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Patent Searching and Data


Matches 501 - 550 out of 9,053

Document Document Title
WO/2005/115688A1
A fixture for simultaneously clamping a number of optical fiber ferrules or fiber stubs for polishing. The fixture includes a plate assembly with an upper surface, a lower surface and a number of ferrule-receiving bores disposed across t...  
WO2004085114A8
A work tool comprising: a principle drive shaft (1) with a sun gear (2) attached thereto; at least two planetary gears (3) distributed about the circumference of the sun gear (2) at substantially equal angular separations; and a carriage...  
WO/2005/113192A1
A spindle for a grinding wheel which is to grind re-entrant cams on camshafts is described, comprising a drive motor, a shaft extending from the motor at the end of which is mounted a grinding wheel, and a rigid elongate casing extending...  
WO2005084261A3
A grinder assembly (10) contacts a tire (T) supported by a frame (F) relative to the tire (T). The grinder assembly (10) includes at least one section, and a vertical repositioning system (118) supporting the at least one section. The ve...  
WO/2005/113198A2
A cleaning element (36) for a cement floor surface mounted to a housing (32). Each cleaning element has a flat flexible abrasive surface (39) that is transversely positioned to the direction of motion to provide flex during cleaning of a...  
WO/2005/102601A1
A device for polishing, by using a tape body, those portions of an object to be polished which include a beveled section and edge section of a semiconductor wafer. The polisher has a polishing head for causing the tape body to be in cont...  
WO/2005/095054A1
A hydrostatic pad for use in holding a semiconductor wafer during grinding of the wafer by grinding wheels. The pad includes hydrostatic pockets formed in a face of the body directly opposed to the wafer. The pockets are adapted for rece...  
WO/2005/095018A1
A work head adapted to support at least one elongate work piece, said work head having a first drive shaft (11) capable of rotation about a central axis, said work pieces being supported from the work head at a position spaced radially f...  
WO/2005/095051A1
A jig intended in use to hold a set of blanks of rod-like or wire-like form during machining, said jig having a body adapted to be mounted to a drive shaft for rotation of the body about an axis of rotation, the body having an outer port...  
WO/2005/092010A2
In one embodiment (1), the disclosure is directed to a chemical mechanical polishing retaining ring (106). The chemical mechanical polishing retaining ring (106) includes a support formed of a first material (114) comprising a first poly...  
WO2004078414A8
The device comprises a carriage (10), a two-piece shaft (12A, 12B), one piece (12B) of which can be displaced axially for clamping a glass blank (14), and clamping means with a drive (66) and control means for said drive for varying the ...  
WO/2005/087470A1
The facing machine for large plates of natural stone, e.g. granite and hard stone slabs, comprises: a pair of rollers driven rotatively about a transverse axis to the slab direction of advance and mounted at a work surface grooving stati...  
WO2005050895A3
A method of backgrinding wafers wherein backgrinding tape or a pad is applied to the chuck and not to the wafers. The backgrinding tape or pad is left on the chuck as each wafer is sequentially placed on the tape or pad, background, rins...  
WO/2005/084261A2
A grinder assembly (10) contacts a tire (T) supported by a frame (F) relative to the tire (T). The grinder assembly (10) includes at least one section, and a vertical repositioning system (118) supporting the at least one section. The ve...  
WO/2005/080048A1
The invention relates to a machine tool for machining workpieces, comprising a workpiece holder. Said workpiece holder comprises a support (18), a workpiece spindle head (20) mounted on a first side (27) of the support, and a tailstock. ...  
WO2005053903A3
The invention relates to a hand grinder comprising a motor that is disposed in a housing (10), a flange (30) for accommodating a grinding tool (12), a motor-driven operating shaft (16), and a balancing unit (22) which is provided with at...  
WO/2005/077599A1
A finishing machine (1) for finishing a work surface (20) which consists of a floor of terrazzo, marble, stone, concrete or the like, comprises at least two finishing units (3a, 4a; 3b, 4b; 3c, 4c, 300) which are supported by the frame (...  
WO2005058545B1
A retaining ring for chemical mechanical polishing has a generally annular body with a top surface, a bottom surface, an inner diameter surface, and an outer diameter surface. The bottom surface includes a plurality of channels, each cha...  
WO/2005/068130A1
A lens stock device capable of stocking lenses, having a first stage for delivery and reception, on which first stage trays each receiving a lens can be placed; a second stage for reception on which the trays, each receiving the lens, ca...  
WO/2005/058545A1
A retaining ring for chemical mechanical polishing has a generally annular body with a top surface, a bottom surface, an inner diameter surface, and an outer diameter surface. The bottom surface includes a plurality of channels, each cha...  
WO/2005/056259A2
A wheeled trolley carries various tools across an object to be worked. A track attaches directly to the work and simultaneously isolates the tool from the work. A standard connection to the trolley readily accommodates a variety of diver...  
WO/2005/053903A2
The invention relates to a hand grinder comprising a motor that is disposed in a housing (10), a flange (30) for accommodating a grinding tool (12), a motor-driven operating shaft (16), and a balancing unit (22) which is provided with at...  
WO/2005/051596A1
A grinding machine comprises a base, a wheelhead (10) with grinding wheel (12) and wheel drive mounted thereon, a workholder (22,23,36) and drive means for rotating a workpiece mounted therein about at least one axis (24), workholder dri...  
WO/2005/051597A1
A tool for gripping ophthalmic lenses having at least one vacuum gripper, a shaft associated with said vacuum gripper, the shaft having two ends and being slidably attached at one end thereof to a support structure, a resilient member wh...  
WO/2005/049246A1
A shuttle assembly (24, 124) for use with an end forming machine (12) includes a shuttle (14, 114) and a release mechanism (10, 210, 310) coupled to the shuttle (14, 114). The shuttle (14, 114) includes a main body (32, 132), a tool­ re...  
WO/2005/050895A2
A method of backgrinding wafers wherein backgrinding tape or a pad is applied to the chuck and not to the wafers. The backgrinding tape or pad is left on the chuck as each wafer is sequentially placed on the tape or pad, background, rins...  
WO/2005/039819A1
The invention relates to a workpiece holding device (D), provided with a transversal rotation axis in relation to the tool downward axis of a machining machine tool (M), with which the device (D) is associated. Said device is characteris...  
WO2004070778A3
An apparatus and method for polishing objects, such as semiconductor wafers, utilizes one or more pivotable load-­and-unload cups (182) to transfer the objects to and/or from one or more object carriers (160) to polish the objects. Each...  
WO2005012195A3
The present invention is directed to an apparatus (10) for grinding or polishing at least one edge of a glass substrate. The apparatus includes an air bearing support member (20) configured to pivot about an axis of rotation (12) with ze...  
WO2004091855A3
A system for replacement of abrasive (152) in machinery which uses the abrasive to finish the surfaces of workpieces that pass through the machinery on a belt, such as so-called widebelt sanders. One preferred embodiment of the system em...  
WO/2005/030437A1
The invention relates to a grinding machine tool comprising a machine control device which initially determines the wobbling of a blank (7) in relation to the ideal receiving axis (C) of tool receiving element by means of a suitable meas...  
WO/2005/028159A1
A free curved surface precision-machining tool for precision-machining a subject surface to be machined with the lower end in contact therewith by rotation around the axis. This drum-shaped tool having a rotary shaft orthogonal to the ax...  
WO/2005/028156A1
The invention relates to an improved sander comprising a structure (61) which is equipped with a roof element (2), a coating (3), a control panel (4), screens (5) at the part inlet and outlet, a PVC roller (6), a front-end protective fra...  
WO2003097297A3
A spindle for tool heads used in calibrating, smoothing or polishing natural stone slabs and/or ceramic tiles, comprising: a tubular housing (3) in which the spindle body (12) is movable, the spindle body (12) including a shaft (31) carr...  
WO2004091860A3
A honing guide and bevel setting jig (30,40) for removable attachment to the honing guide (20) to properly position the angle and projection of a tool (22) to be sharpened in the jig to enable the tool to be honed at the proper angle and...  
WO/2005/021212A1
The present invention relates to an apparatus for polishing gemstones, and more particularly, to an apparatus for polishing gemstones, which includes a polishing means with a disk-shaped flat grindstone capable of revolving and rotating ...  
WO2004108351A3
The invention concerns a device for abrading a wall of stone or concrete material. The invention comprises a shell (2) with which is operationally connected an abrading head (1), and a carriage intended to move at least along the surface...  
WO/2005/012195A2
The present invention is directed to an apparatus (10) for grinding or polishing at least one edge of a glass substrate. The apparatus includes an air bearing support member (20) configured to pivot about an axis of rotation (12) with ze...  
WO2003101695A3
A machining spindle comprising an inner shaft (110a) arranged for carrying a first tool (5a) for machining a workpiece and an outer shaft (110b) arranged for carrying a second tool (5b) for machining the workpiece, wherein the shafts are...  
WO/2004/108351A2
The invention concerns a device for abrading a wall of stone or concrete material. The invention comprises a shell (2) with which is operationally connected an abrading head (1), and a carriage intended to move at least along the surface...  
WO/2004/108357A1
A polishing apparatus for a semiconductor wafer, wherein a slide member and a swing holding member are fitted to a polishing member fitted so as to close the opening of a head housing, a slide guide member and a ring member are fitted to...  
WO/2004/101218A1
The present invention relates to a machine tool, and more particularly, to a tool drive unit of a machine tool having multi-axis carriers, in which the operation angle of the tool drive unit is adjustable so that the tool drive unit can ...  
WO2004060610A3
A substrate holding mechanism, a substrate polishing apparatus and a substrate polishing method have functions capable of minimizing the amount of heat generated during polishing of a substrate to be polished and of effectively cooling t...  
WO/2004/098831A1
An abrading machine is disclosed for abrasion of substantially plane items by use of rotating abrading discs (5, 5'), which are moved simultaneously forwards and backward transverse to the item and which preferably has downward extending...  
WO/2004/096492A1
A polishing apparatus for polishing a surface of an object such as a semiconductor wafer smooth is disclosed. The polishing apparatus comprises a polishing tool which is fixed by creating a vacuum in a fluid channel which has an opening ...  
WO/2004/094105A1
A vacuum suction holding apparatus has a vacuum tube passage (50) provided inside a grinding head (40). One end side of the passage (50) is open at an installation surface (42a) and the other side is connected to a vacuum source (60). A ...  
WO/2004/091859A1
The aim of the invention is to provide a simply structured grinding head which is characterized in that the speed of the individual grinding wheels (36) substantially exceeds that of the discoid base (3) carrying them and which can be co...  
WO/2004/091855A2
A system for replacement of abrasive (152) in machinery which uses the abrasive to finish the surfaces of workpieces that pass through the machinery on a belt, such as so-called widebelt sanders. One preferred embodiment of the system em...  
WO/2004/091860A2
A honing guide and bevel setting jig (30,40) for removable attachment to the honing guide (20) to properly position the angle and projection of a tool (22) to be sharpened in the jig to enable the tool to be honed at the proper angle and...  
WO/2004/089588A1
The invention relates to a drive unit for a granulator, in particular an underwater granulator, comprising a rotor (13) that is or can be connected to a cutting blade (20, 22) of the granulator. Said unit is equipped with an electric mot...  

Matches 501 - 550 out of 9,053