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Patent Searching and Data


Matches 801 - 850 out of 9,089

Document Document Title
WO/1998/055261A1
An ophthalmic lens generating apparatus having a tool spindle comprising a motor, a lens surfacing tool and a coupling mounted between the motor and the lens surfacing tool for retaining the lens surfacing tool to the arbor of the motor....  
WO/1998/053953A1
A grinding machine comprises a frame having a rotary casing that bears rotary holders for grinding discs, as well as a drive motor which is mounted on the frame and interacts with the casing and the holders to drive the machine. The driv...  
WO/1998/052716A1
The invention relates to a belt grinder (10) comprising at least one driving roller (53) with a central shaft element (54) and at least one idle roller (48), whereby said driving roller (53) and idle roller (48) are mounted on a housing ...  
WO/1998/051445A1
The polishing head comprises: abrasive segments (1) made to oscillate on radial shafts (3) driven by a ring (7) with vertical eccentric rotary motion; the ring being coupled to a first eccentric (10); the crown (15) being fixed to the ca...  
WO/1998/050201A1
This invention provides polishing pad tiles which, by virtue of their geometry and surface features, can be arranged to form mosaic pads having channels at the seams which facilitate the flow of polishing fluid during polishing of a work...  
WO/1998/047662A1
A polishing pad for polishing a semiconductor wafer which includes an open-celled, porous substrate having sintered particles of synthetic resin. The porous substrate is a uniform, continuous and tortuous interconnected network of capill...  
WO/1998/047030A2
A tool for preparing an optical fiber end-face includes a station (502) having a fiber bender (518) and a scribe (520) for cleaving a fiber. The station (502) may include a polishing surface (512), a cleaver door (508) rotatable between ...  
WO/1998/040191A1
In a grinding machine such as a surface grinder, the machine bed (10) carries for only Y axis vertical movement or adjustment a work table (12) on a movable support or knee (11) extending forwardly from the bed (10). A saddle (13) slidab...  
WO/1998/024588A1
A method for manufacturing a quartz oscillator in which a quartz piece is ground as small, thin, and accurate as possible as to obtain a quartz oscillator, a quartz resonator or an optical lens for transmission and reception of a high fr...  
WO/1998/022258A1
The bench for machining elongate objects such as strips of marble and the like comprises a generally boxlike body having a surface over which a portable profiling machine can be moved and a side comprising means for holding elongate obje...  
WO/1998/019301A1
An apparatus for polishing one or more planar substrates, such as magnetic disks, between rotating polishing plates is described. The apparatus is designed to optimize uniformity and flatness of the substrates by maintaining a substantia...  
WO/1998/018596A1
An electrical lap guide (ELG) system and method are disclosed for use in lapping a bar (10) of magnetic transducer carrying sliders to a desired transducer height. A first ELG (ELG1) contained within the bar has at least two first ELG re...  
WO/1998/008652A1
An edge clamp apparatus having an elongated body (14) defining a cylindrical bore within which a piston (86) is received for movement between retracted and extended positions. The body (14) includes a mounting surface (18) and opposed fr...  
WO/1998/005472A1
The invention concerns a method for the deburring of items, especially metal items (1), which are encumbered with sharp edges or burrs (8) after punching, clipping, moulding and/or machining operations, by which method the items (1) are ...  
WO/1998/001733A1
A method for controlling vibration imparted on different types of rotary systems following imbalance in said systems, using in a manner known per se, an auto-balancing unit comprising an encased annular track (7) mounted to the rotary sy...  
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...  
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...  
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...  
WO/1997/038824A1
A profiled, soft cushined roller (14) is provided with an outer profiled abrading surface (15) that conforms to and rides on a contoured substrate surface (21) during an abrading operation. A soft roller (14) usually in the form of a sof...  
WO/1997/033717A1
A grinding device for, among other things, knives (1), comprising a rotatable emery grinder (2) and a relatively thereto swingable stand arm (4), which at its free end has a groove (12) for displaceably receiving and fixing the knife bla...  
WO/1997/032689A1
The invention relates to a process for machining workpieces with two parallel work spindles fitted on a headstock. According to the invention, the distance between the work spindles is altered with the aid of a driven adjuster. The inven...  
WO/1997/029881A1
The invention concerns a guide for a carriage for machine tools. The flat, prism, linear and tailstock sleeve guides of the prior art exhibit a number of disadvantages: they are expensive to manufacture and maintain, are massive and a hi...  
WO/1997/029880A1
A machine is provided to make possible many precision operations on wood and some metals on a miniature scale for miniaturists, modelers and hobbyists. Said machine, as seen in the figure, comprises a base (200), an x-y table (212, 224),...  
WO/1997/022440A1
An adapter (10, 110) for use with a powered grinding tool having a driven grinding wheel (13) has a pivotally movable mounting part (16, 128) on a body thereof, and a drill bit holder (15, 116) engageable with the mounting part in either...  
WO/1997/020661A1
A spindle, comprised of a spindle body (68) and an indexing fixture (29), is configured to retain, and rotatingly drive, a crankshaft (10) relative to a grinding tool, so that each pin (16) on the crankshaft (10) is ground with a high de...  
WO/1997/019785A1
A wheel finishing apparatus (10) includes an upwardly opening tank (52) which stores therein a water and media mixture (59). An elongated spindle (30) is mounted on a frame (20) and is displaced directly above the tank (52). The spindle ...  
WO/1997/018918A1
Apparatus for cutting a workpiece includes a rotatable cutting tool (10), a rotatable spindle (42) for rotating the cutting tool, and a quick-connect and disconnect kinematic coupler for releasably coupling together the rotatable cutting...  
WO/1997/014533A1
A machine (10) for simultaneously milling and grinding a workpiece comprises milling (12) and grinding (14) wheels rotatable about respective first (A1) and second (A2) parallel axes, the second axis being offset radially with respect to...  
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...  
WO/1997/009150A1
A polishing fixture (20) for use with a polishing machine. The polishing machine polishes end portions of articles which are retained in the fixture by clamping a portion of the article in a clamping assembly (44, 42). The fixture (20) i...  
WO/1997/000755A1
A method of supporting a workpiece having journal and eccentric regions, in a grinding machine for grinding the eccentric regions thereof, is described which involves mounting the workpiece in a headstock of the grinding machine, providi...  
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...  
WO/1997/000155A1
A lapping tool for localised optical polishing of a workpiece, the tool having a flexible working surface and being characterised by means for selectively varying the pressure applied, in use, on the workpiece by different regions of the...  
WO/1996/037339A1
The invention relates to a belt grinder of which the supporting tables (13, 14) are arranged in relation to the grinding unit (11) and hence the grinding belt (12) in such a way that tables need not be adjusted at the same time as the gr...  
WO/1996/033049A1
This invention is a modular vacuum clamping and part manipulation system designed to automate the loading, unloading and vacuum clamping (or holding by negative vacuum pressure) of a workpiece during the machining process. The system inc...  
WO/1996/025271A1
A method and apparatus (100) for grinding a surface (104) on a workpiece (102), such as a spignot on a pipe, while supporting the workpiece (102) on the surface being ground (104). The grinding apparatus (100) includes workpiece support ...  
WO/1996/015875A1
A method and apparatus is achieved for creating or restoring a high friction surface to a drive roller (52). Abrasive pads (12) define a scrubbing surface for acting upon a media roller's surface (54-58). As the roller's surface is scrub...  
WO/1996/011771A1
The roller and belt assembly (10) for mounting on a spindle or drive shaft (20) comprises a closed loop belt (42) having an inner surface (50) and an outer surface (40), the inner surface (50) having an engaging material (52) thereon, an...  
WO/1996/003255A1
In a method of and apparatus for grinding a cylindrical workpiece, the speed of the grinding wheel (14) and/or of the workpiece (18) is changed during the final dwell period in which sizing occurs, and the following additional steps are ...  
WO/1995/035186A1
A contoured gas turbine blade (25) has tapered outer surfaces (28) projecting from a base (40) which is secured to a work holder (70) mounted on a rotary table (64). This table is supported by an X-Y cross slide (42), and separate steppi...  
WO/1995/030515A1
For each grinding wheel (10) there is provided a bush (21) which supports an individual grinding wheel (10) and is rotatably coupled to a longitudinal member (41) about a fixed axis of rotation (S) perpendicular to the support surface (P...  
WO/1995/019241A1
In a grinding machine for cylindrical workpieces in which the workpiece (18) is rotated against a rotating grinding wheel (14), means (22) is provided for changing the speed of rotation of the workpiece and/or of the grinding wheel durin...  
WO/1995/016544A1
The present invention relates to a method and a device for grinding buttons of a rock drilling bit, said device including a grinding head (10), a rotatable grinding spindle (56) protruding from the grinding head (10), the free end of the...  
WO/1995/011110A1
A grinding machine having a relatively movable worktable (64) and grinding wheel (66) which can be swivelled, the positions of a tailstock (62) and workrests (60, 61) being adjustable by computer controlled drive means relative to the wo...  
WO/1995/011103A1
An electro-pneumatic machining jig is adapted to be attached to the bed of a machine such as a milling machine, grinding machine or the like. The jig holds a workpiece, such as a cylinder head, for machining in a desired position relativ...  
WO/1995/005265A1
A grinding device, in particular for crankshafts, has a workpiece spindle head and a footstock which are both provided with a bearing arranged in the extension of the crankshaft axis for receiving the crankshaft at its axial endpoints. T...  
WO/1995/005268A1
A balancer arrangement (10) for a rotating machine element employs a peristaltic pump (18) which pumps a balancing fluid to respective balancing chambers (12/14) via flexible tubing (17). In an arrangement which employs four balancing ch...  
WO/1995/004629A1
A universal grinding station has at least one workpiece carrier (2) and at least one grinding head (3) directly mounted on a L-shaped grinding table (1) by means of guiding grooves (4) that intersect each other at right angles. Two paral...  
WO/1995/003917A1
A grinding machine provided with a spindle (5) rotating under the influence of a cantilever mounted rare earth permanent magnet motor (40). Hydrostatic fluid film bearings (41, 42) are provided between the ends of the spindle (5) and a b...  
WO/1995/000287A1
The invention relates to a method and an apparatus for treating the edge of a piece, such as for edge grinding or the like, which is carried out in a treatment center (I) preferably by a machining means (1) in connection with a data proc...  

Matches 801 - 850 out of 9,089