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WO/2012/129584A1 |
An abrasive cutting-off wheel having an abrasive cutting-off ring (1), the abrasive body (10) of which has bonded abrasive agents, wherein the abrasive cutting-off ring (1) is fixed, in the operational state, by two circular clamping dis...
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WO/2012/127507A1 |
A method for manufacturing abrasive grinding wheels (1), which consists in: forming a disc-like blank (2) that comprises an abrasive mix and at least one reinforcement net embedded in the mix or laterally adjacent thereto; heating a fema...
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WO/2012/117571A1 |
This cutting blade is formed from at least one layer and has, as the filler disposed within a bond part (2) in a dispersed manner, a filler (4) containing a three-dimensional structure crystal (4a) in which needle-like parts extend in fo...
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WO/2012/079105A1 |
The invention relates to an apparatus (1) comprising a tool which can be driven in rotation, and has a round opening (4), and also a mounting element (3), wherein the tool is fixed on the mounting element (3). According to the invention,...
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WO/2012/078462A1 |
A system (200) for grinding surgical needles (174) made of refractory metal alloys such as tungsten - rhenium alloys includes a rotatable grinding wheel (120A, 120B) having a grinding surface (170A, 170B), a layer of a binding material (...
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WO/2012/077535A1 |
Provided is a grinding wheel (1) comprising a disc-shaped disc member (10) and an annular grindstone member (20) fitted to the outside of the outer peripheral surface (10C) of the disc member (10). A first liquid supply hole (12A) is for...
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WO/2012/073854A1 |
The disclosed super hard alloy baseplate outer circumference cutting blade is formed from a super hard alloy and has a cutting blade part on the outer circumferential edge of a thin circular ring-shaped baseplate. The cutting blade par...
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WO/2012/073855A1 |
The disclosed super hard alloy baseplate outer circumference cutting blade is formed from a super hard alloy and has a cutting blade part on the outer circumferential edge of a thin circular ring-shaped baseplate. The cutting blade part ...
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WO/2012/073638A1 |
The present invention jets a coolant supplied from an end of a tool rotating shaft from the outer peripheral surface of a grindstone to thereby enable grinding work using the coolant at any position in a device. A machine tool is configu...
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WO/2012/068082A1 |
A convolute abrasive wheel formed from a spirally wound nonwoven abrasive web. The nonwoven abrasive web including a make coat and abrasive particles having a Vickers indentation hardness of at least 16 Gpa and a toughness of at least 3....
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WO/2012/059287A1 |
A grinding and/or cutting tool for a machine tool with an oscillating drive has a holder part for connection to a tool shaft and a main removal element for machining a workpiece, which element is formed as a hollow body and a cavity of t...
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WO/2012/028504A1 |
The invention relates to a grinding tool for grinding, in particular for cut-off grinding or for rough grinding, in which the abrasive grain is bonded in a mixture containing a plastic, in particular a synthetic resin, wherein the mixtur...
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WO/2012/024267A2 |
A method of grinding a superabrasive workpiece includes placing a bonded abrasive article in contact with a superabrasive workpiece, wherein the bonded abrasive article comprises a body including abrasive grains contained within a bond m...
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WO/2012/024277A2 |
An abrasive article including a bonded abrasive having a body formed of abrasive grains contained within a bond material, wherein the body grinds a superabrasive workpiece having an average Vickers hardness of at least about 5 GPa at an ...
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WO/2012/006017A2 |
A nonwoven abrasive wheel comprising one or more layers of a nonwoven fiber web, a plurality of super abrasive particles having a Vickers hardness greater than 40 GPa, a polyurethane binder adhering the plurality of super abrasive partic...
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WO/2012/000647A1 |
The invention relates to a dimensionally stable and rotationally symmetrical tool support (7, 15, 23) which is reinforced with natural fibers, which can be connected to a rotary drive, and which has at least one tool bearing surface (9, ...
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WO/2011/116827A1 |
A segmented cutting disc, in particular a diamond cutting disc, having a disc body 1 and having cutting segments 2 distributed over the circumference of the disc body 1, wherein the disc body 1 defines a central cutting plane 4, and wher...
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WO/2011/092021A1 |
In a first aspect, the invention relates to a grinding body (1) made of a compacted and sintered material. In particular, the invention relates to a grinding body (1) that has additional particles (4), in particular additional particles ...
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WO/2011/082261A2 |
An article includes a packaging material comprising a self-supporting wall having a water vapor transfer rate of not greater than 0.001 g/m2-day. The packaging material defines an enclosed volume. The article further includes a bonded ab...
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WO/2011/080328A2 |
The invention relates to a roughing and/or cut-off wheel for machining workpieces and/or separating workpieces, wherein the roughing and/or cut-off wheel (1) has a hardened body (2), wherein the hardened body (2) has at least a granular ...
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WO/2011/072298A2 |
An abrasive article for use with a grinding wheel including an abrasive body having abrasive grains contained within a matrix of bond material, the abrasive body having a plurality of arm portions defining a twisted path having a plurali...
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WO/2011/067074A1 |
The invention relates to a system for cutting objects, comprising a driven spindle (2) and a cutting wheel (1, 1a) bent at an angle with a central bore which is surrounded by a retaining region, said retaining region being recessed with ...
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WO/2011/064647A1 |
A tool (1) or mill for grinding glass comprised of an elongated cutting mill body (2) having a first portion (3) intended to be coupled to a base, which preferably allows it to rotate around a longitudinal axis (K) and a second portion (...
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WO/2011/042462A1 |
The invention relates to a reducing ring having a reducing segment 6 comprising an outer diameter for inserting in the central hole of a cutoff grinder grinding disc 3 and an inner diameter for centering relative to the centering area 4 ...
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WO/2011/037333A2 |
The present invention relates to a cylindrical abrasive brush used for the abrasion of a metal plate or a non-metal plate, and more particularly, for the abrasion of a printed circuit board (PCB). The cylindrical abrasive brush is charac...
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WO/2011/036104A1 |
An abrasive disc for a multiple disc grinding machine is described, comprising a disc-shaped support (Ia) having a circumferential rim (4) on which the abrasive material is placed and an opposing central hole (7) for fitting on to a driv...
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WO/2011/028010A2 |
The present invention relates to machining tips that are mounted on a rotating machining tool so as to perform a machining operation such as cutting, grinding, drilling or the like, in which diamond particles are arranged to have predete...
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WO/2011/029106A2 |
Wear indicators for abrasive articles are presented. Specifically, indicator marks that are parallel to a bonding edge of a grinding element are presented. Tools comprising a carrier element and one or more grinding elements comprising o...
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WO/2011/028561A2 |
Disclosed are a cutting wheel composition, and a cutting wheel using the cutting wheel composition. The disclosed composition includes 50 to 85wt% of abrasive particles, 10 to 25wt% of binder resin, and balance filler, wherein the binder...
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WO/2011/017356A2 |
An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size ...
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WO/2011/017358A2 |
An abrasive tool has a body including an abrasive portion having abrasive grains contained within a matrix material, and a first reinforcing member contained within the abrasive portion, wherein the body comprises a porosity variation di...
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WO/2011/002881A1 |
An abrasive article with an array of independently gimballed abrasive members that are capable of selectively engaging with nanometer-scale and/or micrometer-scale asperities on the surfaces of substrates. Each abrasive member maintains ...
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WO/2010/149718A1 |
Segment cut-off wheel for machining workpieces made of metal, and particularly cast metal, comprising a metal steel blade 1 and segments disposed on the circumference of the steel blade 1, wherein the outside edge of the segments 2 is pr...
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WO/2010/151039A2 |
A machining wheel is disclosed. The machining wheel comprises a metallic disk and diamond abrasive particles attached to the edge surface of the disk. A plurality of through-holes are formed in an edge portion of the disk so as to penetr...
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WO/2010/126934A2 |
An abrasive article with improved grain retention and performance and method of making are disclosed. The abrasive article with improved grain retention results in an article with improved performance and longer article life.
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WO/2010/100073A1 |
The invention relates to an abrasive point for machining work pieces made of metal, in particular of cast metal, having a base body with a grinding region effective on the outer surface for grinding the work piece and a shaft for clampin...
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WO/2010/096844A1 |
A grinding tool (1), comprising a carrier (2) and a plurality of cutting elements (3), wherein the cutting elements (3) have an installation side (4) and an opposing wear side (5) and are connected with the installation side (4) to the c...
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WO/2010/078191A2 |
Bonded abrasive tools, e.g., grinding wheels, can be reinforced using, for instance, one or more fibreglass web(s) having a surface of glass per unit of at least 0.2. Alternatively or in addition, the fibreglass web has a thickness of 2 ...
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WO/2010/077509A1 |
Abrasive particles comprising shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a sidewall and having a maximum thickne...
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WO/2010/075091A2 |
An abrasive tool including a bonded abrasive article including a bond material comprising a metal or metal alloy, abrasive grains contained within the bond material, and a reaction agent dispersed within the bond material, wherein the re...
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WO/2010/027333A1 |
The present invention describes electro formed thin-wall nickel cutting saws or blades (20) and core drills that are impregnated with diamond abrasives. The thin-wall saws and core drills are formed with a plurality of raised portions (2...
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WO/2010/013580A1 |
Provided is a vitrified grindstone which, when used in grinding a work, causes no grinding burn to that part of the work where a grinding fluid is less apt to come into the space between the work and the grindstone, and which does not ca...
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WO/2010/013278A1 |
A grinding wheel is described, particularly for grinding work at a high feed speed, comprising a discoid body (2) between the axially opposed faces (2a, 2b) of which an outside wall (4) of cylindrical profile is defined, bearing the abra...
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WO/2010/010069A1 |
A clamping device for removably fastening a part to a shaft comprises a clamping nut (2) for clamping the part, said nut being able to be screwed onto the shaft, and an annular load piston (3) for sitting against the part, wherein a pres...
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WO/2009/138114A1 |
A roughing grinding wheel (1) comprises a plurality of index plates (8), which are level in design, are disposed closely on top of each other in an outer work region (13) without being connected and without being laminated, are tightly c...
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WO/2009/138435A1 |
A cup wheel for a grinding tool for use in grinding semiconductor substrates is presented herein, the wheel comprising: a hub having a pair of opposing faces and a peripheral rim linking said faces; and at least one grinding segment moun...
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WO/2009/129389A1 |
Embodiments of the invention can provide systems and methods for treating grinding wheels and bonded abrasive tools. A process in accordance with an embodiment of this invention is a cryogenic thermal cycling process for grinding wheels ...
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WO/2009/113734A1 |
A rotatable cutter comprises a base plate 2 and a chip 4 fixed on the base plate 2. The chip comprises an abrasive grain layer containing abrasive grains 10, a joining layer joining the abrasive grain layer to the base plate 2, and a met...
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WO/2009/107274A1 |
[PROBLEMS] To provide a sharp-edge grinding wheel, which can reduce damage to a workpiece and can maintain good cutting properties for a long period of time, and a process for producing the sharp-edge grinding wheel. [MEANS FOR SOLVING P...
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WO/2009/107272A1 |
[PROBLEMS] To provide a sharp-edge grinding wheel which has a prolonged service life and can maintain good cutting properties for a long period of time. [MEANS FOR SOLVING PROBLEMS] Abrasive grains (2) are dispersed and disposed in a met...
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