing a cut section from a closed tubular element (14) which is designed as a hollow cylinder, and one or more drilling segments (16) which are joined to the close tubular element (14).  
WO/2019/121141A1
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...  
WO/2019/121470A1
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 closed tubular element (14) which is formed in the shape of a fi...  
WO/2019/120886A1
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...  
WO/2019/121479A1
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 closed tubular element (14) which is formed in the shape of a fi...  
WO/2019/121472A1
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...  
WO/2019/121474A1
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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, ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  

Matches 1 - 50 out of 13,359