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Matches 1 - 50 out of 1,309

Document Document Title
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...  
WO/2018/009453A1
Multi-part abrasive tools are disclosed herein. In one embodiment, an abrasive tool includes a first body, a second body, and a braze layer that couples the first body to the second body. The braze layer includes a braze alloy having a l...  
WO/2018/005767A1
An abrasive tool having a bonded abrasive including a body having abrasive particles contained within a bond material and a barrier layer overlaying a portion of the body and configured for removal by hand prior to use, and a tab extendi...  
WO/2018/005111A1
Various embodiments disclosed relate to nonwoven abrasive article including abrasive particles. In various embodiments, the present invention provides a nonwoven abrasive article including a nonwoven web including fibers and pores betwee...  
WO/2017/216415A1
A method for providing abrasive grains (CG1, CG2, CG3, CG4) comprises: - providing first input material (FEED1), which comprises abrasive grains (G0) adhered to a combustible substrate (BASE0), and - separating the abrasive grains (G0) f...  
WO/2017/200833A1
Various embodiments disclosed relate to pore inducers and porous abrasive forms made using the same. In various embodiments, the present invention provides a method of forming a porous abrasive form including heating an abrasive composit...  
WO/2017/197019A1
An abrasive article can include a body including a bond material and abrasive particles contained within the bond material. The bond material can include an organic material including a resin, particularly a phenolic resin. A methylene b...  
WO/2017/175894A1
According to the present invention, a method for manufacturing a polishing pad comprises the steps of: mixing a plurality of polymers so as to generate a urethane prepolymer having a viscosity of 20,000 cps (25°C) to 40,000 cps (25°C);...  
WO/2017/172470A1
An elongate shaped abrasive particle comprises an elongate shaped ceramic body having opposed first and second ends joined to each other by at least two longitudinal sidewalls. At least one of the at least two longitudinal sidewalls is c...  
WO/2017/157789A1
The invention relates to a method for reusing an abrasive tool (1), the abrasive tool (1) comprising a tool base body (10) comprising at least one receiving surface (11) for receiving abrasive bodies (12), the abrasive bodies (12) being ...  
WO/2017/137482A1
The invention relates to a method for producing a ceramic moulded body, comprising the following steps: a) producing a green body containing ceramic material, binding agents and an organic pore forming agent; b) heating the green body to...  
WO/2017/137483A1
The invention relates to a method for producing a ceramic moulded body, comprising the following steps: a) producing a green body containing ceramic material, binding agents and an organic pore forming agent; b) heating the green body to...  
WO/2017/127221A1
Implementations disclosed herein generally relate to polishing articles and methods for manufacturing polishing articles used in polishing processes. More specifically, implementations disclosed herein relate to porous polishing pads pro...  
WO/2017/127392A1
The present disclosure provides methods of making a vitreous bond abrasive article and a metal bond abrasive article. The methods include sequential steps. Step a) includes a subprocess including sequentially: i) depositing a layer of lo...  
WO/2017/126815A1
The present invention relates to a grinding article having protrusions and recesses, and a method of manufacturing same. The present invention can manufacture a grinding article through a simple process by, immediately after depositing a...  
WO/2017/113448A1
A spreading device for a form grinding machine is disclosed. The spreading device comprises an air flow generating mechanism and a scraping mechanism, wherein the scraping mechanism comprises a scraper (2) and a 3-way pipe (1) for horizo...  
WO/2017/116659A1
Polycrystalline diamond constructions comprise a diamond body attached with a substrate during high pressure/high temperature processing, and include a modified reaction zone interposed between the body and substrate that is engineered t...  
WO/2017/117524A1
An abrasive tool can include a bonded abrasive including a body and a barrier layer bonded to a major surface of the body. The body can include abrasive particles contained within a bond material. The barrier material can include a polym...  
WO/2017/114675A1
A method of forming a super hard polycrystalline construction comprises forming a pre-composite assembly comprising a skeleton formed of a first material, and a region of super hard particles or grains, the skeleton having one or more vo...  
WO/2017/112906A1
An abrasive article can includes a body having an abrasive portion. The abrasive portion can include a filler composition including pyrite, in particular, pyrite having a sulfur content of at least at least 43 wt% for a total weight of t...  
WO/2017/083255A1
A method of making a bonded abrasive article comprises urging crushed abrasive particles with agitation against the surface of a tool, thereby causing a first portion of crushed abrasive particles to become retained within horizontally-o...  
WO/2017/079078A1
A process for generating a non-spherical shaped particles comprising the steps of: extruding a material through an extruder nozzle orifice along an extruding axis, and. slicing the extruded material into extruded elements having a predet...  

Matches 1 - 50 out of 1,309