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WO/2012/045399A1 |
An abrasive cutting-off device has a tool holding fixture (2) for rotatably holding a cutting wheel (3) in a receiving space. Also provided is a deflecting element (5), which is arranged in an area around the receiving space, wherein a w...
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WO/2012/041264A1 |
In the honing method, multiple individual machining processes lead to downtime due to the tool change. The novel honing tool enables a multiple honing machining process by means of one tool without a change in the machining center. Depen...
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WO/2012/037867A1 |
A hand-held power tool having a safe gear-shifting apparatus, comprising: a housing assembly (1), a motor (2), a gearbox end cap (3), a gearbox (4), an output shaft (5), an outermost large gear (6), an outermost small gear (7), a gear lo...
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WO/2012/034785A1 |
The invention relates to a circular grinding wheel (1) with a centre point (M), comprising a multiplicity of extraction holes (2), in particular circular extraction holes, wherein the centre point of each extraction hole (2) is arranged ...
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WO/2012/035503A1 |
The invention relates to a pneumatic vacuum in which an ejector (10) exhibits a tubular conduit (11) for injection of compressed air, a discharge channel (12) for discharging the aspirated fluid and the compressed air injected via the tu...
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WO/2012/028505A1 |
The present invention relates to a grinding wheel unit (1) for a rotary grinding machine (100), having a grinding wheel (10) with a front side (12) for securing a grinding disc (130) and a rear side (14), opposite from the front side (12...
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WO/2012/025598A1 |
The invention relates to a grinding device 1 for mechanically grinding rotor blades 100 of wind power plants, comprising a belt grinder unit 10 having a revolving abrasive belt.
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WO/2012/019342A1 |
A portable angle grinder comprising a housing, a bearing flange member attached to the housing, and a protective guard mounted to the bearing flange member. The protective guard comprises a guard body, an open-type clamping collar fixed ...
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WO/2012/016611A1 |
A protection device for a grinding wheel, comprising a containment structure equipped with an operating opening (22) for a grinding wheel (16), wherein said containment structure comprises a fixed portion (11) and a movable portion (12) ...
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WO/2012/013397A1 |
The invention is based on a handheld power tool, in particular an angle grinder, with a tool housing (10) and an arresting unit (11), which is provided for fixing at least one rotational position of a safety guard (12) when the tool is n...
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WO/2012/004376A1 |
The invention relates to a nozzle for cooling lubricant, comprising a connection chamber (1) having a chamber inlet (3) and a baffle plate (2), which is located in the interior of the connection chamber (1) and is held on at least two mo...
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WO/2011/161994A1 |
Provided are a method and a device for buff polishing an inner surface of an annular member such as an annularly formed precure tread uniformly and without any excess or deficiency, wherein the inner surface of the precure tread (20) def...
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WO/2011/142323A1 |
A grinding machine is such that a pair of workpiece support devices (12, 13) which clamp and rotate a workpiece (W) are provided on a bed (11). A pair of saddles (14) are provided on the bed (11) in such a way as to be movable along the ...
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WO/2011/120740A1 |
The present invention relates to a holding body, in particular a grinding plate (10), comprising a fastening layer (1) with a fastening surface (11) for fastening a flexible grinding means (9). The fastening layer (1) consists of an air-...
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WO/2011/120730A1 |
The invention is based on a run-off securing device, in particular a run-off securing device of a handheld power tool, to avoid running off of a clamping element (12a) and/or a tool (14a) from a spindle (16a), having at least one transmi...
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WO/2011/105302A1 |
Disclosed is a method that is for polishing a magnesium alloy plate and that can cause a stripe pattern to not be prominent and grinding burn to be difficult to arise on the surface of a magnesium alloy plate when wet polishing the surfa...
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WO/2011/106801A2 |
In various embodiments, a coolant delivery apparatus is presented. Namely, a coolant delivery apparatus comprises a plurality of internal channels configured to provide coolant to the work face of a grinding wheel.
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WO/2011/089185A1 |
The invention relates to a grinding center, wherein a workpiece headstock (2) and a tailstock (3) are disposed on a machine stand (1). The tension and rotation axle (4) for the workpiece, not shown, is provided between said stocks. A com...
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WO/2011/086715A1 |
Provided is a super-abrasive grain wheel such that grinding fluid can be uniformly dispersed and that stable rotation can be achieved. The super-abrasive grain wheel (1) is equipped with a base metal block (10) which rotates about a rota...
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WO/2011/083918A2 |
Disclosed is a hand grinder. The disclosed hand grinder, having an abrasive (10) for polishing a surface of an object to be processed, includes: a holder (11), to one side of which the abrasive (10) is attached and in the other side of w...
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WO/2011/073547A1 |
The invention relates to a manual polishing device (1), provided with a handle (2) including an air supply coupling and provided with an air exhaust member, and provided with a head (3) including a polishing median (6), said device inclu...
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WO/2011/069319A1 |
A grinding machine for grinding a wall surface comprises a handle (11). The handle comprises at least two longitudinally-arranged poles, in each of which is provided one dust guiding pipe. In two adjacent poles, the dust guiding pipe (3)...
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WO/2011/069720A1 |
The invention relates to a device (10) for machining welding electrodes, having a grinding wheel (20; 22) that is driven by a drive motor via a shaft (30) and that rotates in a hollow space in a housing (14, 16), wherein at least one ope...
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WO/2011/057637A1 |
There is described an apparatus for grinding/polishing or cleaning a surface, including at least one grinding unit (2), a motor (3), a screen (4) and a handle (5). The grinding unit is a rotatable and preferably horizontally arranged gri...
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WO/2011/057638A1 |
There is disclosed an apparatus (1) for grinding/polishing a surface, including a handle (8) and a grinding unit (2) with a number of grinding members (3), a motor attachment (22, 25), a motor (7) and a screen (23), where the handle is m...
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WO/2011/054481A1 |
The invention relates to a device (10) for the double-sided processing of flat work pieces, comprising an upper working disk (40) and a lower working disk, wherein facing each other between the working surfaces (46) thereof, the working ...
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WO/2011/051635A1 |
The invention relates to a device (1) for holding a hand tool which comprises a mounting (2) for the tool, a gripping member (22) and a pivoting member (12, 20) suitable for swivelling the mounting (2) relative to the gripping member (22...
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WO/2011/042460A1 |
The invention relates to an electric handheld tool having a cover (2) that can be removably fastened to the spindle neck and that can rotate at least partially about an axis parallel to the spindle axis (54) or in line with the same, act...
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WO/2011/043177A1 |
Disclosed is a method for cutting a silicon ingot, wherein the quantity of a fixed-abrasive grain wire required for the purpose of slicing the silicon ingot is reduced as much as possible and manufacture cost is significantly reduced, in...
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WO/2011/040296A1 |
A method for grinding green balls (91) is provided with a step (S20) for supplying the green balls (91) between a first surface (11) of a first member (10) and a second surface (21) of a second member (20), which constitute a grinding de...
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WO/2011/030702A1 |
A variety of grinding tools such as a disc-shaped grindstone for grinding steel materials and a cup-shaped diamond wheel for grinding concrete are attached to disc grinders to match type of work. Dust-collecting covers are fabricated fro...
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WO/2011/021087A1 |
The present invention refers to a support or backing pad (1) for abrasive elements in sheet form for tools or machine tools, comprising: - a first disc-shaped body (2) that has a rear surface (3) for attachment to a tool or machine tool ...
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WO/2011/018254A1 |
The invention relates to a machine tool comprising a protective cover having a clamping joint that can be attached in a flange on the machine by means of a clamping device. A stop device is provided for limiting the relative rotary motio...
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WO/2011/009701A1 |
The invention relates to a hand power tool, particularly an angle grinder, having a main switch (12a-1), a main grip (14a-1), and a housing element (16-1), wherein the main grip (14a-1) can be displaced about at least one grip axis of ro...
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WO/2011/004701A1 |
In the case of a desktop cutting machine, it is so arranged that when the area where a rotary cutting tool is mounted on a spindle is to be guarded by a guard member installed in a body case, then a fixing device which fixes this guard m...
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WO/2010/143354A1 |
In a cutting method for a workpiece wherein a cylindrical workpiece is pressed against rows of wire which are formed by winding a wire spirally between a plurality of wire guides and the workpiece is cut into wafers by moving the wire wh...
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WO/2010/115620A1 |
The invention relates to a cover (10) for an electric hand tool, in particular an angle grinder, having a cover plate (10) covering an in particular disc-shaped, rotating tool at least partially, which cover plate extends perpendicularly...
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WO/2010/087072A1 |
A dust collecting cover for a cutting cup, having both high practicality and versatility. A base plate is connected at multiple positions to a dust collecting cover body with an elastic body provided therebetween, a grinder connecting ad...
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WO/2010/078274A2 |
The present disclosure generally relates to methods for recovering silicon from saw kerf, or an exhausted abrasive slurry, resulting from the cutting of a silicon ingot, such as a single crystal or polycrystalline silicon ingot. More par...
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WO/2010/068148A1 |
A portable water tank assembly for a dust emitting construction machine, such as a machine for cutting concrete, stone, ceramic materials and the like, said assembly comprising a water container (1) and an electric pump (2) powered by a ...
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WO/2010/063036A2 |
Dust collection for an abrasive tool is disclosed. In one embodiment, a first dust extraction component extracts dust from an upper part of material that is machined, while a second dust extraction component extracts dust from a lower pa...
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WO/2010/051964A1 |
The invention relates to a ceiling grinder (1) comprising a drive unit (8, 9, 10), a grinding wheel (12), which can be set in rotation by means of the drive unit (8, 9, 10), a grinding head housing (6), which receives the grinding wheel ...
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WO/2010/039080A1 |
A speed control device for a pneumatic power tool (1) which includes a housing (2) with a pressure air inlet (7), an output spindle, an air turbine with a turbine wheel (19) drivingly connected to the output spindle, wherein a plurality ...
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WO/2010/020271A1 |
The invention relates to a dust collection container for a hand power tool, comprising a bottom container part (11) having a floor (111) and front and side walls (112, 113) and a dust inlet opening (24) disposed in a front wall (112), an...
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WO/2010/016237A1 |
A dust collection adapter (1) for a rotary cutter, wherein the dust collection adapter (1) exhibits excellent dust collecting ability without being connected to a dust collector and is conveniently used in work sites at high places and c...
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WO/2010/014589A2 |
Disclosed are surface modifying apparatus, such as non-motorized and motorized sanding tools, with an illumination system providing an intensity and incidence angle on the working surface that facilitates visual inspection of defects and...
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WO/2009/157120A1 |
A grinding apparatus (100) is provided with a rotating grinding tool (102) for grinding a subject (101) which is to be processed and is immersed in a cooling liquid (106); vibration generating mechanisms (107a-107f) for generating cavita...
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WO/2009/157777A1 |
A tool (20) is described for cutting and grinding of welds on doubling plates in offshore environments where there is a danger of explosions, where the tool comprises: at least one end support (22a, 22b) with corner legs (26) on wheels; ...
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WO/2009/153084A1 |
The invention relates to a power tool, comprising a protective cover (1), and a tensioning belt (6) to be positioned about a tensioning neck (2) for attaching a protective cover (1) to the tensioning neck (2) of the power tool, said tens...
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WO/2009/146685A1 |
The invention relates to a method and an apparatus for the automatic edge grinding of glass sheets under clean room conditions, comprising the following: a) a multi-axis robot (2) at a gripper arm thereof carries a suction frame (9) havi...
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