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WO/2018/020798A1 |
The present invention limits roll-off of the outer edge of wafers in double-sided polishing and reduces variation in flatness. Provided is a method for double-sided wafer polishing in which the wafers, which have been set inside the wafe...
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WO/2018/020931A1 |
Abrasive grains according to the present invention are abrasive grains in which the surfaces thereof are coated with an additive and that are formed of inorganic abrasive particles having a positive zeta potential at pH 8 or lower. Also,...
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WO/2018/020975A1 |
The purpose of the present invention is to provide a recycled medium for barrel polishing and a method for manufacturing such a recycled medium for barrel polishing, said recycled medium utilizing media for barrel polishing which have be...
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WO/2018/019736A2 |
The invention relates to a surface machining apparatus (10), in particular a manual grinder, comprising a machining member (20) that has at least one machining surface (21-23) for grinding or polishing a workpiece surface (O); the machin...
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WO/2018/018821A1 |
A coated abrasive net, comprising a substrate (210), and an adhesive layer (204) and an abrasive layer (206) on one surface of the substrate (210). The substrate (210) is a knitted or machine-woven elastic fabric having a dense arrangeme...
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WO/2018/022520A2 |
A retaining ring includes a generally annular body having an inner surface to constrain a substrate and a bottom surface, the bottom surface having a plurality of channels extending from an outer surface to the inner surface, and a plura...
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WO/2018/020089A1 |
The invention relates to a method for producing an ice projectile. The method comprises the steps of: - providing a quantity of water; providing a quantity of alcohol corresponding to at least 5 wt.-% of the quantity of water; mixing the...
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WO/2018/021428A1 |
Provided is a polishing pad having a polishing surface which has a zeta potential of +0.1 mV or higher at pH 10.0. Preferably, also provided is a polishing pad that comprises a polyurethane including a tertiary amine. More preferably, th...
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WO/2018/019799A2 |
The invention relates to a process for the manufacture of an oligonucleotide comprising at least one non-chiral phosphorothioate intemucleoside linkage of formula (I) wherein R1 is as defined in the description and in the claims.
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WO/2018/019736A3 |
The invention relates to a surface machining apparatus (10), in particular a manual grinder, comprising a machining member (20) that has at least one machining surface (21-23) for grinding or polishing a workpiece surface (O); the machin...
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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/2018/017142A3 |
A portable and transportable die cavity modifying machine having a base carrying a carriage adjustable along one axis, e.g., a generally horizontal axis, and a machining head adjustable along another axis, e.g., a generally vertical axis...
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WO/2018/014568A1 |
Provided is a new process for the copper polishing processing of a sapphire wafer, belonging to the field of LED substrate processing. Scratches caused in the previous procedure are removed gradually by selecting three different polishin...
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WO/2018/014448A1 |
Disclosed are a 2.5D curved surface touch screen cover board and an edging cutter thereof, wherein the edging cutter comprises a cutter handle (1), a rough processing portion (2), a fine processing portion (4) and a cutting head (6) conn...
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WO/2018/014911A1 |
The invention relates to an apparatus (1) for chopping vertically oriented objects (30). The apparatus (1) has a cell (2) with a housing (3), a frame element (4), at least one fastening means (12) and at least one holding element (13). T...
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WO/2018/015529A1 |
A robotised hammering method for hammering a weld seam (C) made on a base surface (S) of a metal workpiece (V) using a robotised system (32), comprising the following steps: - controlling the robotised system (32) provided with an effect...
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WO/2018/016966A1 |
Gemstone cutting and polishing apparatus comprising two main components: a precision divider (100) and an angle and elevation platform (200). The precision divider (100) is arranged to cut and polish a desired number of facets in a gemst...
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WO/2018/017695A1 |
An abrasive agglomerate particle includes fused aluminum oxide mineral bonded in a vitreous matrix. The fused aluminum oxide mineral is present in a range from 70 percent by weight to 95 percent by weight and the vitreous matrix is prese...
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WO/2018/012313A1 |
The present invention is a wire saw device that includes: a wire feed reel that lets out wire; wire rows formed of the wire spirally wound around a plurality of wire guides; a wire winding reel on which the wire is wound; and a workpiece...
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WO/2018/012468A1 |
Provided is a polishing body (LHA pad) which is used for polishing by a CMP method and which is capable of achieving stable polishing performance and uniformly polishing a workpiece. Also provided is a manufacturing for the polishing bod...
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WO/2018/012173A1 |
The present invention provides a polishing composition which is capable of polishing an object to be polished, with high polishing speed, and few scratches (defects). This polishing composition includes silica of which the maximum peak h...
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WO/2018/013863A1 |
The present disclosure provides methods forming a stainless steel part. A method for forming a stainless steel part may comprise providing a substrate comprising stainless steel and at least one depression that projects into at least a p...
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WO/2018/012174A1 |
The present invention provides a polishing composition which is capable of polishing an object to be polished, with high polishing speed, and few scratches (defects). The present invention relates to a polishing composition which include...
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WO/2018/012176A1 |
The present invention provides a polishing composition which is capable of polishing an object to be polished, with high polishing speed, and few scratches (defects). This polishing composition includes silica of which the maximum peak t...
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WO/2018/011997A1 |
A wheel brush (1) comprises: an abrasive material bundle holder (3) including an annular abrasive material bundle holding surface (12) facing the outer circumferential side; and a plurality of abrasive material bundles (4) each formed of...
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WO/2018/012097A1 |
An inner periphery-side cutoff part (X1), in which the polishing surface of an upper plate (12) inclines upwards towards the inner periphery part of the upper plate (12), and an inner periphery-side cutoff part (Y1), in which the polishi...
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WO/2018/011677A1 |
The invention relates to the field of belt sanders for surface machining purposes. A static pressing platen is replaced by pressing rollers with bearing mechanisms. When an abrasive paper is pressed by a static platen, a proportional amo...
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WO/2018/010854A1 |
The invention relates to a suction hood (1) for a power tool (2) having a rotating tool (10), in particular a grinding or separating tool, for collecting and conducting away dust generated during the use of the power tool (2), containing...
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WO/2018/012175A1 |
The present invention provides a process for producing a polishing composition with which a work can be polished at a high polishing rate with few scratches (defects). The present invention relates to a process for producing a polishing ...
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WO/2018/011194A1 |
The invention relates to a suction hood for a machine tool having a rotating tool, in particular a grinding or cutting tool, for collecting and leading away dust produced during the use of the machine tool, containing a first side wall h...
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WO/2018/009737A1 |
An abrasive article may include an organic bond material, abrasive particles contained within the organic bond material and a plasticizer contained within the organic bond material. The plasticizer may include at least one of an aromatic...
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WO/2018/008158A1 |
In a spherical lens surface processing method, a lens surface (5a) is ground to a spherical surface by forming a contacting state in which a rotating cup-shaped grinding stone (9) is placed in contact with the lens surface (5a) and a sph...
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WO/2018/007584A1 |
A tool (1) for machining a groove (18) of a rotation -symmetric component, preferably a piston (17) of an internal combustion engine, wherein the machining is carried out by a rotation of the tool (1) around an axis of symmetry of the ro...
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WO/2018/008551A1 |
The purpose of the present invention is to provide an abrasive material which can has relatively high machining efficiency while inhibiting damage to a workpiece caused when the workpiece falls in a groove, etc. The present invention is ...
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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...
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WO/2018/006547A1 |
A system for removing rust from a hull surface of a ship comprises: a wall-climbing robot body (1); a safety device (13); a rust removal sand blaster (2); an air compressor (9); an abrasive material transport system (8); a vacuum negativ...
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WO/2018/009230A1 |
A rotating circular disc attaches to a rotary motion abrading tool and converts the rotary motion to a random orbital motion. The disc has a center and has an axis of rotation that is off center and that forms a center of gravity. One em...
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WO/2018/000001A1 |
Disclosed is a method for mechanically healing functional cemented carbide or cermet surfaces (2). An exposed cemented carbide or cermet surface (2) that does not adjoin a cutting edge is blasted with a particle beam (S) in a blasting pr...
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WO/2018/002123A1 |
Machining apparatus (2), in particular wide-belt sander for machining preferably board-type workpieces (W) preferably made at least in part of wood, engineered wood and/or plastic, comprising at least one light signal display device (10)...
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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/2018/003767A1 |
[Problem] To provide: a cushion pad, which is capable of handling a variety of products and of being operated for long periods even in robot arms that are not provided with a cushioning device, and for which the load on the robot arm is ...
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WO/2018/000746A1 |
An abrasive belt grinding center applicable to grinding and polishing machining of the overall profile of a blisk. An X-axis feed mechanism, a Y-axis feed mechanism, a Z-axis feed mechanism, a B-axis rotating mechanism, and a C-axis rota...
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WO/2018/003765A1 |
A polishing device (10) is provided with a first arm (13) which has a polishing member (30) at the tip end of the arm for polishing a work (40) and which linearly reciprocates the polishing member (30), and a second arm (13) which has a ...
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WO/2018/000583A1 |
A diamond grinding wheel drive mechanism for use in rotary cutting, comprising a base plate (1); the base plate (1) is provided thereon with a first fixing plate (3) and a second fixing plate (4); the first fixing plate (3) is provided w...
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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...
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WO/2018/000747A1 |
An abrasive belt grinding device for profile precision consistency. A support plate passes through an inner cylinder and fixed to the inner cylinder; the inner cylinder is rotatably connected with an outer cylinder support; a winding whe...
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WO/2018/003429A1 |
[Problem] To provide a dressing mechanism that can achieve dressing of a workpiece cutting blade while saving space, a cutting device comprising such a dressing mechanism, and a blade dressing method using the dressing mechanism. [Soluti...
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WO/2018/000009A1 |
The invention relates to a drilling tool (3) and to a method for drilling a hole using the drilling tool (3). The drilling tool (3) comprises a tool body (7) having a receiving side (9) for receiving in a drive spindle (5) and a processi...
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WO/2018/001284A1 |
Provided are a sanding machine (100b), a method of operating the same, and a working baseplate (808) disassembly-assembly method. The sanding machine (100b) comprises a housing, a motor (809) provided in the housing, a switching mechanis...
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WO/2018/003384A1 |
Provided is an eyeglass lens processing device comprising a control unit that controls processing. The control unit acquires the position of a hole to be formed in a lens and a tilt angle. The tilt angle is an angle in a plane perpendicu...
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