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WO/2012/150743A1 |
The present invention provides a blade grinding system to be mounted on a compact car, comprising: a grinding apparatus in which a motor and a grinding stone are directly connected without a reduction gear so as to reduce the loss of bat...
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WO/2012/147734A1 |
The grinding surface (19) of a grinding stone (8) is formed from a circular conical surface, a drive device for rotation is installed within a housing (5), and the blade of a cutting tool is ground while the longitudinal direction of the...
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WO/2012/143755A1 |
A sharpening device for cutting blades comprises a support shell (2), at least two rollers (3, 4) rotatably mounted to said shell (2) for rotating about respective substantially parallel first rotation axes (R, R') and offset along a fir...
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WO/2012/114486A1 |
A machining datum point detecting apparatus detects a first mark (70) formed on a V block (18) of a grinder on which a rotating tool (13) is held as a workpiece by using an image pickup device and a control device. Next, the machining da...
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WO/2012/107772A1 |
A grinder for sharpening the blades of reel mowers automatically to grind the underside of the blade of the reel mower.
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WO/2012/097664A1 |
Provided is a drill bit grinder, comprising a grinding wheel, a rotating component and a housing; the grinding wheel and the rotating component are disposed inside the housing; the grinding wheel is connected to the rotating component an...
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WO/2012/097137A2 |
A system for sharpening circular, knife edged blades operates to bias an infeed grinding wheel into contact with the first edge of the blade and an outfeed grinding wheel into contact with the second edge of the blade. The grinding wheel...
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WO/2012/091670A1 |
The present invention relates to a force controlled grinding robot system for sharpening blades of cutting tools, wherein each blade (101) has a length, a thickness and a height, the force controlled grinding robot system comprising a ro...
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WO/2012/058561A1 |
Apparatus, systems and methods related to sharpening blades for rotary cutters. In one illustrative embodiment, a power sharpener system secures a rotary cutting blade between upper and lower columns that form a rotating axle in contact ...
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WO/2012/013966A1 |
A portable sharpening apparatus is described. The sharpening apparatus includes a body portion and a cavity formed in the body portion for receiving an object to be sharpened. A rotatable abrasive drum capable of sharpening and having an...
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WO/2011/157252A1 |
The invention relates to a shim (2) for supporting a reground indexable insert (1) with respect to a tool holder, wherein the shim (2) has an underside, resting on the tool holder, and an upper side (2a), facing the indexable insert (1)....
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WO/2011/158526A1 |
A formed cutter (1) comprises, at the tip side, a cutting blade section (2) whereon helical teeth (6) and helical grooves (8) are alternately formed. The cutting blade section (2) rotates centering on a rotation axis (O), thereby perform...
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WO/2011/132868A2 |
The present invention relates to a portable scissor sharpener, which comprises: a portable grinder body having an empty space defined therein; an installation groove which is cut perpendicularly to the front of the body and is slantingly...
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WO/2011/112924A1 |
A knife sharpener sharpens a wide range of knives and blades. The knife sharpener includes an angle guide associated with a first stage abrasive surface at an angle in the range of 12-18 degrees. A second stage is provided at an angle in...
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WO/2011/097109A2 |
A method for manufacturing a drill bit (1), wherein in a first step the chip flutes (12) are ground into a round rod, in a second step the round rod is ground down to its outer diameter (15, 16) with simultaneous grinding of the drill-bi...
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WO/2011/095344A1 |
Drilling tool comprising at least two flutes (3a, 3b) and a chisel edge (8) having an end reduction (2), wherein the end reduction (2) merges continuously with the flutes (3a, 3b) in such a way that it forms the end of the respective flu...
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WO/2011/089761A1 |
The disclosed system includes a personal computer (10) having correction coefficients (α) for the correction of errors in the tooth profile and correction coefficients (β) for the correction of meshing positions, the correction coeffic...
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WO/2006/044466A9 |
The invention is directed to a method for polishing a cutting edge on a cutting instrument, comprising contacting a cutting edge of a cutting instrument with a polishing pad and a chemical-mechanical polishing composition comprising part...
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WO/2011/068401A1 |
A sharpening device for sharpening the cutterhead (3) of a woodworking device (8), including a grinding tool (96), a two bearings (91, 98) at a distance and two adapter parts (1, 2) including shafts (10, 20) for placement in the bearings...
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WO/2011/059415A1 |
Sharpening machine (5) for sharpening cutter blades (8) comprising a base plate (7), a guide rail (6) and a sharpening stone (3) connected to a drive mechanism (1), said base plate (7) having a guide groove (25) for interacting with said...
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WO/2011/036439A1 |
A method of manufacturing a multi-tooth fir-tree or bulbous form milling cutter, by the grinding of a blank with a grinding wheel, wherein, a flat clearance angle Θ of between 0° and 20° is generated on each tooth (13) by the path (14...
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WO/2011/038093A1 |
A multi-axis computer controlled machine tool for relief grinding of single and multiple start threaded hobs (46). The machine comprises an angular oriented spindle (65) that can be angularly (swivel) positioned thereby providing the fle...
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WO/2011/017185A1 |
A sharpener for creating cross-grind knife edges includes a nominally flat annular abrasive sharpening member which could be a ring or a disk and is rotated about its center and held against a moving knife edge facet to simultaneously an...
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WO/2011/008804A1 |
A ruler has a body with a forward surface and a side surface defining a straight line. An elongate member having an abrasive outer edge is positioned along the side surface. The abrasive edge assists in sharpening a cutting tool moved al...
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WO/2011/007217A1 |
The present invention relates to a device for sharpening one or more cutting edges (51) of a dental curette (50). It has a base support (2), on which there is articulated a frame (3), and at least one sharpening guide (4, 40). Said frame...
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WO/2010/148430A1 |
The invention relates to a blade sharpening and storing device. The device includes a hollow housing for receiving and storing a blade and an access opening at an end of the housing through which the blade can be moved longitudinally to ...
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WO/2010/139986A2 |
Apparatus for sharpening the rotatable blades of a cylinder mower is disclosed. The apparatus includes at least one clip (2) and an elongate member (1) with an abrasive surface (4) on one side and, on the other side, location means such ...
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WO/2010/102415A1 |
A hand tool grinding jig for use with a grinding machine includes a tool clamp for clamping a tool such as a gouge, this clamp having a first leg and arcuate second leg spaced from the first leg. These legs are formed with holes for pass...
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WO/2010/101507A1 |
A grinding wheel for treatment of a cutting edge, such as a knife's edge, the grinding wheel arranged mountable on a rotatable shaft to be brought in rotation by the driven rotation of the shaft, and comprising two grinding discs (1>2) o...
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WO/2010/094267A1 |
The invention relates to a knife-guiding device (2) for a knife-grinding device having a grinding disc (7), said knife-guiding device comprising an abutment body (11) for bearing a blade (15) of a knife to be ground, wherein the abutment...
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WO/2010/091532A1 |
A knife grinder (100) comprises a housing (110), wherein a grinding mechanism is arranged. A magnetic body (140) is arranged under the grinding mechanism to attract metal scraps. Since the magnetic body is arranged under an opening (120)...
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WO/2010/081734A2 |
The invention relates to a stamped sheet metal for stamping one- or multi-layered materials, such as labels, envelopes or stickers, comprising a stamping body having at least one stamping edge, wherein the stamped sheet metal can prefera...
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WO/2010/057337A1 |
A knife grinder (1) has an emery wheel (600) for grinding a knife, fixtures (100A, 100B) for fixing a knife, and a T-type hole sleeve (200) whose end is inserted in a jack and another end is provided with an external flange (202). Clip s...
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WO/2010/047431A1 |
The present invention relates to cutting tools and a method for treating a surface thereof. The present invention provides a method for treating a surface of a cutting tool, the method including blasting the surface of the cutting tool u...
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WO/2010/007171A1 |
Sharpening machine for sharpening cutting blades, in particular knives and the like, designed as an independently operating small-sized device, preferably for use in the home, but also for use in commercial areas, and wherein the knife, ...
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WO/2010/007685A1 |
A method of adjusting a machine tool. The method adjusts the machine tool so that, in ultra-precision machining of round bar-like work (W), the machine tool can rotate the work (W) while suppressing run-out of the axis of the work (W). I...
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WO/2010/003229A1 |
A clamping means for a bit holder fixture for use with a grinding apparatus for grinding the hard metal inserts of rock drill bits is provided. The clamping means has a quick positioning adjustment to bring a pressure plate against the b...
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WO/2009/157867A1 |
A device for sharpening a twist drill pointby means of a rotating grindstone (12) in a grinding machine comprises a base plate (14) lockably articulated around an axis parallel with the axis of the grindstone (12), a drill holder (16) fo...
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WO/2009/134193A1 |
A grinding apparatus comprising at least two oppositely arranged series of surfaces (Ia- Ic; 2a-2c) in slanting relative orientation and alternately overlapping each other, forming this way a groove into which an edge or cutting edge is ...
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WO/2009/117491A2 |
A rotary abrasive tool comprising an abrasive arranged in a predetermined pattern around a periphery of the rotary abrasive tool to simulate saw teeth, and a method of manufacturing such rotary abrasive tool Preferably, a single layer of...
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WO/2009/114507A2 |
A wide range of knives and blades, including Western, Asian or traditional Japanese style blades that have a primary edge facet on at least one side of the knife edge are sharpened through use of an electric knife sharpener having a firs...
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WO/2009/083192A1 |
The invention relates to a method for sharpening at least one cutting edge (2) of at least one cutting blade (1) of a cutting tool, characterized by the following steps: a) placing the cutting blade (1) onto a microfiber cloth (9); b) sp...
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WO/2009/068441A1 |
The invention relates to a method for producing a gear rack, particularly for a steering system in a vehicle, wherein a running surface is ground onto the gear rack by a grinding disc. The gear rack executes an axially oscillating motion...
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WO/2009/053013A1 |
A cleaning article (1), having a base body (2) comprising a base of regenerated cellulose reinforced with cotton fibers, is characterized in that the base body (2) is provided at least on one side with an abrasive layer (3).
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WO/2009/045142A1 |
This invention relates to a grinding appliance for grinding of button drill bits which comprise a drilling head with a plurality of buttons, and a method for manufacturing such a grinding appliance. The grinding appliance comprises a fir...
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WO/2009/027939A2 |
The part to be machined (2) is attached so that its axis lies in a position exactly determined relative to the base of the machine (1) and to the pedestal (3) due to the flanges (8) and the rear face (9) of the V formed on the pedestal, ...
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WO/2009/027940A1 |
According to the invention, the pin (6) is rotated by the motor (5) via the belt (10) and the pulley (11) that is precision-held on the fixed bushing (13). It comprises a pin arm (16) whose solid rear portion (20) rotates in the bushing ...
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WO/2009/025197A1 |
Provided is an end mill capable of improving the anti-defectiveness of cutting blades thereby to elongate the lifetime and preventing a milling object from generation of burrs so that a satisfactory milling operation can be performed. In...
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WO/2009/007231A1 |
The grinding device (1), in particular for grinding and/or sharpening knives, comprises a first and a second driven endless grinding belt (2, 3) with an abrasive surface (2d, 3d), wherein each endless grinding belt (2, 3) is guided and h...
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WO/2008/133581A1 |
The invention concerns a method for grinding button drill bits, in which an abrasive wheel is used to restore the original form of a button in a button drill-bit. The grinding is carried out according to the invention at a temperature in...
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