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WO/2019/140086A1 |
A polishing or grinding pad (21; 121; 221) with a multilayer reinforcement (41; 43; 141; 143; 241; 243) is provided. In one aspect, a floor polishing or grinding pad assembly employs a flexible pad (31; 131; 231), at least two reinforcem...
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WO/2019/081275A1 |
The invention relates to a clamping device (10) for axially (AR) clamping a tool disk (300) to a flange (30) associated with a drive spindle (20) of a hand-held power tool (100), the clamping device (100) having a screw (2), which is to ...
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WO/2019/073445A1 |
The present invention relates to a polishing system (100) for providing a polishing finish to a concrete surface, said system comprises a pad lock (2) which, one a second surface (6) thereof, comprises a number of protrusions (32) which ...
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WO/2019/069847A1 |
A three-dimensional structure body (2) such as a honeycomb structure body is formed from grindstone sheets each having a structure in which a plurality of abrasive grains (11) are disposed on a sheet (21). As a result, the abrasive grain...
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WO/2019/063044A1 |
The invention relates to a grinding and/or cutting tool which has at least one surface region for a lateral grinding process and a surface region for a circumferential grinding process and/or a cutting process. According to the invention...
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WO/2019/058592A1 |
[Problem] To protect a leading end section of a drill which has a coolant hole and which makes a fine-diameter or ultrafine-diameter hole in a workpiece. [Solution] A coolant hole 33 is formed axially penetrating a shank part 3 and a sha...
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WO/2019/049033A1 |
The present invention relates to a supporting device for supporting and containing an abrasive element for processing stone materials, ceramics or the like, comprising a first rigid interface element with a grinding machine and a second ...
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WO/2019/032022A1 |
A hole saw (1 ) comprising a cylindrical unit (2) with an expanse in a longitudinal direction (Z), the cylindrical unit (2) being rotation-symmetrical about a center axis, which has an expanse in the longitudinal direction (Z). The cylin...
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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...
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WO/2019/020438A1 |
The invention relates to an abrasive tool comprising a lap (1) that has a shaft (2) for connecting the lap (1) to a drive device for rotatably driving the lap (1) about a longitudinal axis (X), and a core (3) that is connected to an axia...
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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...
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WO/2018/226912A1 |
An abrasive article including a base having an annular shape defining a central opening, and an abrasive segment coupled to the base, the abrasive segment having at least one side surface with a non-linear shape. In particular, the abras...
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WO/2018/215363A1 |
A rail-grinding machine (1) which can be displaced manually on the rails (2) of a track in a longitudinal direction and comprises a machine frame (3), which can be supported on a rail (2) by means of guide rollers (4), and a grinding ass...
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WO/2018/166540A1 |
A water-saving cooling system of a glass processing center, comprising a CNC spindle box (1) and a tool holder (20). The tool holder is fixed connected to an output end of the CNC spindle box; a fixed plate (4) is fitted over the periphe...
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WO/2018/166539A1 |
A diamond special-shaped grinding wheel, comprising an upper base body (201), a lower base body (202), and a grinding ring (203). The upper base body is disposed at the upper end of the lower base body, and the upper base body and the lo...
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WO/2018/163102A1 |
The present invention relates to a device (14) for sanding floor areas, the device comprising a frame, a steering, a motor which is provided to said frame, a subframe (13) rotatably coupled with said motor, said subframe being centrally ...
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WO/2018/160658A2 |
A computing system may send and receive data from a variety of other devices, such as abrading tools and consumable abrasive products. The computing system may use this data for various purposes, such as tracking worker vibration dosage,...
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WO/2018/160663A2 |
A computing system may send and receive data from a variety of other devices, such as abrading tools and consumable abrasive products. The computing system may use this data for various purposes, such as tracking worker vibration dosage,...
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WO/2018/150918A1 |
A whetstone 10 has a groove 14 formed on a surface 12a of a disc 12 with a Vickers hardness of 15 GPa or greater, a flatness of 5 μm or less, and a surface roughness Ra of 0.1 nm to 500 nm. A polycrystalline substrate with a Vickers har...
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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...
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WO/2018/146608A1 |
Operative unit (1) for a disc-shaped rotary tool, which comprises two or more machining bodies (2) of substantially discoid shape placed in succession and aligned with each other along the rotation axis (X) thereof. The operative unit (1...
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WO/2018/138481A1 |
A machine tool (40) comprises first and second support arms (44,46), and a rigid structure (42) which couples the first support arm to the second support arm. A first rotary drive (50) is operable to rotate the first support arm and the ...
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WO/2018/130237A1 |
The invention relates to a roughing disk for machining material surfaces, comprising a disk-shaped main body which comprises a central opening, through which an axis of rotation passes, for the direct or indirect connection of a drivesha...
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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...
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WO/2018/116122A1 |
A pad conditioner includes a carrier, at least one abrasive element, and a spacer. The carrier includes a surface with an exposed region and a plurality of mounting regions. The abrasive element is disposed on the mounting region of the ...
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WO/2018/099401A1 |
A blade (30) and a grinding block (2), the grinding block (2) comprising: a plurality of abrasive sheets (21), the abrasive sheets (21) being connected therebetween by means of a plurality of connecting strips (22) which are distributed ...
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WO/2018/097956A1 |
A product and method to eliminate blade spacers in blade heads or stacks that are formed by multiple blades fixed relative to one another including a plurality of spacerless blades wherein the spacerless blades include a blade core with ...
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WO/2018/087194A1 |
Grinding element (20) comprising an abrasive surface (22) and an abutment surface (30) which is offset by an offset (x) from the abrasive surface (22), thus allowing a grinding depth (t) to be adjusted. In an illustrative embodiment, the...
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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...
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WO/2018/052975A1 |
A chemical mechanical planarization (CMP) pad conditioning assembly that includes one or more support structures positioned between one or more abrasive regions of the pad conditioning assembly is disclosed. The support structures and ab...
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WO/2018/036616A1 |
The invention relates to a roughing grinding tool (1) having a supporting body (2) and at least one abrasive plate (S1 to S4). The supporting body (2) comprises an abrasive grit for rough grinding. The supporting body (2) is used to supp...
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WO/2018/028846A1 |
The invention relates to a grinding disc for processing material surfaces, comprising a disc-shaped base body (3) which has a tool side (13) that can face towards a tool and a workpiece side (12) that can face towards a workpiece, and wh...
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WO/2018/028849A1 |
The invention relates to a roughing disc for machining material surfaces, comprising a disc-like main body (3) with a tool side (13) that is able to face towards a tool and a workpiece side (12) that is able to face towards a workpiece, ...
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WO/2018/030120A1 |
A ground workpiece having a smaller diameter than that of an object to be ground 10 is manufactured by grinding a side surface of the object to be ground 10 through the following steps (a) and (b). In step (a), a cup-type grindstone 30 i...
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WO/2018/020947A1 |
Provided are a roll polishing rotating grindstone that prevents the polishing debris generated during polishing from accumulating in recesses in the center of a polishing face of the roll polishing rotating grindstone and that allows rol...
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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...
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WO/2017/222884A1 |
A sanding wheel that may be used, e.g., to finish a wood deck, includes one or more risers. Each riser includes an angled face and a cross member, and the angled face and cross member define a slot therebetween. The retaining or fastenin...
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WO/2017/218318A1 |
The invention relates to a grinding machine for grinding peripheries, clearance angles and protective chamfers in workpieces, preferably workpieces made of steel, hard metal, ceramics, cermet, CBN and PCD, wherein the material processing...
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WO/2017/193147A1 |
The invention relates to a grinding wheel (1) comprising a support body (2, 3) which has a central coupling region (4) for attaching the grinding wheel (1) to a rotary drive for rotating the grinding wheel (1) about a rotational axis (5)...
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WO/2017/173009A1 |
The present disclosure provides methods of making a vitreous bond abrasive article and a metal bond abrasive article. An abrasive article preform is produced by an additive manufacturing sub-process comprising the deposition of a layer o...
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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 ...
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WO/2017/151498A1 |
A depressed center grinding wheel comprises an abrasive disc. The abrasive disc comprises a working layer, an intermediate layer, a back layer, and at least two reinforcing scrims. The working layer comprises first abrasive particles ret...
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WO/2017/147035A1 |
A damped abrasive article comprises a damping body and an abrasive surface provided on at least a portion of the damping body. The damping body comprises a synthetic polymer having a Storage Modulus from 1000 MPa to 2500 MPa and a Loss f...
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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...
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WO/2017/119339A1 |
The purpose of the present invention is to provide an abrasive material in which the polishing efficiency does not readily decrease and in which the polishing cost is relatively low. This abrasive material is provided with a substrate an...
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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...
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WO/2017/111747A1 |
The invention is related to grinding wheel (1) and carrier flange (2) configuration on which the grinding wheels (1) are connected in double wheel face grinding machines, By the grinding wheel (1) and the, carrier flange (2) configuratio...
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WO/2017/102707A1 |
The invention relates, inter alia, to a grinding body (1, 1') comprising a substantially cylindrical outer member (2, 2') for accepting an abrasive material, an inner member (4, 4') for attaching the grinding body (1, 1') to a drive unit...
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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...
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WO/2017/062482A1 |
An epoxy-functional coupling agent comprises a reaction product of a polyepoxide and an aminosilane represented by the formula HNR1R2. R1 represents Z-SiL3 and R2 represents Z-SiL3 or an alkyl group having from 1 to 4 carbon atoms. Each ...
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