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WO/2003/018242 |
A modified prior art twist drill embodies structural features that require less energy to drill a hole during a normal plunge operation and allow for lateral cutting movement during extraction of the twist drill from a drilled work piece...
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WO/2003/018862 |
The invention relates to a method for producing a nanostructured, in particular, ceramic-type functional coating (17) on a substrate (16). At least one plasma source (11, 12) generates a pulsed plasma (13, 14), by means of which a matrix...
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WO/2003/013771 |
A tool for the finishing of valve seats and guides in a cylinder head of an internal combustion engine on a motor vehicle is disclosed, comprising a first section with at least one first cutter for working the valve seat and a second sec...
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WO/2003/013772 |
The invention relates to a rotatable cutting tool including a rotatable basic body (1) and a cutting insert (2), which is mountable in a seat (3), formed in the basic body, which seat has a bottom surface (4) for a bottom side (9) of the...
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WO/2003/006708 |
[0035] This disclosure sets our a method of forming a protective layer on the surface of the material of drill bits to increase the number of hits when drilling very small holes such as those drilled in printed circuit board (PCB's). The...
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WO/2003/002320 |
A tool, a device, and a method for drilling capable of very easily forming a hole part in a drilled matter by extreme−smoothly discharging chips produced at drilled positions so as to maintain an excellent drilling efficiency, wherein,...
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WO/2003/000449 |
A center vacuum rotary drill bit including a rotary drill bit body (12) and an insert (32). The bottom surface of the slot (34) has a projecting key (51) that cooperates with a depression keyway (50) of the insert. Generally, vertical si...
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WO/2003/001016 |
The invention provides methods of producing and servicing insulating glass units. Methods are provided for reducing the pressure differential on an IG unit, for changing the interior pressure within an IG unit, and for changing the gaseo...
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WO/2002/100612 |
A cutting tool and process for the formation thereof. The cutting tool comprises a basic body (1) presenting an active end portion (2) coated with a diamond film obtained by the CVD growth technique, having superficial accidents (10) tha...
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WO/2002/098590 |
The present invention relates to a rotatable tool having a replaceable cutting head at the chip removing free end of the tool, whereby the tool also comprises a shaft, having a seat in which the cutting head is intended to be received, t...
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WO/2002/094487 |
A method and cutting tool for producing a hole or a recess in a workpiece which includes flat or curved sheets of fiber-reinforced composite material, metal or combinations thereof. The cutting tool has a shaft with a longitudinal axis a...
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WO/2002/090027 |
A cutting head (12) has a cutting portion forming a leading end, a pilot portion (32) forming a trailing end, and a cutting head mounting portion (36) adjacent the trailing end of the cutting head (12). A tool body (14) has a cutting hea...
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WO/2002/081133 |
A drill bit has a chuck engaging shank portion having a geometric cross-sectional shape; a plurality of projections formed on at least a part of at least one of said surfaces; said projections (a) varying in height across said surface, a...
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WO/2002/078887 |
The present invention provides a novel drill insert having chipbreakers, or chip splitting grooves formed through the cutting surface. The cutting tool insert has a specialised geometry including a chip splitting groove formed at a negat...
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WO/2002/076662 |
The present invention relates to a V-notched web (66) formed on a drill insert (35) of a drill tool assembly (10). The V-notched web (66) allows greater stability and feed rates, while decreasing the heat generated at the insert tip. The...
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WO/2002/070180 |
The invention concerns a high-speed dry-process-machining tool (0) comprising a body (100) whereof one first end (110) includes material removing means (200) and the other end (120) is urged to be connected to an activating means. The in...
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WO/2002/070181 |
A multi purpose end-mill to be used for different machining purposes, in particularly useful for closed or open contours machining. The end mill comprises a cylindrical shank portion (12) connected to a first cutting portion (18) provide...
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WO/2002/070179 |
The invention relates to a device for diamond hollow drills, wherein the element (4,8) of the drill (1) producing the link with the clamping device of a drilling machine itself or an additional element comprising a clamping device for th...
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WO/2002/066188 |
A drill, especially a deep hole drill, comprising a base body, wherein chucking grooves are incorporated therein at least on the end which is used to machine workpieces; also comprising a center axis . The invention is characterized in t...
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WO/2002/062512 |
The invention relates to an interchangeable holder (1) for hollow drills, comprising a support element (4) for receiving a base end (11) of a drill rod (10) of the hollow drill on a front face, and a holding device (12) for a handle of t...
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WO/2002/055243 |
This invention relates to a tool intended for chip removing machining together with a cutting insert therefor. The cutting insert is formed having a connecting surface or serrations that comrises ridges (11) and intermediate grooves. The...
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WO/2002/055244 |
The invention relates to a drill/chamfer tool that comprises a drill (1) with a shaft section (2) that is provided with a twisted flute, and a clamping ring (4) as the retainer of a facing cutter (5). Said clamping ring tubularly enclose...
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WO/2002/049988 |
A machining surface of a machining tool such as a drill (10) is composed of a metal-rich section (22). A ceramics-rich section (20) is formed centrally in the drill (10). Further, a gradient section (24) is provided between the ceramics-...
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WO/2002/045892 |
The invention relates to a tool for working in metallic materials, comprising a tool body (11) having located in its front end at least one cutting insert (12), wherein the tool body is provided with one or several damping elements (18)....
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WO/2002/040206 |
A small drill having a high rigidity, an excellent chip dischargeability, and a high hole centering accuracy, wherein a chip discharge groove (12) and a groove-shaped part (15) allowed to communicate with the chip discharge groove (12) o...
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WO/2002/034438 |
The invention relates to sets comprising a drill for producing a drilled hole and a screw for screwing into the drilled hole, or into a plug fixed in the drilled hole. The screw comprises a screwhead with at least one recess. The drill c...
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WO/2002/034441 |
The present invention relates to a rotatable tool having a replaceable cutting part (7; 7') at the chip removing free end of the tool, the tool also comprising a tool part (3; 3'), on which the cutting part (7, 7') is intended to be moun...
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WO/2002/028593 |
A grinding wheel (110) for producing a cutting tool having a flute (35) and a land (40) with a margin which follow a helix angle (HA) is disclosed along with a method for using such a grinding wheel. Additionally, a crush roll (410) for ...
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WO/2002/028578 |
A cutting tool has a flute (35) and land (40) which follow a helix angle (HA), wherein the flute and land are connected to one another with a convex heel to provide a smooth contour to the tool surface and to provide improved performance...
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WO/2002/028599 |
A grinding wheel (110) for producing a cutting tool (10) having a flute (35) and a land (40) along with double margins which follow a helix angle is disclosed along with a method for using a grinding wheel (110). Additionally, a crush ro...
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WO/2002/026430 |
The present invention relates to a tool for chip removing machining, said tool comprising a drill (1) and a countersinker (3) mounted thereto, which has at least one cutting insert (14) for chip removing machining, said drill (1) being p...
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WO/2002/018082 |
The invention relates to a rotative cutting device, in particular a drill, comprising a tool head (1) consisting of a hard cutting material and a tool shaft (2), which clamps the tool head (1) between two clamp extensions (13, 14) that p...
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WO/2002/014003 |
The invention relates to a cutting plate for tools rotating about a tool axis, especially boring tools with several cutting edges. Said cutting plate comprises a major cutting edge (26) which is connected to the minor cutting edge (32) i...
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WO/2002/005990 |
A throw-away cutting tool capable of increasing a durability, a machining stability, and a machining accuracy by detachably installing a cutting head having a cutting edge at the tip of a tool main body using a tightening device so that ...
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WO/2002/004158 |
A method of producing a fluted drill (2) in which the flutes (4) are formed by grinding a generally cylindrical blank (20) using a grinding wheel (22) having a profiled circumferential face for generating the cross-sectional form of the ...
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WO/2002/002263 |
The present invention relates to a rotatable tool having a replaceable tip (3), the tool also comprising a tool body (1) having a cutting seat (9), in which the tip (3) is intended to be received that the tool body (1) has helicoidal or ...
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WO/2002/000381 |
The invention relates to a double or multiple-edged drilling tool. The drilling tool has a base body (14) that can be rotated about a drilling axis (36) and that has on its face at least two plate seats (16) for accommodating identical i...
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WO/2001/098008 |
The invention relates to a drilling tool for hole-drilling in metallic materials, including a drill body (11) as well as at least one cutting insert (12) located in the front end thereof, defining the periphery of the drill, the drill bo...
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WO/2001/091960 |
A drill bit (1) for working of metal, which drill bit has a centre tip (2) that passes into cutting edges (3) extending towards the periphery, and a centre line (A). The drill bit (1) has a cutting angle ($g(a)) of 1-20° between the nor...
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WO/2001/091959 |
The bit (3) for a twist drill (2) has several main cutting edges (4) which are interconnected by a chisel edge (6). Secondary cutting edges (14) running along flutes (10) in the longitudinal direction (L) of the drill adjoin said main cu...
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WO/2001/088321 |
The invention relates to a rock drill with a helicoidal shank (3) and a drill head (2), comprising a scarped main cutting plate (6) and secondary cutting plates (14, 15) arranged cross-wise thereto. In order to allow for more chip space ...
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WO/2001/085375 |
The invention relates to a solid drill bit for machine tools. Said first bit has a bit body (10) and two movable inserts (20,22) which are located a radial distance apart, each in an insert seat (16,18) of the bit body (10), in the area ...
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WO/2001/085374 |
The invention relates to a lathe tool (1) in which at least two identical tool cutting edges (10, 11, 19, 20) are provided thereby lengthening the serviceable life of the lathe tool.
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WO/2001/085373 |
The invention concerns a drill comprising a generally cylindrical body (2), tipped with a head (3) and provided, over at least part of its length, generally spiral evacuating grooves (5). The groove(s) (5) is/are delimited, over at least...
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WO/2001/078928 |
The present invention concerns a method and a device for installing at least one flexible, elongated member through a partition element, said device comprising an elongated tool element with means for penetration at a first end of said t...
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WO/2001/076794 |
A drill comprising a tip-forming end including at least two cutting edges (8, 8') and at least two chip flutes (7, 7') extending from the tip end (2) towards the second end (3), having the purpose of forming and removing chips from the c...
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WO/2001/068334 |
A drill bit which has no life ring, is easy in positioning, and can drill a drill hole high in roundness, wherein three cutting blade parts are formed on a cutting tip comprising a block body made of cemented carbide, equidistantly in ci...
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WO/2001/068303 |
Drilling tool including a shaft (1) having a front end to which a cutting body provided with cutting edges (2) is detachably connected. In the front end of the shaft (1), a seat is formed which is delimited by spaced-apart protrusions (4...
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WO/2001/066902 |
A drill comprising a shank part (11), which is adapted to be received in a drill holder of a drilling machine, and an opposite cutting end part (13). An intermediate fluted part (12) is provided, which defines at least one helical flute ...
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WO/2001/066899 |
The invention relates to a rock drill (1) for use in hammer drilling machines or similar. Said drill uses a transport spiral (3) with primary and secondary edges (6 to 9). The transport spiral (3) extends to the tip of the drill head, wh...
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