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WO/2000/062975A1 |
The invention concerns a device for flat deburring by brushing characterised in that it comprises a plurality of brushes (4A to 4H) diametrically opposed in pairs, mounted on a rotary drive head (2A) and driven in rotation on themselves ...
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WO/2000/058054A1 |
A temperature compensating unit (40) is coupled to a linearly moving belt (12) of a polisher (10) for adjusting the temperature of the belt (12), which temperature is measured by a sensor (41) situated proximal to the belt (12). One sequ...
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WO/2000/054936A1 |
Disclosed is a surface finishing pad (59) having a dust extraction aperture (60). The pad may have multiple finishing areas (63) or a number of pads may be mounted to a mounting plate (48, 62) that is driven by orbital drive means. The d...
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WO/2000/051785A1 |
A hand cutter, comprising an electric motor (10), a cutter blade (12), a rotating mechanism (13) for the cutter blade (12), and a dust collector (14), the cutter blade (12) being supported detachably by a blade holder (24) located on the...
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WO/2000/031507A1 |
A three-axis vibration acceleration pickup (13), an A/D converter (19), a microcomputer (20), a display (11) and others are provided inside the handle portion (2) of a hand-held vibration tool such as an angle grinder (1). Each time a co...
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WO/2000/029172A1 |
A back-up pad (10) for supporting an abrasive article. A preferred embodiment of the invention provides a back-up pad (10) having a dust collection groove (30), in which the engagement component (18) to said first major surface (14) of s...
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WO/2000/027585A1 |
A method and apparatus for conditioning a polishing pad is described. The method includes steps of moving a cylindrical roller having an abrasive substance affixed to it against a moving polishing pad. The roller may be passively rotated...
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WO/2000/020169A1 |
The invention provides an improved machine for finishing the edges of glass or other brittle materials. The edge-finishing machine includes a main conveyor section (12/11) including two toothed main belts that grip and convey the glass o...
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WO/2000/015388A1 |
A tire grinding apparatus (10) comprising at least one support arm (30) pivotally connected to a base; and a leading and trailing of grinding wheels (40, 42) rotatably carried by the spport arm (30) to engage the outer surface (12) of a ...
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WO/2000/013850A1 |
The invention relates to a device for grinding the flats of a card, comprising elastic, flexible elements which penetrate between the clothing points, scan the lateral surfaces of said points and grind same in the process. Additional gri...
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WO/2000/001519A1 |
A method of separating, recovering and reusing components of an exhausted slurry used in slicing silicon wafers from a silicon ingot. In the method, the viscosity of the exhausted slurry is reduced and the lubricating fluid component of ...
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WO/1999/067054A1 |
A semi-conductor wafer (12) has its inclined edge flanks polished by a grooved wheel (16) of synthetic plastics material, while a jet (20) of polishing slurry, which may comprise colloidal silica, is fed downwards into the zone of contac...
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WO/1999/059774A1 |
A machine tool wherein a unit (42) for supplying machining fluid to the machining area of a tool (T) when a work (W) is machined with the tool (T) detachably fitted to the main shaft (12) of the tool is provided with a fluid ejecting por...
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WO/1999/056189A1 |
The invention provides a process and system that utilizes conductivity measurements during mixing of chemical components to provide a slurry having a solids content within a qualification range. That is, by providing a reference conducti...
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WO/1999/054089A1 |
The invention relates to a grinding wheel comprising a support disc and an abrasive layer arranged on the periphery thereof. Said abrasive layer has a plurality of recesses which are distributed over the periphery. When viewed in a radia...
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WO/1999/054087A2 |
A device and method to convert ordinary rotary motion of input frequency $g(V) into a composite motion with the same primary frequency $g(V) plus an eccentric motion at a higher frequency $g(v) enables a low speed rotary input to drive a...
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WO/1999/052674A1 |
The invention discloses a compressed air machine intended to eliminate the dust points which stick to the body paint. When the body of a vehicle is being painted, it happens frequently that some of the dust points floating in the air sti...
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WO/1999/051398A1 |
A substrate and carrier head cleaning station (55b) is part of a chemical mechanical polishing apparatus. The cleaning station (55b) is positioned between two polishing stations to prevent slurry contamination therebetween. The cleaner m...
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WO/1999/051397A1 |
A polishing device for polishing an object to be polished such as a semiconductor wafer to a flat and mirror finish, comprising a turn table on the upper surface of which an abrasive cloth is pasted and a top ring (1), wherein a semicond...
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WO/1999/046063A1 |
A cleaning device extremely simple in construction and capable of securely removing reaction products remaining and used fluid deposited on a brush, wherein a chamber part (5) is provided in a main body part (4) having an upwardly open r...
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WO1999033609B1 |
A machining device using a cool air cooling which can reduce effects by heat on a work and a machining tool and improve a machining precision. Specifically, a method of grinding a work (W) with a cooling air supplied to the work (W), a g...
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WO/1999/037441A1 |
A polishing apparatus (P) can produce a uniform quality of polished products by supplying a polishing solution consistently without being affected by any disturbances in the solution supply source. The polishing apparatus (P) comprises: ...
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WO/1999/036225A1 |
A grinding disc (20) with a peripheral groove for grinding the edges of glass panes (11), whereby a cooling liquid is fed to the point of grinding (18). When the disc (20) is in a mounted position a lateral stop surface (8) fits closely ...
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WO/1999/033616A1 |
A machining device using cool air cooling capable of performing the conditioning of a machining tool at an appropriate timing for a work piece, wherein, when a work piece (W) is ground while cooling air is supplied to a portion to be gro...
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WO/1999/026760A1 |
A polisher (10) comprises a turn table (12) having first and second end surfaces which are substantially normal to an axis of the turn table (12). The first end surface defines a polishing surface (16) for polishing an article (W). A dri...
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WO/1999/024219A1 |
A rotary joint for a fluid capable of fluidizing under a seal state a polishing solution between relative rotary members and supplying power to a polishing surface detector, wherein a series of polishing solution passages (7) communicati...
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WO/1999/016579A1 |
The invention relates to a sharpening device for the card of a carding machine comprising elastically bendable elements which penetrate between the fitting points, scan the lateral surfaces of the points and carry out the sharpening ther...
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WO/1999/010692A1 |
In a feed pipe for feeding compressed air and either carbon dioxide or liquefied or supercritical dinitrogen monoxide, said compressed air and either carbon dioxide or liquefied or supercritical dinitrogen monoxide are supplied from a so...
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WO/1998/057778A1 |
A grinding machine for grinding an inner race (38) of a constant velocity joint, which contains a grinding wheel (40) with a concentric peripheral surface of boron nitride, and a device for rotating the grinding wheel at a speed of at le...
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WO/1998/047659A1 |
A grinding unit is serving for grinding for example stone floors (2). The grinding unit comprises a guidable control grinding machine (1) with a grinding disc bearing on the flow with the grinding bodies of the machine during operation, ...
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WO/1998/038014A1 |
The invention relates to a motor-driven hand unit comprising a shaft (10) driven by a motor, which shaft is mounted by means of a bearing (13) in a recess (16) of a housing part (12) and carries a fan wheel (14) at an axial distance ther...
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WO/1998/036871A1 |
The present invention concerns a procedure and an arrangement for the abrasive precision machining of a blank (1) made of a material with a high degree of hardness and/or toughness by means of a rotating high speed abrasive tool (2) that...
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WO/1998/034759A2 |
A random orbital sander (10, 150) including a housing (17), a motor (24) having a vertical axis (71) in the housing (17), a pad (14) coupled to the motor (24), a face (70) on the pad (14) extending substantially perpendicularly to the ve...
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WO/1998/009772A1 |
A variable volume coolant system (42) for delivering liquid coolant. A first conduit path (46) is defined between a source of liquid coolant and a nozzle (40) for delivering coolant to the gap defined between the machine tool (34) and th...
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WO/1998/009770A1 |
The present invention pertains to a polishing machine for spectacle lenses, comprising a driven polishing disk, a driven lens holding shaft which can be tilted straight upward and downward and rotates about an axis at a distance from and...
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WO/1998/009773A1 |
The invention relates to the improvement of the functions of a grinding wheel guard in a grinding machine used to grind workpieces. The grinding machine comprises a workpiece receiving unit, a machine bed, a controlled drive unit which i...
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WO/1997/048525A1 |
A workpiece alignment and shifting system for moving circular workpieces from a first inspection station to a second machining station, comprises workpiece holding means for attachment to the face of a disc workpiece to move the latter f...
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WO/1997/048524A1 |
The invention concerns a method of polishing or smoothing paint surfaces, the method calling for the paint surface to be cooled by a cold gas. The cold gas is produced by splitting a gas stream into a cold stream and a warm stream by mea...
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WO/1997/048526A1 |
A grinding or polishing machine comprises a rigid platform on which a workhead spindle and a grinding wheel spindle are located. The grinding wheel spindle is mounted on a sub-assembly which is attached to the platform by means of flexur...
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WO/1997/048522A1 |
A method of grinding the edge of a disc uses a grinding machine having mounted thereon a grooved grinding wheel, in which the groove is formed in situ using a forming wheel also mounted on the grinding machine. After a workpiece has been...
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WO/1997/032692A1 |
A protection and suction hood sealingly set on a hand grinding and polishing machine has a housing (1) with an edge (2) and an opening (3), a crown of bristles (13) on the edge of the housing, an attached pipe section (4) with an opening...
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WO/1997/029883A1 |
A method of wet-grinding a surface, particularly a floor comprised of stone or stone-like material, wherein liquid is delivered to the area of contact between a grinding tool and the grinding surface, wherein liquid-bound particulate sol...
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WO/1997/025912A1 |
A cylindrical adapter (20) is fitted to the end of a standard vacuum hose (15) having a sliding collar (30) disposed thereon to selectively engage the adapter (20) with a disposable vacuum bag (25) in crimping engagement between the adap...
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WO/1997/016283A1 |
A grinder is supported by a main body frame in such a manner as to be capable of moving up and down, and press force of a rotary grindstone of this grinder to a work W is regulated by an air cylinder and a pressure regulating valve. A ho...
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WO/1997/014530A1 |
The invention relates to a method of cooling and lubricating a metal-cutting rotating tool with a geometrically defined cutting element and/or the workpiece in the cutting zone. A coolant-lubricant and a carrier gas are fed separately in...
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WO/1997/014758A1 |
A method for protecting a surface from the spatter of molten metal or metal sparks during welding or grinding operations using thin, protective sheets (e.g., paper sheets). The sheets may be integrally provided with a pressure sensitive ...
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WO/1997/009157A1 |
A power tool includes a motor housing having first and second clam shell halves forming an air inlet and a stator (28) forming an air outlet, the housing having a central axis (40) therethrough. An electric motor having a rotary armature...
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WO/1997/009151A1 |
A dust collector manifold assembly (1) connectable to a tool (8) through a coupling member (29) and a dust receiver (10) and through a valve (23) to a supply of pressurised air (6). The coupling member (29) is supplied with compressed ai...
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WO/1997/004920A1 |
A random orbit sander (10) having a speed limiter includes a bearing upon which a platen (14) is rotatably mounted. The speed limiter includes a braking member (42) formed of a non-magnetic, electrically conductive material fixed relativ...
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WO/1997/000757A1 |
The scope of the present invention is that to carry out all operations, necessary to the execution of the surface finishing of sanitary-ware and ceramic products, without the use of hand labour and in total absence of dust in the area su...
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