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WO/2001/030539A1 |
The present invention relates to a honing method and apparatus which provides greater control over the edge shape, as well as reductions in the effort required to hone multiple edges on workpieces. The invention accomplishes these improv...
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WO/2001/028740A1 |
An apparatus (10) for verifying the identity and geometry of drill bits, re-sharpening the cutting tip of a drill bit and re-positioning a locating ring upon the shank portion of the drill bit. The apparatus comprises a housing having a ...
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WO/2000/078505A1 |
The invention relates to a grinding wheel for grinding a blade, on the surface of which ions are deposited by means of a plasma-supported method and containing silicon carbide as abrasive medium with a grain size ranging from 100 to 500 ...
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WO/2000/069596A1 |
Device (10) to sharpen disk blades (36) equipped with a cutting edge defined by at least a chamfer made on one side of the disk, comprising a mandrel body (12) suitable to couple with at least a grinding wheel (20) and equipped with moto...
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WO/2000/067949A1 |
A skate blade sharpening machine includes an adjustable full-width dressing wheel (75) rotated by a separate electric motor (77) against the grinding wheel (13) of the skate sharpening machine.
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WO/2000/050193A1 |
The present invention is a device (10) for storing and selectively sharpening a knife (16). The present invention includes a scabbard (12) with opposing first (20) and second (18) ends. An opening is defined in the first end (20) and a p...
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WO/2000/047367A1 |
The present invention relates to a grinding tool for grinding buttons of a rock drill bit, a grinding cup, a grinding spindle and a method to mount the grinding cup on a grinding spindle. The grinding tool (10) comprises a rotatable grin...
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WO/2000/044530A1 |
A universal sharpening apparatus for sharpening a tool includes a grinding wheel assembly (14) and a universal clamping system (18) for clamping the tool rigidly in any of a wide range of spatial relations to the grinding wheel. The univ...
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WO2000007769A9 |
A knife sharpening machine (1) has sharpening and honing assemblies each having fixed (8) and movable (9) subassemblies with circular stones (120, 121) mounted on shafts (70, 73), the stones being spaced from one another. An adjusting me...
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WO/2000/043160A1 |
A portable grinding machine for grinding or restoring a relief angle (34) onto the rotary blades of a grass mowing machine in a transverse reciprocal movement the grinding machine comprising a blade support means for automatically mainta...
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WO/2000/040367A2 |
In a typical embodiment of the present invention, a sharpener assembly which is mountable on a food slicer and a base assembly is provided. The sharpener preferably includes two abrasive stones (52A, 52B) which opposingly engage the fron...
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WO/2000/030811A1 |
The invention relates to a device for sharpening knives, scissors or other cutting tools with at least one abrasive grinding element (2) which is arranged in a housing (1) pushing against a resilient force. The aim of the invention is to...
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WO/2000/023227A1 |
A hand scaler polishing unit adapted to repair a hand scaler by polishing the same with a grindstone, comprising a base member having a base surface forming an angle with a horizontal plane, a member to which a grindstone is fixed, and a...
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WO/2000/013850A1 |
The invention relates to a device for grinding the flats of a card, comprising elastic, flexible elements which penetrate between the clothing points, scan the lateral surfaces of said points and grind same in the process. Additional gri...
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WO/2000/013848A1 |
A CNC tool grinding machine has at least one rotatable grinding wheel (1) movable relative to a workpiece (2) for grinding a flute surface (3) of a blade in the workpiece (2). The machine is programmed with a path for the grinding wheel ...
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WO/2000/000325A1 |
The present invention relates to a fixture and a grinding machine for grinding buttons of a rock drill bit. The fixture (18) comprises means (20, 25, 26) for holding the drill bit in a horizontal plane in a correct position relative to a...
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WO/1999/067036A2 |
A grinding wheel (28) that rotates around an axis and that has a working area consisting of a ring area with a circular arc profile is used to create a surface by initial grinding with the ring surface oriented at a first point in space ...
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WO/1999/059777A1 |
A completely automated apparatus for verifying the identity and geometry of drill bits, re-sharpening the cutting tip (12) of a drill bit (16) and re-positioning a locating ring (22) upon the shank portion of the drill bit subsequent to ...
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WO/1999/058296A1 |
A system to smooth and radius a microhole in a workpiece to calibrate the microhole. The workpiece is held in an indexable holder (28), which moves the workpiece through a series of calibrating, abrasive jet, and cleaning stations.
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WO/1999/039868A1 |
A device for grinding a rotary mower blade (16), the device comprising an adjustable support for receiving a rotary mower blade, means for fixing the blade relative to the support, means for feeding the support and blade both axially and...
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WO/1999/036224A1 |
A method and apparatus (10) for grinding a knife blade (66) to form a sharpened edge. The blade (66) is held in a fixture (56) including a self-centering clamp (57) with a pair of jaws (96, 98) gripping the knife blade (66) by engaging o...
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WO/1999/036227A1 |
Disclosed is a device for dressing a grindstone (1) to polish the running surface structure of a ski. Said device comprises a rotating drive (7) for the grindstone (1), a planing tool (2) with at least one cutting insert that can be plac...
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WO/1999/028082A1 |
A drill polishing device which is capable of polishing a candle-shaped drill requiring Z type thinning, and comprises a grindstone, a drill holder, a drill adjustment base, a drill grinding base and a drill thinning base. A polishing sur...
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WO/1999/022899A1 |
The head of a work piece (46) is allocated to a work piece holding device (82) on which a work piece (10) can be arranged in such a way that the tips of the teeth (18) of a cutting tooth (12) that is to be machined are located in a stati...
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WO/1999/022898A1 |
The head of a work piece (46) is allocated to a work piece holding device (82) on which a work piece (10) can be arranged in such a way that the tips of the teeth (18) of a cutting tooth (12) that is to be machined are located in a stati...
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WO/1999/016569A1 |
A touch-sensing device (60) is used to determine the spacing of the cutting teeth (12) of a workpiece (10) in relation to a workpiece holder (44), said touch-sensing device (60) being in a measuring position reached by the tip (18) of a ...
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WO/1999/011428A1 |
The invention relates to a sharpening device (1) for sharpening cutting edge tools (11) and the like, comprising two sharpening elements (3) arranged, at a distance from each other in the axial direction, for rotation on a shaft (4) exte...
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WO/1999/006180A1 |
A method of treating a cutting edge of a tool to reduce deterioration of the cutting edge during a subsequent machining operation. A brush having a plurality of bristles is rotated about an axis of rotation and positioned relative to the...
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WO1999002303A1 |
A dental curet and sharpening machine system has been developed for convenient, accurate, and rapid sharpening of dental curets. Curets comprising a cutting blade, shank, and handle have been designed so that, regardless of the instrumen...
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WO/1998/038017A2 |
A strenghtened blade for a shaving razor including a generally flat blade member having a width along a width axis (W), a length along a transverse length axis (L), and smaller dimensions along a thickness axis (T) that is normal to both...
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WO/1998/033624A1 |
A honing tool for machining workpieces, specially metal workpieces, by cutting, e.g. grinding, polishing, or honing, comprising at least one stock-removing tool portion with one or more cutting surfaces, wherein at least said cutting sur...
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WO/1998/033625A1 |
A tool for machining workpieces, specially metal workpieces, by cutting, e.g. grinding, polishing, milling, separating or honing, comprising at least one stock-removing tool portion and whose machining range consists of a composite mater...
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WO/1998/031517A1 |
The invention relates to a device for rotational cutting of band-shaped material, comprising a rotational cutting cylinder which is fitted with at least one cutting edge and a counter-tool (2), wherein the band-shaped material is passed ...
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WO/1998/024591A1 |
This invention concerns a sharpening stone surrounded by a handle. The sharpening stone can be inserted into or slid out of the handle and arrested at any point between the end points by means of a locking device. Thus, the sharpening st...
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WO/1998/014307A1 |
A superabrasive tool such as a superabrasive grinding wheel (101; 102), a superabrasive dresser (103; 104; 105), or a superabrasive lap plate (106) has a steel base (20) and a superabrasive layer (10) formed on the base (20). The superab...
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WO/1998/004379A1 |
A swivelling body (22) which can swivel on a machine frame (20) defines a lifting axis (D) transversal to its swivelling axis (A) along which a lifting carriage (24) can slide past the swivelling body (22). A tool carriage (26) can be ad...
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WO/1998/004384A1 |
A device for post-machining a steel edge (14) of a ski (15) with the help of a cup-shaped grinding wheel (1) driven by a motor (2) and having an axis of rotation running transversely to the direction of feed (8), is described. In order t...
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WO/1998/001259A2 |
A precision drill sharpener and grinding wheel assembly is provided, as is a corresponding drill chuck for use with the drill sharpener, in which the drill sharpener includes a lever and spring clip alignment subassembly for properly pos...
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WO/1998/000264A1 |
A tool holder (16) holds a cutting tool (10) in a center plane (O). Two working units (26), which each have a rotary drive cutting disk (50), are positioned to either side of the center plane (O) and are movable such that they can work o...
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WO/1997/047431A1 |
The invention relates to a particularly space-saving device in an embodiment which is also suitable for semi-automatic or fully automatic production. Said device machines, in particular grinds, side surfaces of elongate objects (2) on at...
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WO/1997/041975A1 |
A method and abrasive blast medium for cleaning contaminants from electronic hardware. The abrasive blast medium is a pure, water soluble alkaline salt of bicarbonates and carbonates. The particle size of the alkaline salts range from ab...
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WO/1997/035686A1 |
A method of, and apparatus for, treating an elongate rotary tool (22) that presents a sharp cutting edge (30) are described. The method includes the steps of emitting under pressure from a nozzle (60) an abrasive fluid stream comprising ...
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WO/1997/033717A1 |
A grinding device for, among other things, knives (1), comprising a rotatable emery grinder (2) and a relatively thereto swingable stand arm (4), which at its free end has a groove (12) for displaceably receiving and fixing the knife bla...
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WO/1997/028919A1 |
An indexable cutting insert for metal machining comprises a rake surface (5), a bottom surface (6) and side surfaces (7) that extend between said two surfaces, cutting edges (10) being formed at the transitions between the side surfaces ...
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WO/1997/022440A1 |
An adapter (10, 110) for use with a powered grinding tool having a driven grinding wheel (13) has a pivotally movable mounting part (16, 128) on a body thereof, and a drill bit holder (15, 116) engageable with the mounting part in either...
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WO/1997/007932A1 |
An implement working adapter (10) has a casing (11) within which is a pulley-drive system for transferring drive from a powered grinding tool, with which the adpater is engaged, in use, to a pair of first and second grinding wheels (18, ...
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WO/1997/007930A1 |
A method of truing cutting tools of the type comprising a plurality of stick-type cutting blades (3) releasably secured in a cutter head (2), the cutting blades having a cutting edge (12) and a cutting side relief surface (8) oriented at...
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WO/1997/005988A1 |
A portable electric skate sharpener has a motor body (25) made to accept grinding, honing and conditioning heads (26) to fit various blade types and to perform various finishing operations upon the blade. The appropriate head is fitted t...
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WO/1997/004909A1 |
Apparatus is described for surface finishing complex and simple surface shapes by abrasion of select zones of the surface, leaving contiguous zones unfinished. The apparatus (50) is simple in construction and requires little in training ...
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WO/1996/040472A1 |
Method and apparatus for forming the longitudinal edges (66) of stacks of razor blades (60) by conveying the stacks of razor blades along a conveying path (28) in a vacuum chamber (34) past material deposition and material etching statio...
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