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WO/2001/064379 |
A plug ejecting hole saw (20) includes a saw cup (22) having cutting teeth (39) at a front annular edge wall (40) thereof and a rear circular base wall (37) having therethrough a concentric, non-circular aperture (41). An arbor holder (2...
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WO/2001/065048 |
The invention relates to a rock drill for hammer drills in which an advancing helix (3) with primary and secondary lands (6 to 9) is used. A one-piece hard metal tip is welded with the blade-shaped primary and secondary cutting edges (24...
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WO/2001/064376 |
A throw-away tip having a heat absorbing capability and a throw-away tool using the throw-away tip; the throw-away tip (3) installed on a shank (2) having a fluid inlet path (12) and a fluid outlet path (13) therein, characterized by com...
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WO/2001/064407 |
The invention relates to a drill, especially a Forstner bit or a multi-spur machine bit, having a drill shaft (2) and a cutter head (4) which is provided with a central mandrel (1). A first and a second spur cutter (100, 100') radially e...
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WO/2001/062443 |
A drilling tool (10) including a shank (12) having a chuck end (14) adapted for being held in a chuck (16) of a drill (18), and an opposite, bifurcated end (20) formed with a bore (22), the bifurcated end (20) including two portions (20A...
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WO/2001/060557 |
A drill bit having the same drilling function as a conventional drill bit, simple structure, high rigidity, and excellent durability, wherein a cutting blade tip (2) is fixed to the tip of a bit main body (1), a plurality of cutting blad...
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WO/2001/061142 |
A rotary drill bit for penetrating earth strata wherein the drill bit includes a drill bit body (22) that has an axial forward end (24). The drill bit body has a hard insert (56), which is preferably monolithic, that is affixed to the dr...
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WO/2001/058629 |
A drill having a structure capable of forcing out a cutting tool block at the tip thereof, while being rotated, when a handle is turned by forming a lateral hole in such a shape that the direction of the hole returns at an acute angle to...
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WO/2001/058631 |
A countersink bit device suitable for quick-exchange chucks, the device comprising a body (4) having distal and proximal sides, said body (4) having a shank of hexagonal cross-section (2) projecting from the body proximal side (4), and t...
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WO/2001/054847 |
A cutting tool or drill insert (40) with chip control geometry comprising a body including a portion securable in a holder and a forward portion (41). The forward portion (41) defining at least one cutting edge (49) extending from the ce...
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WO/2001/051248 |
An edge protector for a hole saw made as a strip (21) of a polymer material assembled as loop fitting inside the hole saw blade, with a width exceeding the height of the cylindrical toothed part of the hole saw blade (11) so much that th...
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WO/2001/049448 |
A tool such as a turning chisel (1) or a milling cutter (18) are indirectly cooled. In order to produce the tool, the requisite bores (4-7)and recesses are provided therein. An arrangement consisting of a tool and a revolver (26) has a c...
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WO/2001/045885 |
A tool tip and tool body assembly includes a tool tip having a first end for contacting a workpiece and a second end, the second end having a patterned surface of recesses and protrusions, and at least one through hole extending through ...
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WO/2001/045887 |
A tool extender and tool assembly is provided. The tool includes a first and a second end, a working portion for performing an operation on a workpiece being provided at the first end and a shank extending from the working portion to the...
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WO/2001/045886 |
The invention relates to an indexable drill (10) for drilling a hole in a metal workpiece. The drill includes an elongated generally cylindrical body (12) having a central longitudinal axis and a pair of cutting inserts (24). The body (1...
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WO/2001/043899 |
A composite rotary tool (10) includes at least first and second regions comprising first and second materials, respectively. The first and second regions are autogenously bonded and differ with respect to at least one characteristic such...
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WO/2001/044584 |
Said interlock anchor rod comprises a rod (5) and a wedge (6). Said rod (5) is a metal rod, which has notches (1-8) at the end thereof. Said bit of drill comprises an anchor rod (2), head of chisel (3) and a base (4). Said head of chisel...
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WO/2001/039915 |
The invention provides a bit (10) for use with a rotatable tool, said bit including: a shaft (12) having a rearward end adapted to be held by a chuck of the rotatable tool, and a forward end (18) having cutting tips formed thereon; a rea...
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WO/2001/038028 |
The hole saw assembly (30) provides a structure and method for efficiently and securely connecting a hole saw (32) to an arbor (34) and easily connecting a pilot bit (36) to the arbor (34). The arbor (34) has a shank (62) opposite a coup...
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WO/2001/038027 |
A core body lock device of a core drill which automatically locks a core body when a base body is coupled to the core body and, unless an unlocking operation is performed artificially, the relation of coupling between the base body and t...
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WO/2001/036134 |
The invention relates to a drill bit (2), having main cutting edges (4a, 4b) which are connected together by a transversal cutting edge (6). An open surface (7) which extends into a flute (8) lies adjacent to each main cutting edge. The ...
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WO/2001/036712 |
A tool (10) which includes a substrate (20) which has a first surface and a second surface wherein the first (22) surface and the second surface (24) intersect to form an edge (26). An adhesion coating scheme is on the substrate. The adh...
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WO/2001/036135 |
The insert drill (10) disclosed comprises a drill body (12) proper in which the entering hole-forming inserts (34, 36, 38, 40) are mounted in a removable and replaceable end cap (26) to facilitate restoration of the drill (10). The attac...
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WO/2001/030524 |
A rotatable tool for chip removing machining comprising a shaft (1) and a cutting body (2), which is connected detachably to the shaft by means of a drawbar (4) which at a front end has a locking device (23) for mechanical engagement wit...
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WO/2001/028718 |
The invention relates to a machining tool for carrying out high-speed machining in the machining of metals. According to the invention, at least one cutting body (2) is held by a clamping element (6, 7) in a clamped manner inside a tip s...
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WO/2001/028721 |
A shank installation structure providing as less axial loose movement as possible and a simple construction, a cutter used for the shank installation structure, and a cutter used for the shank installation structure and not coming off ev...
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WO/2001/026856 |
The present invention relates to a tool and a tool tip for chip removal, wherein the tool in operative position preferably rotates around its longitudinal centre axis. The invention also relates to a method for manufacturing a tool tip. ...
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WO/2001/023127 |
The invention relates to a boring bit (1) capable of right hand and left hand rotation for use in rapid boring operations. The cylindrical boring section (3) of the bit has a pair of spaced rectilinear grooved cutting channels (5, 7) whi...
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WO/2001/019559 |
The invention is directed to an apparatus (1) for predeterminedly configuring a resilient blank of material (5) including a support (2) means for said material, at least one configuring means (30) positionable according to at least two i...
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WO/2001/017705 |
The invention relates to a method for producing a substantially regular cylindrical body that consists of a deformable material, especially a sintered metal blank (10). Said blank is provided with an interior helical recess (12). The bla...
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WO/2001/017736 |
A hole-forming tool (1) having a handle (2) and a bit (3), the bit (3) having a traverse sectioned tube (6) tapering to a leading end to an extent allowing it to be driven into a wall of frangible material. The bit (3) further including ...
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WO/2001/017719 |
A generally cylindrical drill, particularly an insert drill having multiple cutting inserts (16, 18), helical chip grooves (24) to clear the chips from the hole, and a gripping shank (22) opposite the cutting end (12) of the drill, where...
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WO/2001/015844 |
A centering feature (230) on a drill bit (110) configured without a pointed tip, formed as an opening (230) between first (206) and second (208) relatively angularly inclined portions of a work engaging end (116) of the drill bit (110). ...
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WO/2001/010587 |
A drill bit which comprises a chuck end (4) of the bit, a shaft (5), cutting edges at a cutting end (7) of the bit, and a means at the cutting end of centring, characterised in that additional cutting edges are provided at least at one f...
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WO/2001/008840 |
The invention relates to a drill bit comprising a drill bit shaft (1), a cutting insert (2) which is detachably fixed thereto and which forms the tip area of the drill bit, and comprises a flute (3) that continues into the cutting insert...
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WO/2001/008841 |
A cutting tool enhanced in machining precision, product precision and machining performance, wherein a slit is provided in the tip end of a holder so as to pass the center thereof and a chip having edges symmetrical with respect to the c...
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WO/2001/007189 |
The present invention relates to a drill unit with a drill (1), having a cooling channel (2), and with a device for supplying cooling fluid to the cooling channel of the drill. According to the invention the drill (1) comprises three tee...
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WO/2001/006070 |
A fastener of hole-in anchor type buried in an existing concrete structure having been drilled, wherein, before execution, a sleeve (2) and a plug (3) pressingly fitted thereto are positioned through an engagement of a protruded part (7)...
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WO/2000/078487 |
The present invention relates to a support pad (1; 1')/guide bar (3; 3'), which is intended to be mounted in a seat on the cutter head of a deep hole drill, said support pad (1; 1')/guide bar (3; 3') having a longitudinal direction (L) a...
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WO/2000/078489 |
The present invention relates to a deep hole drill, which comprises a cutter head (1) as well as a connecting part (3) integrated with the cutter head (1) which part has a thread (5), said cutter head (1) being equipped with a chip remov...
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WO/2000/076705 |
In order to improve the service life of said tool, the spigot (4) of the shank (2) and correspondingly the bore hole (6) of the knife head respectively comprise a threaded area (7) and a press-fit area (8), whereby a positive and a non-p...
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WO/2000/074870 |
The present invention relates to a method and a device for manufacturing a tool and a tool according to the method. The device shall be mounted to a machine for extrusion of a tool for chip removing machining. The device (20) comprises a...
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WO/2000/074585 |
The invention concerns a security device comprising a stop member for a rotary drilling instrument used in particular in dental surgery, said stop member capable of being positioned at a desired depth of drilling and preventing said dept...
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WO/2000/073005 |
The present invention relates to a device for drilling a conical area in the innermost part of a previous drilled cylindrical hole. The invention provides a safe and durable fastening for screws and bolts. The device is suitable for dril...
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WO/2000/073006 |
A composite drill bit (10) comprising a shank member (12) having a bore (18) disposed therein and an insert (26) which is disposed within the bore (18) such that a portion of the insert (26) protrudes from the shank member (12). The inse...
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WO/2000/071287 |
The tool (180) comprises a shank (182), a tool formation (186) on an outer end of the shank (182), and a spline formation (184) at an inner end of the shank (182). In some embodiments the shank (182) also has a polygonal formation (188) ...
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WO/2000/067939 |
The invention concerns a helical drill made of single-cast hard metal carbide comprising a shank, a body (2) with two helical cutting lips (5), diametrically opposite and separated by flutes (6), and a tapered head (3), and two oil holes...
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WO/2000/061323 |
The invention relates to a drilling tool which is suitable for dry machining boreholes in all materials which can be rapid machined. When drilling tools are used with this type of cutting assembly on computerised numerical control machin...
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WO/2000/058046 |
The invention relates to a drill comprising a body (1) and an exchangeable cutting insert (3) which is located in a cavity (4) which is open towards the drill tip (16) and passes through the body perpendicular to the longitudinal axis (2...
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WO/2000/056490 |
A drill blank (10) including a hollow shank (12), and a flute area (14) extending forward from the shank (12). The shank (12) and the flute area (14) are preferably made from tungsten carbide.
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