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WO/2012/058863 |
A compound-positioning and compound-cutting centering spiral cutter, comprising a cutter tip (18), the cutting tip being integrally provided with a plurality of spiral strips. A spiral auxiliary cutting edge (12) is provided on each spir...
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WO/2012/057000 |
The present invention provides a first hard film coated member wherein: layers A having a composition that satisfies TiaCrbAlcSidYe(BuCvNw) (wherein a, b, c, d, e, u, v and w respectively represent specific atomic ratios) and layers B ha...
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WO/2012/053090 |
Spiral flutes (18) are configured in such a manner that, with a straight line (AB) connecting a lowest point (A) on the inner peripheral side and an endpoint (B) on the heel side on the outer periphery in the cross sectional shape of the...
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WO/2012/045110 |
The present invention provides a power drill bit attachment comprising a receptacle for catching debris ejected from a substrate being drilled, the receptacle comprising (i) a first opening capable of accepting the debris; (ii) a second ...
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WO/2012/047456 |
A cutting insert fastener (250) adapted to secure a cutting insert to a cutting tool holder. The fastener (250) comprises a fastener head portion (252) comprising at least one feature (254, 256) adapted to direct a coolant fluid to an in...
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WO/2012/047455 |
A cutting tool comprises a cutting insert (10), a tool holder (15), and a fastener (13). The cutting insert (10) comprises a cutting edge (20) and a fastener bore (12) adapted to accept a fastener (13) for fastening together the cutting ...
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WO/2012/043822 |
Disclosed is a blade edge exchangeable cutting tool capable of suppressing change in the position of a cutting edge due to the rotational momentum in multiple different directions that acts on the cutting insert with the fastening force ...
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WO/2012/038343 |
In order to cost-effectively produce a twist drill, according to the invention a wire piece (1) is prepared from deformable and hardenable steel in the corresponding length. Two flutes (5) are rolled into the wire piece along screw lines...
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WO/2012/035070 |
A twist drill assembly (10) comprising a shaft (30) and a drill tip (20); the shaft having a single internal shaft conduit (34) for a fluid, extending between orifices (36, 37) formed into the shaft; the drill tip having an internal dril...
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WO/2012/032839 |
Provided is a surface-coated cutting tool which combines wear resistance with chipping resistance to a high degree. This surface-coated cutting tool is characterized by comprising a base and a coating film formed on the base, the coating...
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WO/2012/032286 |
Bore cutting tool (2), particularly for cutting metal workpieces, comprising a tool substrate (4) and a tool coating (8) on a surface of the tool substrate wherein the bore cutting tool comprises a plurality of pits (6) in the surface of...
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WO/2012/032966 |
Provided is a cutting tool (1) which is improved in disposal of cuttings and resistance to adhesion. This cutting tool (1) includes a hard sintered body (4) at least in the cutting edge, and is characterized in that the cutting tool (1) ...
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WO/2012/027057 |
A combination end milling/drilling/reaming cutting tool includes an end milling portion, a drilling portion, and a reaming portion. The cutting tool also includes a neck portion between the end milling portion and the drilling portion, a...
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WO/2012/026098 |
A method of producing a cutting tool provided with a cemented carbide base material and a coating film formed on the base material, comprising the steps of forming a coating film of at least one from among metal nitride, metal carbide, a...
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WO/2012/023473 |
A diamond polycrystal comprises a cubic diamond and a hexagonal diamond, wherein the ratio of the X-ray diffraction peak intensity of the hexagonal diamond with respect to face (100) to that of the cubic diamond with respect to face (111...
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WO/2012/021211 |
A cutting tool (10) having a shaft (15) with a longitudinal axis (20), wherein the cutting tool (10) includes a first flute (32) extending about the longitudinal shaft (15) along a helix angle and a first cutting edge (56) adjacent the f...
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WO/2012/021211 |
A cutting tool (10) having a shaft (15) with a longitudinal axis (20), wherein the cutting tool (10) includes a first flute (32) extending about the longitudinal shaft (15) along a helix angle and a first cutting edge (56) adjacent the f...
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WO/2012/018063 |
Provided is a coated tool that achieves a long life during high-speed cutting of steel and cutting of stainless steel and hard-to-cut material, etc., and achieves a long life in metal molds. The coated tool comprises a base material and ...
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WO/2012/017645 |
[Problem] To achieve a drill which has a long service life and enables high-speed cutting by providing improved strength to the cutting edge thereof and providing control so that cuttings are directed in an upward direction along a hole ...
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WO/2012/013425 |
The invention relates to a honing tool for positional honing. The honing tool according to the invention comprises a solid, unslit tool body, which is rigidly connected to the spindle of a honing machine. To achieve great stiffness, the ...
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WO/2012/015172 |
The present invention relates to an anchor bolt-hitting punch, and more specifically one designed to allow an anchor bolt to be safely and firmly inserted and secured in a fastening hole made in the concrete ceiling surface of a building...
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WO/2012/015172 |
The present invention relates to an anchor bolt-hitting punch, and more specifically one designed to allow an anchor bolt to be safely and firmly inserted and secured in a fastening hole made in the concrete ceiling surface of a building...
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WO/2012/008185 |
A surface coating cutting tool exhibiting both high wear resistance and high fracture resistance. A surface coating cutting tool includes a base material and a coating layer. The coating layer comprises a single layer or multiple layers....
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WO/2012/006990 |
The invention relates to a drilling tool (1) comprising a clamping shaft (2) and a cutting element (3) contiguous with said clamping shaft (2). The cutting element (3) comprises at least one flute (4) having a flute surface that has a co...
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WO/2012/006990 |
The invention relates to a drilling tool (1) comprising a clamping shaft (2) and a cutting element (3) contiguous with said clamping shaft (2). The cutting element (3) comprises at least one flute (4) having a flute surface that has a co...
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WO/2012/007450 |
The invention relates to a drilling tool, wherein a cutting edge bezel (18) is provided on a flank (20).
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WO/2012/008959 |
The present disclosure is directed to a multi -piece spade drill head (3) for a spade drill, wherein the spade drill includes an elongate body portion (281) and a cutting portion removably secured to an end of the body portion (281). The...
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WO/2011/160447 |
A quick assembled and unassembled joint comprises a body (1), wherein the back end of the body (1) is provided with a shaft hole (14) in which a power output shaft (3) is inserted and a limit hole (15) which is perpendicular to the shaft...
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WO/2011/158378 |
Disclosed is a ring-shaped hole cutter capable of smoothly discharging chips. The ring-shaped hole cutter includes a plurality of cutting blades comprising a first cutting blade (38a) and a second cutting blade (38b) disposed alternately...
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WO/2011/156150 |
A superabrasive cutting element including a diamond or other superabrasive material table having a peripheral cutting edge defined by at least one chamfer between a cutting face and a side surface of the table, an arcuate surface extendi...
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WO/2011/156150 |
A superabrasive cutting element including a diamond or other superabrasive material table having a peripheral cutting edge defined by at least one chamfer between a cutting face and a side surface of the table, an arcuate surface extendi...
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WO/2011/149143 |
An exemplary embodiment of the present invention relates to a drill bit mounted to the front end of a drill blade. The drill bit that is inserted and seated into a recessed groove formed in the front end of a drill blade comprises: a mai...
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WO/2011/142370 |
In order to increase the durability of a deep-hole drill head, wherein a cutting blade and a guide pad are brazed to a head body, and to cause spiral marks to not arise even after long-term use, disclosed is a deep-hole-boring drill head...
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WO/2011/139429 |
A reamer having a cylindrical cutter part (1) having a plurality of cutting bodies (4) arranged on the cylinder circumferential surface, the cutting bodies (4) having a cutter region (12) realized as a cutting strip and having a guide re...
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WO/2011/137494 |
An undercutting tool for producing an undercut in a bore, the undercutting tool comprises a tool body, which can be at least partially inserted into the bore that is to be undercut, at least one wedge moveably attached to the tool body a...
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WO/2011/137494 |
An undercutting tool for producing an undercut in a bore, the undercutting tool comprises a tool body, which can be at least partially inserted into the bore that is to be undercut, at least one wedge moveably attached to the tool body a...
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WO/2011/139429 |
A reamer having a cylindrical cutter part (1) having a plurality of cutting bodies (4) arranged on the cylinder circumferential surface, the cutting bodies (4) having a cutter region (12) realized as a cutting strip and having a guide re...
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WO/2011/139960 |
A drill bit, comprising a shank (5) with helix (6) and a drill head (9), wherein the drill head (9) is designed as a carbide part and is inserted into an end- face connecting groove (4) of the shank (5), wherein the base (4a) of the conn...
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WO/2011/135277 |
The present invention is concerned with twist drills for drilling of composite materials such as carbon fibre reinforced plastic (CFRP) and glass fibre reinforced plastic (GFRP). The present invention proposes that a twist drill (2) is p...
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WO/2011/137310 |
A tool bit (100) providing a combined drill bit and milling bit is disclosed herein. The tool bit in one embodiment includes a working section (104) having a longitudinally extending central axis (116), an O-flute (112) extending along t...
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WO/2011/131575 |
A drill head (100) for a BTA/STS or ejector deep hole drilling tool, comprising a drill head body (101) that can be rotated about an axis of rotation (113), having a drilling side (160) and a hollow channel (107) with a chip collecting o...
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WO/2011/132686 |
Disclosed is a roughly rod-shaped gun drill (1) provided with a shank portion flow path (4a) which circulates a coolant internally, and a tip portion flow path (4b). On the tip of the gun drill (1) are formed a cutting surface (5), a fir...
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WO/2011/133726 |
A hole saw arbor system includes a tool-bit holder comprising a body having a proximal end and a distal end, the proximal end configured to be coupled to and driven by a driving device. A substantially longitudinal tool-bit holder bore m...
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WO/2011/127046 |
The invention relates to a method for producing a drill bit, in particular a masonry drill bit, comprising a drill bit shank (1), wherein the drill bit shank (1) has an insertion section (2), a helical section (4) axially adjoining the i...
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WO/2011/121780 |
The disclosed cutting insert makes it possible to bore or drill without forming a pilot hole in the work piece. The cutting edge includes a cutting edge section that extends from the outside of the body of the cutting tool towards the ce...
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WO/2011/116540 |
A miniature drill and a method for processing the miniature drill are disclosed. The miniature drill comprises a drill tip (41) and a drill body (42). The drill tip (41) comprises two main cutting edges, two main tool faces and two auxil...
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WO/2011/116879 |
The invention relates to a drilling tool (1), in particular for drilling fibre-reinforced material (8), wherein the drilling tool (1) has at least one cutting edge (2). At least one marginal surface (31, 32), which in each case delimits ...
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WO/2011/110159 |
The invention relates to a rotationally drivable material-removing tool (10) with an integrated coolant/lubricant supply, which tool has a shank (12) and a cutting part (20) connected to the shank (12). The shank (12) has a clamping port...
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WO/2011/111197 |
Provided is a cutting insert having a cutting edge that can inhibit the cutting resistance applied to a cutting boundary section from increasing with an increase in cutting depth. The cutting insert has one or more rake faces, a flank fa...
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WO/2011/107081 |
A guide gib (500) for a deep drilling tool of a substantially rectangular shape with a longitudinal direction (L) and a width (B) and with at least one sliding surface (540) is characterized in that at least one lubricating groove, prefe...
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