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Matches 1 - 50 out of 1,333

Document Document Title
WO/2019/151584A1
The present invention provides a polishing pad for a wafer polishing apparatus, comprising: an upper pad having a front surface part, which has a cut surface and is in contact with a wafer, a rear surface part positioned on the lower par...  
WO/2019/132797A1
The invention relates to an abrasive disc product obtained from casting sand known as conventional casting mold which has become a solid waste and not have a mold property anymore with completing the use function after casting process.  
WO/2019/133452A1
An abrasive tool having a bonded abrasive including a body having abrasive particles contained within a bond material and a barrier layer overlying a portion of the body and configured for removal by hand prior to use.  
WO/2019/111212A1
An abrasive article comprising an attachment layer and an abrasive layer. The attachment layer comprises a porous backing having a first major surface, an opposed second major surface, and a first plurality of voids extending from the fi...  
WO/2019/111210A1
A bonded abrasive article comprises a bonded abrasive matrix. The bonded abrasive matrix comprises, based on the total weight of the bonded abrasive matrix: 10 to 30 weight percent of phenolic binder; abrasive particles retained in the p...  
WO/2019/108112A1
There is provided a wire saw comprising an elongated carrier and a plurality of abrasive elements bonded to the carrier. The abrasive elements have respective widths and respective compositions. The abrasive elements are arranged at resp...  
WO/2019/102312A1
An abrasive article having a backing layer having a first major surface opposing a second major surface and a plurality of apertures extending from the first major surface to the second major surface. A plurality of abrasive particles ha...  
WO/2019/071053A1
An abrasive article includes an abrasive body having a bond material, abrasive particles contained within the bond material, and an electronic assembly coupled to the abrasive body, wherein the electronic assembly comprises at least one ...  
WO/2019/049092A1
There is described a surface protection structure of diamond for surfaces of security devices, in particular provided in doors of safes or in locks of armoured doors, comprising a layer of reduced thickness which is formed by powders of ...  
WO/2019/050365A1
An embodiment relates to a porous polyurethane polishing pad used in a chemical mechanical planarization process of a semiconductor, and a method for manufacturing the same, wherein polishing performance of the porous polyurethane polish...  
WO/2019/038674A1
Disc-shaped sanding element (1) and method for manufacturing this sanding element (1) with a circular circumference with at least two layers (4,5,6) bonded to each other containing abrasive grains (11, 12), wherein these layers (4,5,6) e...  
WO/2019/029919A1
The invention relates to a flexible grinding means comprising a carrier and grinding grains held on a surface thereon with an average particle size (d50) of 3 to 15 μm, wherein the ratio of the average particle size (d50) to the roughne...  
WO/2019/021214A1
The present invention refers to a process for making a grinding wheel for the squaring of ceramic, formed by a support body and an abrasive ring. The process does not involve costly workings on the body and on the ring and allows to obta...  
WO/2019/021213A1
The present invention refers to a process for making a diamond tool for processing ceramic starting from a mixture of aluminum- based powders in order to obtain a grinding wheel for an eco-friendly squaring of ceramic. The diamond tool i...  
WO/2019/010508A1
The invention relates to a abrasive flap wheel (1) for an angle grinder, comprising a substantially rotationally symmetrical support (2) and abrasive flaps (3), which are arranged to overlap one another on the support (2), wherein the ab...  
WO/2019/014282A1
A compoundless buff and method of making a compoundless buff using a coating solution formulated with abrasive particles dispersed or suspended using a surfactant or suspension agent and which also contains a self-crosslinking acrylic bi...  
WO/2019/002182A1
A method of manufacturing an abrasive member (10a, 10), in particular having the general shape of a disc such as a cutting or grinding disc, comprises -arranging a reinforcing insert or reinforcing member (24, 13) into a mold be- tween a...  
WO/2018/217038A1
The present invention relates to a resin composition for a grinding tool and a grinding tool manufactured from the resin composition. The resin composition for the grinding tool, according to the present invention, has high heat resistan...  
WO/2018/207145A1
Various embodiments disclosed relate to an abrasive article (10). The abrasive article (10 includes a backing (12) defining a major surface. The abrasive article (10) includes an abrasive layer including a plurality of tetrahedral abrasi...  
WO/2018/185580A1
A method for making a tool comprising the steps of providing a polymeric thermoplastic or thermosetting material or equivalent and abrasive material in powder to be mixed together with said polymeric material, in order to obtain a filame...  
WO/2018/183736A1
The present disclosure relates to an abrasive article including a body having a bond material including metal and a micro-porosity within the bond material with an average pore size (D50) of not greater than 10 microns and a pore size st...  
WO/2018/160297A1
Metal bond abrasive articles and methods of making metal bond abrasive articles via a focused beam are disclosed. In an aspect, a metal bond abrasive article includes a metallic binder material having abrasive particles retained therein,...  
WO/2018/149483A1
In a method for producing a grinding tool, a tool base body (4) is provided that forms a three-dimensional adhesive surface (24) by application of a binder (23). The tool base body (4) is positioned such that the adhesive surface (24) is...  
WO/2018/147959A1
Embodiments disclosed herein are directed to energy beam ablation machining methods that are used to machine polycrystalline diamond tables (e.g., polycrystalline diamond compacts that each includes polycrystalline diamond tables). Embod...  
WO/2018/136269A1
According to one embodiment, a method can comprise: providing a tool that has a first portion that comprises a first material and a second portion that comprises a second material, wherein the second material differs from the first mater...  
WO/2018/135878A1
Disclosed is a method for producing a polishing pad, the method comprising the steps of: providing a polishing layer; forming a first through-hole penetrating the polishing layer; providing a support layer facing the polishing layer; int...  
WO/2018/125722A1
A process can include forming at least one precursor abrasive component on a core and infiltrating at least a portion of the precursor abrasive component. The precursor abrasive component can include a body including a metal bond matrix ...  
WO/2018/126178A1
The present disclosure relates to a dressing tool. The dressing tool can include a shank having a proximal end and a distal end as well as an abrasive tip. The abrasive tip may include a superabrasive material that may be bonded to the d...  
WO/2018/118695A1
Various embodiments disclosed relate to an abrasive article. The abrasive article includes a first major surface and an opposed second major surface. Each major surface contacts a peripheral side surface. A central axis extends through t...  
WO/2018/118596A2
Various embodiments disclosed relate to a composite abrasive article. The article can be formed from a first portion having a first color and a second portion of the article having a second color different than the first color.  
WO/2018/118688A1
An abrasive article includes a first plurality of abrasive particles and a second plurality of abrasive particles. The first plurality of abrasive particles differ in at least one of a size, an average weight and a shape from the second ...  
WO/2018/118566A1
Methods of making polymer bond abrasive articles and their precursors using powder bed jetting are disclosed. Polymer bond abrasive articles prepared by the method include abrasive articles having arcuate or tortuous cooling channels, un...  
WO/2018/118596A3
Various embodiments disclosed relate to a composite abrasive article. The article can be formed from a first portion having a first color and a second portion of the article having a second color different than the first color.  
WO/2018/109501A3
Methods and apparatus for shaping workpieces are described in which data representing the surface form of the workpiece is analysed to determine characteristics of curvature of the surface, and these characteristics are used to determine...  
WO/2018/109501A2
Methods and apparatus for shaping workpieces are described in which data representing the surface form of the workpiece is analysed to determine characteristics of curvature of the surface, and these characteristics are used to determine...  
WO/2018/093629A1
This invention relates to abrasive flap discs that include wearable backing plates and methods of making and using such abrasive flap discs and wearable backing plates. The claimed articles, processes, and systems related to the use and ...  
WO/2018/093656A1
Various embodiments disclosed relate to an abrasive article. The abrasive article includes a metallic matrix component, an abrasive particle component dispersed within the metallic matrix component; and a filler particle component disper...  
WO/2018/093652A1
In various embodiments, the present invention provides a structured abrasive article. The structured abrasive article includes an abrasive layer disposed on a backing. The abrasive layer includes shaped abrasive composites, which include...  
WO/2018/086912A1
The invention relates to a method for two-sided polishing of a semiconductor wafer, wherein polishing cloths having a hardness at room temperature of at least 80° according to Shore A and having a compressibility at room temperature of ...  
WO/2018/084839A1
The present disclosure provides a sintering assembly and a polycrystalline diamond compact (PDC) including a acid-labile leach-enhancing material, a PDC including cavities formed by removal of an acid-labile leach-enhancing material, and...  
WO/2018/080784A1
A bonded abrasive wheel comprises magnetizable abrasive particles retained in an organic binder. The bonded abrasive wheel has a central portion adjacent to a central hub, an outer circumference and a rotational axis extending through th...  
WO/2018/080704A1
A bonded abrasive wheel comprises magnetizable abrasive particles retained in a first organic binder. The bonded abrasive wheel has a central portion adjacent to a central hub, an outer circumference, and a rotational axis extending thro...  
WO/2018/081246A1
A shaped abrasive agglomerate particle includes a shaped abrasive particle bonded in a vitreous matrix. The shaped abrasive particles have a longest particle lineal dimension on a surface and a shortest particle dimension perpendicular t...  
WO/2018/069574A1
A method for producing endless abrasive articles (100) comprises: - providing a mandrel coil (200), which comprises a first complete turn (BOA) formed of an endless mandrel belt (BO), - feeding the endless mandrel belt (BO) to an input e...  
WO/2018/063958A1
In some examples, an abrasive particle transfer system including a production tool comprising a dispensing surface and a back surface opposite the dispensing surface, wherein the production tool has cavities formed therein, wherein, on a...  
WO/2018/063960A1
In some examples, an abrasive particle transfer system including a production tool including a dispensing surface with a plurality of cavities formed therein; abrasive particles removably disposed within at least some of the cavities; an...  
WO/2018/063962A1
A method of transferring a shaped particle to a substrate includes providing a scrim of at least two elongate strands periodically joined together at flexible bond regions to form an array of apertures between the strands. The scrim is e...  
WO/2018/064162A1
An apparatus for fabricating a polishing pad includes a conveyor belt, a casting station to form a layer of the polishing pad and to deliver the layer of the polishing pad onto the conveyor belt, a printing station including one or more ...  
WO/2018/057465A1
Abrasive articles including a nonwoven fibrous substrate having a plurality of fibers, and a multiplicity of shaped abrasive particles, each shaped abrasive particle adhered to a corresponding fiber, each shaped abrasive particle having ...  
WO/2018/036502A1
A polyurethane matrix stone grinding and polishing pad and a preparation method thereof. The stone grinding and polishing pad relates to a novel stone grinding and polishing material made by preparing a polyurethane matrix and mixing the...  

Matches 1 - 50 out of 1,333