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Patent Searching and Data


Matches 201 - 250 out of 12,438

Document Document Title
WO/2016/081302A1
Methods for manufacturing bonded abrasive articles, for example vitrified bonded grinding wheels. A bondable abrasive composition is prepared including abrasive particles, a binder medium and a gamma-pyrone pore inducing material, such a...  
WO/2016/073227A1
A flexible abrasive article is provided with a first, non-tacky base layer having opposed first and second major surfaces. An ink layer is disposed on the first major surface of the first base layer, while a second, thermoplastic base la...  
WO/2016/067857A1
The purpose of the present invention is to provide a polishing material with which both the efficiency of working of a substrate material and the finish flatness can be attained on a high level at low polishing cost and with which even a...  
WO/2016/064726A1
Abrasive preforms include a frame having first and second opposed parallel major surfaces. The first major surface has a plurality of first cavities formed therein. The second major surface optionally has a plurality of second cavities f...  
WO/2016/062879A1
The present invention relates to abrasive elements and a method for producing said abrasive elements, said abrasive elements comprising an abrasive product, at least one abrasive and a metallic phase on the surface of the abrasive produc...  
WO/2016/057319A1
Provided are multilayered abrasive articles that include an abrasive composite having shaped features, a carrier film, and a nonwoven web, where the nonwoven web and the carrier film have respective patterns of discrete, three-dimensiona...  
WO/2016/057279A1
Provided are abrasive articles, and related methods, that include a flexible abrasive layer having opposed first and second major surfaces, a foam backing bonded to the second major surface, the foam backing being resiliently compressibl...  
WO/2016/047535A1
The purpose of the present invention is to provide a polishing pad which is able to achieve a good balance between reduction of the processing time and prevention of scratches on a polished object. The present invention is a polishing pa...  
WO/2016/044158A1
Methods of making abrasive articles involve adhering shaped abrasive particles to a reinforcing member according to a predetermined pattern and optionally orientation, and depositing a space-filling binder precursor on the reinforcing me...  
WO/2016/044625A1
This invention relates to composite backing materials (e.g., polymer impregnated nonwoven fabrics) and coated abrasive articles that include such composite backing materials. This invention also relates to methods of making and using sai...  
WO/2016/032711A1
A method of making an abrasive article comprises urging a malleable thermosetting melt-flowable composition through openings extending through a porous abrasive member to form an abrasive article precursor; which is heated to form the ab...  
WO/2016/026699A1
The invention describes a system of at least two abrasive tools, wherein each abrasive tool is configured for the abrasive and/or polishing machining of surfaces and comprises at least one carrier element, an abrasive and at least one wo...  
WO/2016/027671A1
The purpose of the present invention is to provide a polishing film which has high grinding power and is not susceptible to causing a defect in an end face of an optical fiber connector due to change in the loading conditions during poli...  
WO/2016/028683A1
The method generally involves the steps of filling the cavities in a production tool each with an individual abrasive particle. Aligning a filled production tool and a resin coated backing for transfer of the abrasive particles to the re...  
WO/2016/008970A1
The invention relates to a method for preparing ceramic grains comprising: - making a slurry comprising inorganic particles and a gelling agent; - making droplets of the slurry; - introducing the droplets in a liquid gelling-reaction med...  
WO/2016/008967A1
The invention relates to sintered ceramic grains comprising 3-55 wt. % alumina, 40-95 wt. % zirconia and 1-30 wt. % of one or more other inorganic components. The invention further relates to a method for preparing ceramic grains accordi...  
WO/2016/006476A1
The purpose of the present invention is to provide a polishing film which is capable of preventing drawn-in of an optical fiber after polishing, while having high grinding power. The present invention is a polishing film which has a base...  
WO/2016/005314A1
A super hard polycrystalline construction comprises a body of polycrystalline super hard material comprising a first fraction of super hard grains and a second fraction of super hard grains, the first fraction having a greater average gr...  
WO/2016/003940A1
An abrasive article including a core including an organic material and a first bonded abrasive body integrally bonded directly to the core, the first bonded abrasive body having abrasive particles contained within a bond material and the...  
WO/2015/194278A1
The purpose of the present invention is to provide a polishing pad that is capable of achieving a good balance between processing efficiency and finish flatness at high levels. A polishing pad according to the present invention has a bas...  
WO/2015/194516A1
[Problem] To provide a diamond-containing brazing material that is used for easier bonding of diamond surfaces to a tool or the like upon having coated the diamond surfaces with a non-peeling metal and a diamond-bonded tool or the like t...  
WO/2015/191578A3
The invention relates to polycrystalline diamond compacts ("PDCs") including a polycrystalline diamond ("PCD") table (114) in which cobalt, iron or nickel is alloyed with phosphorous to improve the thermal stability of the PCD table. The...  
WO/2015/187338A1
A method for making a multilayer polishing pad includes rotating a cylinder about a central axis. The cylinder encloses in an interior space a single polymer mixture that phase separates under centrifugal force. The method also includes ...  
WO/2015/187338A9
A method for making a multilayer polishing pad includes rotating a cylinder about a central axis. The cylinder encloses in an interior space a single polymer mixture that phase separates under centrifugal force. The method also includes ...  
WO/2015/183861A1
PROBLEM: To provide a finishing method for a painted surface that can reduce the number of processing steps, and that can shorten the finish polishing time and reduce the polishing area. RESOLUTION MEANS: The painted surface finishing me...  
WO/2015/182023A1
The present invention provides an abrasive grain-fixed wire having a core wire surface on which abrasive grains are fixed, wherein the abrasive grain number density, which is the number of the abrasive grains per unit area, on the surfac...  
WO/2015/184355A1
A method of removing material from one or more workpieces including moving a coated abrasive article having a plurality of shaped abrasive particles relative to a surface of the one or more workpieces at high material removal rates.  
WO/2015/176639A1
The present invention relates to the field of combination between biomacromolecule materials and super-precision machining. Disclosed are a superfine abrasive biomacromolecule flexible polishing film and a preparation method therefor. A ...  
WO/2015/174889A1
´╗┐The invention relates to the field of tool production, and specifically to diamond tools containing diamond grains which are bound by an organic binding agent. A mass for manufacturing a diamond tool contains diamond, an organic bindi...  
WO/2015/169446A1
The invention relates to an abrasive support comprising a support material composed of at least one wet- or dry-laid nonwoven based on natural and/or synthetic fibers. The support material is impregnated with a thermally curable polymer ...  
WO/2015/167910A1
A flexible abrasive article includes a unitary backing having first and second opposed major surfaces and comprising a polyurethane. In some embodiments, the backing has an average thickness of from 4 to 6 mils (102 to 152 microns), a te...  
WO/2015/168229A1
Provided are abrasive articles in which the make layer, abrasive particle layer, and size layer are coated onto a backing according to a coating pattern characterized by a pattern of discrete islands, or features. A plurality of aperture...  
WO/2015/165122A1
A sol gel abrasive gain and the preparing method thereof are provided. The abrasive grains deriving from alumina powders have various shapes and sizes and can be used to make a bonded or coated abrasive product. The preparing method comp...  
WO/2015/164211A1
A ceramic shaped abrasive particle bounded by a base surface having a perimeter, contiguous sidewalls abutting the perimeter, and a multifaceted surface comprising contiguous facets. Each of the contiguous sidewalls abuts the perimeter, ...  
WO/2015/164685A1
Single ply cellulose-based abrasive backers are provided that can include a saturated nonwoven web defining a first surface and a second surface, wherein the saturated nonwoven web comprises cellulosic fibers, synthetic fibers, and a cur...  
WO/2015/160855A1
A shaped abrasive particle including a body having a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, wherein the body includes a sharpness-shape-stre...  
WO/2015/160854A1
A shaped abrasive particle including a body comprising a first major surface, a second major surface, and a side surface extending between the first major surface and the second major surface, the body comprising a sharpness-shape-streng...  
WO/2015/156034A1
This barrel polishing medium (40) is configured from a porous sintered body which has air gaps dispersed therethrough, and which includes at least: 60-80 mass% of aluminium oxide; 10-30 mass% of silicon dioxide; 4-8 mass% of zirconium ox...  
WO/2015/155610A3
The present invention relates to a coated abrasive article containing abrasive agglomerates based on target cores that provide an extended surface. Target cores are defined as geometric shapes, e.g., spherical, rectangular, tetrahedral, ...  
WO/2015/156033A1
In a first step, the surface of a polishing medium (40) is coated with a lubrication-property-imparting material (44) to form a non-wetting coating (44C) and impart lubrication properties to the surface of the medium (40). In a second st...  
WO/2015/156789A1
A superabrasive compact and a method of making the superabrasive compact are disclosed. The superabrasive compact comprises a diamond table and a substrate. The diamond table is attached to the substrate. The diamond table includes bonde...  
WO/2015/152021A1
Provided is a method for polishing a single crystal substrate composed of gallium nitride GaN, which is a material that cannot be processed easily, by a CMP process with satisfactory polishing efficiency and satisfactory polishing perfor...  
WO/2015/154061A1
Methods for forming an abrasive backing having a super smooth surface are provided. The method can include applying a bond coating onto a first surface of a saturated, calendered paper; applying a barrier coating onto the bond coating to...  
WO/2015/130310A1
A superabrasive compact and a method of making the superabrasive compact are disclosed. A superabrasive compact may comprise a superabrasive volume and a substrate. The substrate may be attached to the superabrasive volume via an interfa...  
WO/2015/123047A1
An abrasive article having first and second major surfaces includes a lofty open nonwoven fiber web comprising entangled fibers. The fiber web includes a densified outer layer comprising a portion of nonwoven fiber web proximate to the f...  
WO/2015/120430A1
A 3D printed polishing pad for chemical-mechanical planarization (CMP) comprises a microlattice including a plurality of layers of extruded filaments arranged in a crisscross pattern. The extruded filaments comprise a polymer composite i...  
WO/2015/112379A1
Systems and methods for creating grinding wheels are provided. The systems and methods may employ aligned abrasive grains. In this regard, the abrasive grains may have a known polarity and cutting orientation. The abrasive grains may be ...  
WO/2015/106148A1
Incorporating hard particles in a matrix forming the surface of a member can significantly increase wear resistance. Practical use of diamond in industrial applications is limited as the carbon structure breaks down to graphite in air at...  
WO/2015/103670A1
A method of manufacturing a wear resistant member, such as a ground-engaging tool or dredge point, is disclosed where wear particles are confined to a region of a mould in which the wear member is formed by casting of a liquid metal into...  
WO/2015/102992A1
A fixed abrasive article including a blend of abrasive particles having a first type of shaped abrasive particle comprising a first height (h1), a second type of shaped abrasive particle comprising a second height (h2) less than the firs...  

Matches 201 - 250 out of 12,438