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Patent Searching and Data


Matches 451 - 500 out of 10,658

Document Document Title
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...  
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)...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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-...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
WO/2019/019334A1
Disclosed is an alloy drill bit facilitating chip removal, comprising a drill bit shank and an alloy cutter mounted on the drill bit shank.The drill bit shank comprises a cutting part (1) and a chip removal part (2), wherein a cutter gro...  
WO/2019/021087A1
A device (50) for opening a connection to a lined pipe is disclosed. The device has a body that includes a front end and a rear end and being rotatable about a rotation axis (RA). The device also has a drill head (32) that has multiple c...  
WO/2019/016190A1
A polycrystalline diamond (PCD) composite compact element has a body of polycrystalline diamond material and a cemented carbide substrate bonded to the body of polycrystalline material along an interface. The cemented carbide substrate h...  
WO/2019/011732A1
A cutting insert for a rotary drill tool and drill tool assembly in which an insert and a support body are coupled via a plurality of axial support surfaces. The support surfaces comprise a first declined orientation in the axial directi...  
WO/2019/011734A1
A cutting insert for a rotary drill tool and a drill tool assembly in which an insert and a support body are coupled via cooperative contact surfaces and a mounting screw. The contact surfaces provide a dual function to axially and rotat...  
WO/2019/011743A1
A cutting insert for a rotary drill tool and drill tool assembly in which an insert and a support body are coupled axially via a complementary shaped projection extending radially outward from the insert and received with a recess indent...  
WO/2019/008132A1
The invention relates to a machining arrangement (1) and a method for attaching such an arrangement to and machining a working piece (2), comprising; - a frame (3) comprising a first end (4) and a second end (5); - a rotatable attachment...  
WO/2019/002037A1
The drill bit (1) for chiselling rock has an impact face (7) at a plug-in end (6), a hollow shank (4), within which a feed duct (35) is provided, and a drill head (2). The drill head (2) has, on an end face (12), three or more cutting li...  
WO/2019/002025A1
The invention relates to a drill (1) for chiseling stone, the drill having an impact surface (7) on an insertion end (6), a hollow shaft (4) inside which a conveying duct (35) is provided, and a drill head (2). The drill head (2) has thr...  
WO/2019/002050A1
The invention relates to a cutting tool (10), more particularly for producing or reworking a reamed hole, comprising a clamping shank (14) and a tool carrier (12) with a cutting head (22) and at least one cutter (18) arranged on an axial...  
WO/2019/005476A1
A drill assembly and method is provided for enlarging an injector of a reactor. The drill assembly includes an elongated shaft attached to a piloted drill bit including a pilot portion distal from and extending colinearly with the elonga...  
WO/2019/002040A1
The invention relates to a drill (1) for chiseling stone, the drill having an impact surface (7) on an insertion end (6), a hollow shaft (4) inside which a conveying duct (35) is provided, and a drill head (2). The drill head (2) has thr...  

Matches 451 - 500 out of 10,658