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Patent Searching and Data


Matches 1 - 50 out of 4,803

Document Document Title
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 ...  
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 ...  
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...  
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/2018/052975A1
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...  
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...  
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...  
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, ...  
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...  
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...  
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/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...  
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...  
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)...  
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...  
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/2017/151498A1
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...  
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...  
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/2017/119339A1
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...  
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/2017/111747A1
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...  
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...  
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/2017/062482A1
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 ...  
WO/2017/042395A1
The invention relates to a dressing tool (10, 100, 200, 300) comprising a base body (12, 112, 212, 312) in the form of a rotatable disc element with a carrier (16, 116, 216, 316), on which hard grains (120, 220, 320) such as grains made ...  
WO/2017/013259A1
The invention relates to an abrasive wheel, with a supporting plate (2), which is produced from a nonwoven material bonded with a binder and has a fastening portion (3) with an annular clamping surface (4) for receiving a clamping nut (5...  
WO/2017/014197A1
Provided are: an electroplated tool with which it is possible to perform high-efficiency grinding, the electroplated tool having exceptional chip discharge properties and processing accuracy; a screw-shaped grindstone for grinding a gear...  
WO/2016/205133A1
An abrasive article includes a plurality of abrasive particles and the rotational orientation of at least a portion of the abrasive particles about the z-axis varies randomly within a defined range, and the spacing of the abrasive partic...  
WO/2016/181751A1
The purpose of the present invention is to provide a polishing pad, which has high planarization precision and for which the polishing rate is not susceptible to decrease over a relatively long period. This polishing pad is provided with...  
WO/2016/181594A1
The present invention provides a grinding stone in which multiple vitrified bonded grindstone tips are disposed on the circumference of an annular base metal and which grinds a workpiece with said grindstone tips while rotating the annul...  
WO/2016/163991A1
One example provides a method. The method includes forming a substrate comprising a metal alloy comprising at least one of aluminium, magnesium, lithium, zinc, titanium, niobium, and copper. The method includes polishing a surface of the...  
WO/2016/160561A1
A grinding disc includes an inner layer (20) which is made of grindable material (containing abrasive particles) and an outer layer (20) which covers at least a portion of the surface of the inner layer (50) and which is made of non-grin...  
WO/2016/160561A9
A grinding disc includes an inner layer (20) which is made of grindable material (containing abrasive particles) and an outer layer (20) which covers at least a portion of the surface of the inner layer (50) and which is made of non-grin...  
WO/2016/151424A1
A tool (U) for polishing and/or lapping stone material surfaces, comprising a member (1) made of abrasive material, a support member (2) for handling said tool (U), a cushioning layer (3) arranged between said abrasive member (1) and sai...  
WO/2016/141276A1
An abrasive article includes a body having an annular surface including abrasive segments coupled to the annular surface, and the abrasive segments define an abrasive annular region and a percent abrasive surface area of not greater than...  
WO/2016/125973A1
A grinding tool according to the present invention comprises: a plate; a plurality of holders formed on the plate and having sliding grooves formed thereon; shoes coupled to the sliding grooves of the holders; and grinding tips arranged ...  
WO/2016/116452A1
The present disclosure provides a carrier disk (1, 1', 1'') for holding at least one cutting, grinding or polishing element (23) in a floor grinding machine. The carrier disk (1, 1', 1'') comprises a carrier body (11, 12) having a downwa...  
WO/2016/098398A1
A processing tool (1) for an optical element according to the present invention is provided with a stage tray (2) that has an upper surface (2a) with a prescribed curvature, and a plurality of grinding stones (3) each formed in a columna...  
WO/2016/083098A1
A parting/grooving insert (1) and a method of grinding a parting/grooving insert comprising rotating a plane grinding surface (2), having a normal vector parallel to the axis of rotation (X), and a tangential direction of rotation (R) in...  
WO/2016/074067A1
The present disclosure provides a grinding cup for detachable connection to the output drive shaft of a grinding machine for grinding buttons on drill bits or cutters, said grinding cup having top and bottom surfaces and consisting of 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/2016/065367A1
A new blade holder includes a blade with two ends and a top and a bottom surface, the bottom surface having teeth, the teeth being so spaced and dimensioned as to provide a variable sanding surface. A hardened material holds in place the...  
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/2016/036178A1
Disclosed is a cutting type hand grinder wheel which: can maximize machinability by increasing a cooling efficiency during a grinding operation; has a plurality of cut grooves capable of checking a processed surface during the operation;...  
WO/2016/023586A1
The invention relates to a grinding element (1) comprising a disk-shaped main body (25) and blades (19) formed as a unit with the main body, wherein the main body (25) and the blades (19) are formed of sintered hard material. An opening ...  
WO/2015/192784A1
A copper disc for sapphire polishing; the annular surface of the copper disc (1) is provided with spiral or concentric circular grinding grooves (11) thereon; and a stepped groove (12) is provided at the edges along both the outer ring a...  
WO/2015/190189A1
Provided is a grinding tool which, while utilizing existing grinding devices, can improve the surface accuracy of an object to be ground. A grinding tool (3) is characterized by comprising a grinding surface (30b) which forms a spherical...  
WO/2015/183105A1
The invention relates to a device for use with a power tool. The device is configured to be placed between the body of a power tool and the attachment head of a power tool to reduce the transfer of vibration from the power tool attachmen...  
WO/2015/167899A1
Interrupted structured abrasive articles comprise an abrasive layer comprising shaped abrasive composites that extend outwardly from a first major surface of a backing to which they are secured. The abrasive layer defines at least one op...  

Matches 1 - 50 out of 4,803