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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/2012/061033A2 |
A method of making shaped ceramic abrasive particles includes cutting a layer of ceramic precursor material using a laser beam and forming shaped ceramic precursor particles. Further thermal processing provides shaped ceramic abrasive pa...
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WO/2012/054283A1 |
A functional particle transfer liner is provided that includes a release liner that has a release coating and a layer of functional particles disposed upon the release coating. The functional particles are free of abrasive particles and ...
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WO/2012/048120A1 |
An abrasive article includes a support, a first polymeric binder, a second polymeric binder, and abrasive particles. The support includes a plurality of nonwoven layers. A method of forming an abrasive article includes providing a suppor...
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WO/2012/046261A1 |
A process for obtaining a micro-pierced abrasive disc comprising the steps of: - providing a strip (1) of a composite material (2) comprising at least one layer of abrasive material (3) and one layer of loop (4) mutually coupled; - punch...
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WO/2012/040374A2 |
Superabrasive tools and methods for making and using the same are provided. In one aspect, for example, a CMP pad dresser includes a first monolayer of superabrasive particles disposed on and coupled to one side of a metal support layer ...
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WO/2012/037386A2 |
An abrasive brush includes a securing element and a plurality of abrasive filaments secured to the securing element to form a brush. Each abrasive filament includes a matrix of thermoplastic polymer and a plurality of alumina abrasive pa...
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WO/2012/031229A2 |
An abrasive article includes a body having abrasive grains contained within a bond material comprising a metal or metal alloy, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is the volume percent of abra...
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WO/2012/027263A2 |
A cutting table includes a cutting surface, an opposing surface, a cutting table outer wall, and one or more slots. The cutting table outer wall extends from the circumference of the opposing surface to the circumference of the cutting s...
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WO/2012/024884A1 |
A diamond grinding wheel with self-propagating and pressureless sintered metal bonding agents and the method for making the same are disclosed. The diamond grinding wheel comprises a working layer and a non-working layer, wherein the wor...
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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/2012/016120A2 |
Flexible abrasive articles and related methods are presented.
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WO/2012/010605A1 |
The invention relates to a method for producing a flap wheel (4) having a plate-shaped carrier, wherein a plurality of grinding flaps (7) overlapping in a shingle-like manner are glued to an annular carrier section (3, 5) that is centere...
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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/2012/000986A1 |
The invention relates to a cutting tool, in particular cutting wheels, and a method for producing the same. For the purposes of smoothing the surfaces (6a, 6b) and of sharpening the cutting edge (4), use is made of a method in which at l...
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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/2012/003116A1 |
Provided are abrasive articles in which the make layer, abrasive particle layer, and size layer are coated onto a backing according to a pre-determined coating pattern. All three components are generally in registration with each other, ...
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WO/2011/149625A2 |
Disclosed is a method of applying particles to a coated backing. A first layer of particles is created over a second layer of particles on a support surface and the first layer of particles is different in at least one property from the ...
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WO/2011/150326A2 |
An abrasive article includes a backing including first and second major surfaces, an abrasive layer disposed over the first major surface, and a back coat layer disposed over the second major surface. The back coat layer includes a polym...
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WO/2011/087649A9 |
Shaped ceramic articles can be obtained by screen printing the desired shapes from a dispersion of a precursor of the ceramic onto a receiving surface using a transfer assisted technique that applies a differential pressure, at least par...
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WO/2011/146697A2 |
The present disclosure provides a silicon carbide (SiC) bonded diamond compact having less than about 2 weight % unreacted Si and less than about 1 weight % graphite, as well as processes for making the same.
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WO/2011/139562A2 |
Ceramic shaped abrasive particles have four major sides joined by six common edges. Each one of the four major sides contacts three other of the four major sides. The six common edges have substantially the same length. Methods of making...
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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/2011/117244A1 |
Aggregate abrasive grains (10) for use in the production of abrading or cutting tools are formed. Each aggregate abrasive grain comprises an abrasive core particle and a plurality of abrasive peripheral particles disposed around the core...
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WO/2011/110947A1 |
The abrasive mixture for filling a mold cavity of a mold table is let to free fall off a distributing drawer travelling at a certain height above the mold table, being expelled through a transversal slot, practically at a constant rate a...
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WO/2011/101200A1 |
The invention relates to a method for producing a rotating disc for machining material surfaces, said disc comprising a disc-shaped main body (10), which has a central receptacle (14) for direct or indirect connection to a drive shaft, a...
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WO/2011/090686A2 |
A cloth backing for an abrasive article is treated by combining a phenolic resin, a latex and a colloidal silicon oxide composition to prepare a colloidal formulation, which is then applied to the cloth backing and cured. Coated abrasive...
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WO/2011/090681A2 |
A coated abrasive article includes a backing having a surface, a plurality of abrasive regions overlying the surface in each of the first and second portions, and at least one macro-channel. The surface of the backing has a shape defined...
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WO/2011/082377A2 |
An abrasive article includes a base, an abrasive member comprising three distinct phases bonded to each other including abrasive particles, a metal matrix, and an infiltrant. The abrasive article further includes a backing region between...
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WO/2011/082155A2 |
Polishing pads containing a phase-separated polymer blend, and methods of making and using such pads in a polishing process. In one exemplary embodiment, the polishing pads include a multiplicity of polishing elements integrally formed i...
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WO/2011/082156A2 |
Polishing pads including organic particulates in a continuous polymer phase, and methods of making and using such pads in a polishing process. In one exemplary embodiment, the polishing pads include a multiplicity of polishing elements i...
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WO/2011/079059A2 |
The invention relates to a method of making a grinding disk, comprising the steps of: providing a cap; providing an abrasive part; placing the cap on the abrasive part to form an assembly; holding the assembly and injecting a molding mat...
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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/2011/069005A2 |
An abrasive article includes an abrasive body having abrasive grains within a bond material, the abrasive body further including a spinel material disposed at an interface between the abrasive grains and the bond matrix.
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WO/2011/069006A2 |
An abrasive article including an abrasive body having abrasive grains made of microcrystalline alumina contained within a bond material, wherein the bond material comprises a total content of alumina of at least about 15 mol%.
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WO/2011/068724A2 |
A method of making a coated abrasive article includes the steps of: applying a make coat to a first major surface of a backing; applying shaped abrasive particles to the make coat to form a first abrasive layer consisting essentially of ...
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WO/2011/044507A2 |
An abrasive article having an abrasive body including abrasive grains contained within a bond material, wherein the abrasive grains comprise microcrystalline alumina, and wherein the bond material includes less than about 1.0 mol% phosph...
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WO/2011/037776A2 |
Abrasive articles and method of making said articles are provided. The articles include an integral resilient member having a first and a second opposed major surface where the member includes a centrally disposed core that is substantia...
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WO/2011/024086A1 |
The present invention relates to a method of obtaining a block tool (4), particularly for working stone materials, a block tool (4) for working both natural and artificial stone materials, and a support or base element (7) for a block to...
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WO/2011/020105A2 |
An abrasive article comprising an elongated body, a bonding layer overlying a surface of the elongated body, and abrasive grains contained within the bonding layer at an average abrasive grain concentration within a range between about 0...
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WO/2011/020109A2 |
An abrasive article includes an elongated body, a bonding layer including a metal overlying a surface of the elongated body, and a coating layer including a polymer material overlying the boding layer. The abrasive article further includ...
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WO/2011/017022A2 |
A coated abrasive article comprises an abrasive layer secured to a backing. The abrasive layer comprises abrasive particles secured by at least one binder to a first major surface of the backing. A supersize is disposed on at least a por...
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WO/2011/017115A2 |
An abrasive article including a material including an abrasive material and a filler material having an average negative coefficient of thermal expansion (CTE) within a range of temperatures between about 70K to about 1500K.
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WO/2011/009046A2 |
An abrasive tool with flat and consistent surface topography for conditioning a CMP pad and method for making are disclosed. The abrasive tool includes abrasive grains coupled to a low coefficient of thermal expansion (CTE) substrate thr...
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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/2010/121001A1 |
A transfer article useful for making an abrasive article is provided. The transfer article has a first liner having opposing first and second surfaces, the first surface having a release value of less than about 700 gram per inch per AST...
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WO/2010/121025A1 |
A metal particle transfer article and a metal modified substrate are provided as well as methods of making and using the article and substrate.
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WO/2010/117823A2 |
Cutting elements having a substrate and a layer of superhard material sintered to the substrate are disclosed. The layer includes a working surface at a first surface. From the interface of the layer with the substrate, a reaction zone e...
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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/2010/080401A2 |
A method of forming an abrasive article includes forming a mixture comprising a liquid carrier and a glass precursor material, wherein the glass precursor material comprises a material selected from the group of materials consisting of a...
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