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WO/2021/105035A1 |
The invention relates to a foam abrasive (10) for grinding a workpiece, comprising a main part (12) made of foam (14) and abrasive grains (18) which are fixed to the main part (12) by means of a binder (16). According to the invention, t...
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WO/2021/105030A1 |
The invention relates to a foam abrasive (10) for grinding a workpiece, comprising a main part (14) made of foam, in particular polyurethane foam, and abrasive grains (12) which are fixed to at least one surface (16) of the foam abrasive...
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WO/2021/105876A1 |
A disc changing system for a robotic defect repair system is presented. The system has a first abrasive disc and a second abrasive disc. The first and second abrasive discs are coupled to a liner. The system includes an abrasive disc pla...
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WO/2021/097313A1 |
An abrasive article can include a body including abrasive particles contained in the body and ceramic particles contained within a bond material. The ceramic particles can have an average particle size D50c of at least 2 microns and at m...
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WO/2021/090121A1 |
The disclosure is generally directed to a method of manufacturing an abrasive rotary tool using a molded elastic layer. A mold includes a cavity with a peripheral surface. An abrasive sheet is positioned so that a working surface of the ...
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WO/2021/090122A1 |
A polishing article includes a polishing layer having a working surface including at least one multi-cell structure disposed on the working surface. The multi-cell structure includes three cells, defined as a first cell, a second cell an...
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WO/2021/076986A1 |
An abrasive particle can include a body including abrasive particles contained in a bond matrix. The bond matrix can include a first phase and a second phase. In an embodiment, the body can have a Microstructure Feature of greater than 1...
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WO/2021/074756A1 |
A method of making a coated abrasive article includes: depositing precisely-shaped abrasive platelets into precisely-shaped cavities in a production tool; depositing diluent abrasive particles onto the production tool; contacting the pre...
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WO/2021/066242A1 |
The present invention provides a method for manufacturing a wafer polishing head, the method comprising the steps of: coupling a guide ring consisting of a plurality of layers to the edge of a base substrate; rounding the edge of the gui...
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WO/2021/066172A1 |
[Problem] To provide: abrasive grains which have all of the function of fine cracks formed in diamond abrasive grains and the function of an irregular shape of the surface of the abrasive grains or further have the function of a non-diam...
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WO/2021/050761A1 |
A system, formulation, and method for additive manufacturing of a polishing layer of a polishing pad. The formulation includes a urethane acrylate oligomer based on a difunctional polyol or difunctional polythiol. The techniques includes...
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WO/2021/046150A1 |
Systems and methods include providing a coated abrasive article with an enhanced anti-loading composition in a supersize coat. The anti-loading composition includes a mixture of a metal stearate, at least one performance component, and a...
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WO/2021/038438A1 |
Metal bond abrasive dental bur, comprising a tool head, formed by a plurality of solid layers of a metallic binder material having abrasive particles retained therein, the solid layers being directly bonded to each other. The tool head c...
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WO/2021/036129A1 |
Disclosed are an integrally molded sand roller and a manufacturing method therefor. The method comprises the following steps: step S1, mixing an abrasive, a binder, and a filler at a preset ratio to obtain a slurry; step S2, pouring the ...
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WO/2021/039195A1 |
Provided is a gear grinding multilayer-layer grindstone that provides stable grinding accuracy and gear tooth surface roughness after grinding by a finishing grindstone part even in a high-speed rotation range. This gear grinding multi...
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WO/2021/039196A1 |
Provided is a double-layer grindstone for gear grinding with which a grinding speed or a grinding efficiency can be achieved without lowering an upper limit of the peripheral speed for grinding, i.e., the fracture peripheral speed. In a ...
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WO/2021/025014A1 |
A superabrasive of the present invention is provided with: an abrasive body section comprising cubic boron nitride or diamond; and a coating film containing aluminum and oxygen and covering at least a portion of the surface of the abrasi...
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WO/2021/025015A1 |
A coated super-abrasive grain comprises an abrasive grain body composed of cubic boron nitride, and a coating film coating at least a part of the surface of the abrasive grain body. The dislocation density of the abrasive grain body is l...
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WO/2021/009600A1 |
A method of aligning abrasive particles on a substrate. The method comprises providing a substrate. The method also comprises providing abrasive particles. The method also comprises generating a modulated electrostatic field. The modulat...
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WO/2021/002216A1 |
A synthetic grinding stone (100) used for chemomechanical grinding of a wafer S is provided with: an abrasive (101) having a chemomechanical grinding action on the wafer S and a main component of cerium oxide having an average particle d...
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WO/2020/264397A1 |
An abrasive article can include an abrasive component including a body. The body can include a bond matrix and abrasive particles contained in the bond matrix. In an embodiment, the body can include an interconnected phase extending thro...
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WO/2020/262211A1 |
A synthetic grinding stone (100) for chemical mechanical grinding of a wafer W according to the present invention comprises: a polishing agent (101) which is mainly composed of fumed silica that has a chemical mechanical grinding action ...
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WO/2020/212788A1 |
Various embodiments disclosed relate to a partially shaped abrasive particle. The partially shaped abrasive particle includes a shaped portion, engineered to have a polygonal shape, and an irregular portion. The irregular portion is coup...
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WO/2020/212779A1 |
An abrasive article comprises abrasive particles adhered to a substrate by a binder material. The binder material comprises an at least partially cured resole phenolic resin and an organic polymeric rheology modifier. The amount of the a...
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WO/2020/196104A1 |
This cutting tool (40) comprises a shank part (41), and a cutting part (42) provided to one end of the shank part (41). The cutting part (42) has a first region (51) provided to one end of the cutting tool (40), and a second region (52) ...
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WO/2020/189368A1 |
This grindstone is provided with a plurality of Y-shaped columnar sections (11) that are arranged with a gap therebetween along a processing surface for processing an object to be processed and that extend in a direction intersecting the...
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WO/2020/175069A1 |
The present invention provides a grinding wheel which has excellent grinding efficiency and enables stable grinding for a long period of time. A glass filler-containing metal bond grinding wheel (10) according to the present invention ...
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WO/2020/163923A1 |
The useful model refers to a polishing brush that can be used in dentistry for carrying out various operations, in particular for cleaning and / or polishing dental restorations, for example, polishing of a single tooth or complete denta...
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WO/2020/165683A1 |
An abrasive article comprises abrasive particles secured to a substrate by at least one binder material. The at least one binder material comprises a cured reaction product of components comprising: a) at least one phenolic resin; and b)...
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WO/2020/165709A1 |
The disclosure relates to an abrasive article comprising: a fabric substrate comprising strands forming first void spaces between the strands; a laminate joined to the fabric substrate; a cured resin composition joined to the laminate op...
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WO/2020/158631A1 |
Provided is a long-lived grinding wheel that can grind a very hard and brittle material with high efficiency. A segmented grinding wheel 14, which is a metal bond grinding wheel for a very hard and brittle material, is provided with po...
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WO/2020/153979A1 |
Embodiments of the present disclosure generally relate to polishing pads, and methods for manufacturing polishing pads, which may be used in a chemical mechanical polishing (CMP) process in the manufacture of semiconductor devices. The p...
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WO/2020/149125A1 |
The present invention is a workpiece cutting method for simultaneously cutting a workpiece at multiple sites by winding a fixed abrasive grain wire on multiple grooved rollers to form a wire row and, while reciprocating the same, feeding...
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WO/2020/142277A1 |
The present invention relates generally to coated abrasive articles, such as coated abrasive film belts having improved strength and durability, as well as methods of making and using said coated abrasive articles.
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WO/2020/136553A1 |
Object: To provide a grinding wheel and a method of manufacturing a grinding wheel having added value while providing a suppressed manufacturing cost. Solution Means: The grinding wheel is a grinding wheel including an abrasive portion i...
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WO/2020/128781A1 |
The present disclosure provides improved rail grinding tools. Precision-shaped grains (PSGs), such as PSGs manufactured by 3M® company, provide significant performance improvement in resin-bond and vitrified bond grinding wheels. The us...
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WO/2020/126555A1 |
The invention relates to a shaped ceramic abrasive grain (100-900), in particular based on alpha Al2O3, comprising at least one base surface (102-902) and a jacket surface (104-904), wherein the abrasive grain (100-900) is substantially ...
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WO/2020/128856A1 |
The disclosure relates to, among other things, an abrasive article comprising a plurality of 4D-ceramic structures, wherein the 4D-ceramic structures are made by a method comprising sequentially: at least partially removing a strain from...
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WO/2020/128854A1 |
Various embodiments disclosed relate to an abrasive article and method of forming abrasive articles using backfill to secure orientation of shaped abrasive particles. An example method includes aligning a plurality of shaped abrasive par...
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WO/2020/128708A1 |
A coated abrasive article comprises a backing having first and second opposed major surfaces. A make layer is bonded to the first major surface. Agglomerate grinding aid particles are directly bonded to the make layer. At least a portion...
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WO/2020/128783A1 |
An abrasive article comprising a plurality of shaped abrasive particles (20), each shaped abrasive particle comprising a microparticulate layer disposed on at least a portion of the outer surface of the abrasive particles, wherein the mi...
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WO/2020/128833A1 |
The disclosure relates to, among other things, a method of making a coated abrasive article, the method comprising sequentially: locating a plurality of shaped abrasive particles in a tool comprising a plurality of cavities, wherein the ...
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WO/2020/128716A1 |
Apparatus includes a production tooling having a dispensing surface with a plurality of cavities and formed into an endless belt. An abrasive particle feeder dispenses shaped abrasive particles onto the dispensing surface and into the pl...
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WO/2020/128842A1 |
Various embodiments of the present disclosure relate to a shaped abrasive particle transfer assembly. The shaped abrasive particle transfer assembly includes a substrate including an adhesive and a plurality of shaped abrasive particles ...
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WO/2020/128794A1 |
The present disclosure provides a shaped abrasive particle. The shaped abrasive particle includes a plurality of polygonal faces bound by respective polygonal perimeters and joined by at least one edge or sidewall to form the shaped abra...
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WO/2020/128752A1 |
The present disclosure provides systems, devices, and methods for abrasive articles and manufacturing the same. An abrasive article can include a substrate shaped particles disposed on the substrate, wherein the shaped particles include ...
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WO/2020/128852A1 |
Abrasive articles and associated methods are shown that include abrasive particles arranged in one or more symbols on a backing substrate. Examples include shaped abrasive particles arranged into one or more symbols. Other examples inclu...
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WO/2020/128780A1 |
According to various embodiment of the present disclosure, a bonded abrasive article precursor includes a curable composition. The curable composition includes a curative component. The curable composition further includes one or more re...
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WO/2020/128838A1 |
Various embodiments disclosed relate to a tooling apparatus and method for providing multiple orientation cavities in tooling for abrasive particles in an abrasive article or structure. An example method includes aligning a plurality of ...
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WO/2020/128853A1 |
A system and method for producing an abrasive article includes a production tool configured to provide shaped abrasive particles to a resin coated backing. A first end and a second end of the production tool are spliced together to form ...
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