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Matches 1 - 50 out of 146,229

Document Document Title
WO/2021/036481A1
A cryogenic auxiliary micro-abrasive gas jet machining device for a PDMS substrate microchannel comprising a reaction chamber (1), wherein a motor (2) and a mechanical arm (7) are respectively and fixedly connected to two sides of a bott...  
WO/2021/041413A1
A chemical mechanical polishing touch-up tool includes a pedestal configured to support a substrate, a plurality of jaws configured to center the substrate on the pedestal, a loading ring to apply pressure to an annular region on a back ...  
WO/2021/037299A1
A device for the external machining of a workpiece (4) having a geometrically undefined cutting edge comprises a shoe (1) which is configured to press a rotationally symmetric workpiece (4) against a driver (7), wherein the shoe (1) has ...  
WO/2021/041240A1
A carrier head for a chemical mechanical polishing apparatus includes a carrier body, an outer membrane assembly, an annular segmented chuck, and an inner membrane assembly. The outer membrane assembly is supported from the carrier body ...  
WO/2021/036489A1
A unidirectional abrasive flow machining device for a complex flow passage of a turboshaft engine diffuser, comprising a housing (1), a feed port (2) being provided at the top of a side wall of the housing (1), and a discharge port (3) b...  
WO/2021/038438A1
Metal bond abrasive dental bur, comprising a tool head, formed by a plurality of solid layers of a metallic binder material having abrasive particles retained therein, the solid layers being directly bonded to each other. The tool head c...  
WO/2021/037055A1
A tool cooling mechanism, comprising a grinding tool (1). The grinding tool (1) is provided therein with a convergence disc (3); the convergence disc (3) sucks external cooling water into the grinding tool (1) as the grinding tool (1) ro...  
WO/2021/036129A1
Disclosed are an integrally molded sand roller and a manufacturing method therefor. The method comprises the following steps: step S1, mixing an abrasive, a binder, and a filler at a preset ratio to obtain a slurry; step S2, pouring the ...  
WO/2021/035971A1
The present invention relates to the technical field of precise optical processing, and more particularly to an electromagnetic coupling device, a polishing device with same, and an electromagnetic rheological property measuring device. ...  
WO/2021/039195A1
Provided is a gear grinding multilayer-layer grindstone that provides stable grinding accuracy and gear tooth surface roughness after grinding by a finishing grindstone part even in a high-speed rotation range. This gear grinding multi...  
WO/2021/037745A1
The invention relates to a multi-layer circular-disk-shaped abrasive disk 1, comprising at least three substantially flat layers 2, 3 and 4, which comprise an inner layer 2 and two outer layers 3 and 4 directly adjoining the inner layer,...  
WO/2021/035972A1
Provided are an electromagnetic coupling polishing device and an electromagnetic coupling polishing method for controlling an abrasive grain state, wherein the polishing device comprises a multi-layer drive input structure, an electric f...  
WO/2021/039196A1
Provided is a double-layer grindstone for gear grinding with which a grinding speed or a grinding efficiency can be achieved without lowering an upper limit of the peripheral speed for grinding, i.e., the fracture peripheral speed. In a ...  
WO/2021/041365A1
Lapping tools are provided that include at least one angled feature that forms at least one surface angle with the lapping surface. In some examples, angled features may include a first surface angle and a second surface angle. Each surf...  
WO/2021/039401A1
The present invention relates to a polishing apparatus and a polishing method, whereby a substrate is polished while a film thickness of the substrate is measured by analyzing reflected light from the substrate on a polishing pad. The po...  
WO/2021/036475A1
A low-temperature nitrogen sandblasting device, comprising a reaction chamber (1), a circulation gas pump (2) being fixedly connected to an outer side wall of the reaction chamber, a material storage tank (3) being fixedly connected to t...  
WO/2021/036490A1
A device for processing a special-shaped inner hole curved surface using abrasive flow, comprising an abrasive flow processing machine (1). A storage box (2) is installed at the top of the inside of the abrasive flow processing machine (...  
WO/2021/041699A1
A fluid composition suitable for chemical mechanical polishing a substrate can in include a multi-valent metal borate, at least one oxidizer, and a solvent. The fluid composition can be essentially free of abrasive particles and may achi...  
WO/2021/041417A1
A chemical mechanical polishing system includes a metrology station having a sensor configured to measure a thickness profile of a substrate, a robotic arm configured to transfer the substrate from the metrology station to a polishing st...  
WO/2021/036473A1
An abrasive flow treatment device employing a large slope, a circuitous path, and a complex single channel comprises a material discharging cylinder (8) and a fixture (7). A second piston (11) is slidably inserted in an inner cavity of t...  
WO/2021/040648A1
Fixing apparatus for parts that cannot fixable by magnetic force such as friction wedge in grinding machines A fixing apparatus (A) providing fixing of parts to be grinding (110) cannot fixable by magnetic force in grinding machines, to ...  
WO/2020/150072A8
A wafer processing device may include a wafer exchanger including two or more blades, each of the two or more blades may be configured to receive a wafer, the two or more blades may be rotatable about an axis on a single horizontal plane...  
WO/2021/041055A1
A support fixture for a wind turbine blade that enables rotation of the blade about its longitudinal axis, and which includes a conformal insert. A selectively deployable stacking frame portion is provided. The support fixture is interch...  
WO/2021/036479A1
A dedicated jet deburring fixture for an internal cavity of a porous housing comprising a base plate (1), a horizontal rotating plate (3) disposed at an inner surface wall of the base plate, two support plates (4) fixedly installed at a ...  
WO/2021/036202A1
Disclosed are a slurry scraping mechanism and a coating and scraping device for use in an SG abrasive production process, solving the problem that a scraping mechanism of an abrasive production device in the prior art is prone to scratch...  
WO/2021/037107A1
Disclosed are a valve element synchronous grinding and deburring integrated method based on overlap value detection, and an automatic deburring system applying the method. Automatic clamping of a valve element and synchronous precise gri...  
WO/2021/031412A1
An irregular chamfering device for quartz square rods, comprising a base (1), a sliding box (2) and a drive motor (3); a speed reducer (4) is provided in the sliding box (2), the speed reducer (4) is provided with a rotating input shaft ...  
WO/2021/031690A1
The present invention provides a knife sharpening plate and a knife sharpener using same. The knife sharpener comprises: knife sharpening plates each having four edges having an equal length and both ends provided with protrusions or rec...  
WO/2021/031631A1
A grinding and polishing apparatus supporting controllable force/position and capable of automatically adapting to different surface profiles comprising a fixed support (1). A stepping motor (2) and a speed reducer (3) are fixed on the f...  
WO/2021/035001A1
A particle blast apparatus or system entrains blast media particles from a particle source into a transport fluid which already has blast media particles entrained therein. The system may have, prior thereto, entrained blast media partic...  
WO/2021/033130A1
Article for sampling comprising inner layer, one or more outer layers, and optional scouring layer on a portion of the one or more outer layers.  
WO/2021/033160A1
A device and method are provided for peening a surface. The peening device comprises a rotatable member, a flexible line that extends from the rotatable member and a peening element that is provided on the flexible line. In use, the line...  
WO/2021/034790A1
A brush assembly is provided for increasing an effective area and uniformity of performance in an abrasive floor polishing application at a given size of brush mount. The brush assembly includes a pad with slots for receiving abrasive bl...  
WO/2021/031362A1
An integrated system for automatic forming, picking, and inspection of a grinding wheel mesh piece, and a method therefor. The system comprises a visual inspection system (1), a conveying system (2), a cutting system (3), and a picking s...  
WO/2021/031478A1
A uniform polishing device for crystal materials and use method thereof. The polishing device comprises: a feeding unit (1), a clamping unit (2), a polishing unit (3), and a control unit; the feeding unit (1) drives a workpiece to move a...  
WO/2021/030953A1
Disclosed is a protective cover assembly (100) for an angle grinding machine (400), the protective cover assembly comprising a main protective cover (10) and an auxiliary cover (20) detachably assembled on the main protective cover (10)....  
WO/2021/033848A1
The present invention provides an apparatus, for preparing a wafer polishing pad, comprising: a polishing pad which has an upper pad having a plurality of lattice grooves and a lower pad attached to the bottom part of the upper pad; a fi...  
WO/2021/034242A1
A drive arrangement (300) for driving a planetary head (140) of a floor surfacing machine (100), the drive arrangement (300) comprising; a first drive wheel (310) arranged to be driven by a first motor (110), a second drive wheel (330) f...  
WO/2021/030963A1
A protective casing assembly for an angle grinder, comprising: a first protective casing (1), the first protective casing (1) comprising a mounting part (11) for mounting to an angle grinder, a bottom wall (12) connected to the mounting ...  
WO/2021/035080A1
A carrier head for chemical mechanical polishing includes a base assembly and a membrane assembly connected to the base assembly. The membrane assembly includes a membrane support, an inner membrane secured to the membrane support, where...  
WO/2021/032601A1
The invention relates to a machining tool, in particular an oscillating machining tool, comprising at least one main part (12a-12j), at least one coupling interface (18a-18j), which is arranged on the main part (12a-12j) in a main part (...  
WO/2021/032600A1
The invention relates to a machining tool, in particular an oscillating machining tool, comprising at least one main part (12) and at least one coupling interface (14) which is arranged on the main part (12) for coupling to at least two ...  
WO/2021/035077A1
A carrier head for chemical mechanical polishing includes a housing for attachment to a drive shaft, a membrane assembly beneath the housing with a space between the housing and the membrane assembly defining a pressurizable chamber, and...  
WO/2021/029518A1
A honing guide of the present invention can accommodate, fix, and sharpen all edge tools, of various widths and shapes, and allows a precise angle to be set in a simple way during sharpening, thus providing a honing guide which enables e...  
WO/2021/029264A1
This end point detecting device has a trained model obtained by machine learning of waveforms of measurement data between the start of polishing and the end of polishing that have been output during polishing in the past from each of a p...  
WO/2021/029586A1
The present invention relates to a tip dresser and, more specifically, to a tip dresser, which prevents chips generated during a tip dressing operation from accumulating in a cutter holder assembly, facilitates the collection of discharg...  
WO/2021/027986A1
The invention relates to an apparatus (1) for preparing the cutting edges of cutting tools (5), in particular of drills, milling cutters or similar tools (5), in particular carbide cutting tools, wherein the cutting tool (5) interacts du...  
WO/2021/029588A1
The present invention relates to a cutter holder assembly for a tip dresser and, more particularly, to a cutter holder assembly for a tip dresser, which not only prevents a chip, which is cut from a welding tee during a tip dressing oper...  
WO/2021/030295A1
A chemical mechanical polishing system includes a platen to support a polishing pad having a polishing surface, a conduit having an inlet to be coupled to a gas source, and a dispenser coupled to the conduit and having a convergent-diver...  
WO/2021/026974A1
A dust collection assembly and a wall surface grinding machine. The dust collection assembly comprises: a dust collection base (1) having a mounting cavity (1a) and provided with a plurality of through holes (1b) in communication with th...  

Matches 1 - 50 out of 146,229