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| Number | Title | Issue Date |
| 7347765 | Honing installation with several work stations A honing installation for honing workpieces comprises a plurality of work stations, each work station being configured for performing at least one working step on a workpiece and at least part of the work station is set up as a honing station for performing at least... | 03/25/2008 |
| 7083502 | Method for simultaneous two-disk texturing Various methods and apparatus for simultaneously texturing two single-sided hard memory disks is provided. The two disks are placed in a concentric contact merge orientation such that the outwardly facing surface of each disk may be simultaneously subjected to textu... | 08/01/2006 |
| 6808445 | Device for loading and unloading optical workpieces The invention relates to a device for loading and unloading optical workpieces, for an optical machine. The device comprises a loading arm (24) which is pivotally driven about an axis (A) and is pivoted in controlled movement sequences on the optical machine ... | 10/26/2004 |
| 6676493 | Integrated planarization and clean wafer processing system A wafer processing module is provided. In one example, the wafer processing module includes a sub-aperture CMP processing system and a pad exchange system including a pad magazine for storing CMP processing pads and a pad exchange robot for transferring C... | 01/13/2004 |
| 6629883 | Polishing apparatus A multi-head type polishing apparatus includes a polishing table having a polishing surface, a plurality of top rings for holding workpieces and pressing the workpieces against the polishing surface, and a carousel for supporting the top rings and indexin... | 10/07/2003 |
| 6358128 | Polishing apparatus A polishing apparatus is used for polishing a workpiece such as a semiconductor wafer to a flat mirror finish. The polishing apparatus comprises a turntable having a polishing surface, a top ring for holding a workpiece and pressing the workpiece against ... | 03/19/2002 |
| 6149498 | Semiconductor wafer handling system A unidirectional gate disposed between interconnecting fluid transport regions in a manufacturing process. The gate allows workpieces to pass from a first transport region to a second transport region but prevents them from returning to the first region a... | 11/21/2000 |
| 6071179 | Apparatus and method for grinding and polishing spherical bodies A spherical body grinding and polishing apparatus comprises: a rotary shaft having a spiral path groove in the outer cylindrical surface along which spherical bodies to be processed are moved, the rotary shaft being vertically movable and rotatable; and a... | 06/06/2000 |
| 5906537 | Five spindle fluting machine A new machine for and method of manufacturing fluted pin fasteners and the pins produced thereby are disclosed which utilize a circular grinding arrangement of a plurality of grinders which grind flutes into a threaded pin. An internally threaded collar t... | 05/25/1999 |
| 5791972 | Polishing/grinding method A method of working a workpiece with an apparatus comprising the steps of holding the workpiece by a holding means, rotating the held workpiece by a rotational means in a direction of a tool to match a rotational axis line of the workpiece with a rotation... | 08/11/1998 |
| 5755613 | Two grinder opposed grinding apparatus and a method of grinding with the apparatus A grinding apparatus includes a disc-like carrier rotatably driven and having a plurality of holding holes formed in a circumferential direction thereof, the carrier transferring a work fitted in each of the holes, a ring-shaped holder member disposed at ... | 05/26/1998 |
| 5388374 | Apparatus and method for grinding points Point-grinding apparatus comprising frame means, workpiece transport means operably mounted on the frame means for transporting a plurality of elongated workpieces therealong, workpiece support means disposed adjacent the transport means for supporting th... | 02/14/1995 |
| 5315791 | Steel ball machining apparatus capable of eliminating foreign matter A steel ball machining apparatus comprises a ball machining mechanism having a pair of machining plates which are adapted to oppose and rotate relative to each other, a steel ball storing vessel for supplying to and receiving from said polishing mechanism... | 05/31/1994 |
| 4896461 | Internal grinding machine In an internal grinding machine of the type in which a workpiece is supported by three contact points by a fixed shoe and two rolls, the present invention facilitates correct feed and discharge of workpieces one by one without regard to the diameter of a ... | 01/30/1990 |
| 4856232 | Workpiece carrier means for surface grinding machine A workpiece carrier means for a surface grinding machine providing in a rockable carrier arm a revolving workpiece holder which holds plural workpieces, feeding the plural workpieces in between grinding wheels while simultaneously revolving them, providin... | 08/15/1989 |
| 4837983 | Drill bit sharpening apparatus A walking beam conveyor (54) delivers drill bits (B), one at a time, into a feed position. A pushrod (52) moves a drill bit (B) from the feed position into the nosepiece (36) of a robot arm (28). The drill bit (B) enters the nosepiece (36) shank end first... | 06/13/1989 |
| 4829716 | Apparatus for automatically performing plural sequential spherical grinding operations on workpieces An apparatus for automatically performing plural sequential spherical grinding operations on workpieces such as optical lenses includes a machine base, an index table mounted on the machine base for rotation about an axis, a plurality of chuck units suppo... | 05/16/1989 |
| 4782633 | Drill bit sharpening method A walking beam conveyor (54) delivers drill bits (B), one at a time, into a feed position. A pushrod (52) moves a drill bit (B) from the feed position into the nosepiece (36) of a robot arm (28). The drill bit (B) enters the nosepiece (36) shank end first... | 11/08/1988 |
| 4760671 | Method of and apparatus for automatically grinding cathode ray tube faceplates A workpiece manipulating apparatus for faceplate panels of cathode ray tubes includes a conveyor for carrying panels along two groups of grinder stations in a pattern coordinated with carriage mounted loaders which move along the conveyor. The conveyor in... | 08/02/1988 |
| 4759154 | Blocking machine for lens manufacture The disclosure relates to a machine for aligning and attaching partly-worked lens blanks to a block so that the remainder of the blank can be machined. The machine comprises a vee-shaped holder for supporting the block with it axis vertical above a moveab... | 07/26/1988 |
| 4739533 | Machine for scraping off the plastic coating of a used wire The apparatus comprises a low speed feeding roller on which are provided teeth, and a high speed scraping roller on which are mounted steel brush wheels. In operation, the pre-cut used wires are fed into the apparatus and the coating is scraped off by the... | 04/26/1988 |
| 4666358 | Apparatus for handling parts An apparatus for handling parts having a table disposed in a generally horizontal plane, a plurality of first and second part carriers spaced angularly around the upper side of said table, and means for continuously rotating said table about its upright a... | 05/19/1987 |
| 4453347 | Apparatus for manipulating workpieces having plane parallel surfaces Apparatus for supporting, locating and transferring plate-like or disc-shaped workpieces between several stations or between several machines where each of two plane parallel surfaces of each workpiece is subjected to one or more treatments has at least t... | 06/12/1984 |
