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| Number | Title | Issue Date |
| 7281307 | Tap process for hard workpieces A process and apparatus for producing screw threads in hard material workpieces with a series of taps. The present invention employs a threaded bore formed in a bracket assembly to align and position multiple taps on a rotary machine. The taps are used in sequence t... | 10/16/2007 |
| 6824456 | Configuration for polishing disk-shaped objects A polish head for Chemical Mechanical Polishing includes a backing film of silicone on a rigid support element, preferably, of amorphous ceramic. The silicone backing film is fabricated by molding, thereby enabling an appropriate cross-sectional shape for specific p... | 11/30/2004 |
| 6419571 | Polisher and ground paper for polishers A polisher for polishing a repair surface to a predetermined shape and a ground paper for polishers are provided. The polisher of the present invention includes a substrate portion (30) for holding an abrasive on a surface opposite to a repair surface, a ... | 07/16/2002 |
| 6068542 | Pad tape surface polishing method and apparatus A surface polishing method comprises allowing a holder to hold a flat sheet-like workpiece, placing a pad tape in a location opposite to the holder, the pad tape consisting of a tape substrate and grains bonded to the substrate surface, supplying free gra... | 05/30/2000 |
| 5644949 | Compressor cam and method for manufacturing the same A cam having a front surface and a rear surface to reciprocate a double-headed piston of a compressor twice for every rotation of a drive shaft. A positioner is provided on the front and rear surface of the cam to position the cam on a fixture used for gr... | 07/08/1997 |
| 5620361 | Sanding accessory and method Sanding accessory for a conventional belt sander or the like, enabling manually held workpieces to be sanded to a super-smooth finish without rounding off their edges. A workpiece held by hand sideways against a fence parallel to the direction of travel o... | 04/15/1997 |
| 5377456 | Eyeglass frame measuring cradle In accordance with the invention a holder is provided for an eyeglass frame having a pair of lens rims spaced apart by a bridge. A pair of supports are fixed in spaced apart relationship on a base plate and a cradle is journalled between the supports to r... | 01/03/1995 |
| 5218786 | Apparatus for grinding ferrules for ribbon type optical fibers A method of grinding ferrules for ribbon type optical fibers wherein the method comprises the steps of locating the end surfaces of the ferrules with respect to a grinding surface of a grinding member, reciprocatingly turnably displacing the ferrules alon... | 06/15/1993 |
| 4928432 | Rods precision cutting-off and end surface grinding machine A rods precision cutting-off and end surface grinding machine consisting chiefly of a set each of drive device, cut-off device, end surface grinding device and rods chucking device, which is chiefly characterized by the following operations: to put the co... | 05/29/1990 |
| 4905415 | Fiber optic terminus grinding and polishing machine A grinding and polishing machine (11) which includes a grinding section (15), a polishing section (17), a fixture (19) and a fixture bearing assembly (21). Fiber optic termini (169) are retained in the fixture (19) so that distal ends (185) of optical fib... | 03/06/1990 |
| 4635403 | Edge rounding machine An edge rounding machine for performing edge rounding of an outer edge portion of a machining face of a workpiece such as a floppy disk head, etc., including a cylindrical rotary member having, at its outer periphery, cutting edges, a holder for supportin... | 01/13/1987 |
| 4598502 | Method and apparatus for surfacing optical lenses A lens holder device is employed having a bell-shaped chamber, at least a portion of the sidewall of the chamber at an open end thereof having a circular section and adapted to accommodate with radial clearance a lens to be surfaced. A conduit communicate... | 07/08/1986 |
| 4538383 | Front surface grinding machine and method Each workpiece holder of a grinding machine is reciprocated relative to and turned about an axis parallel to that of a wheelhead spindle. Workpieces carried by the holder are brought from in front of and to the side of an abrasive wheel front working surf... | 09/03/1985 |
| 4344259 | Rocker arm and pin holder assembly for a lens surfacing machine The pin holder has at least one vertical projection which fits in mating relationship against the flat front faces of the lateral lugs of the rocker arm. Shims are inserted between the projection and the lateral lugs. Fastening means extending through sai... | 08/17/1982 |
| 4162593 | Tool holder for preparation and inspection of a radiused edge cutting tool A tool holding fixture is provided for removably holding a radiused edge cutting tool in a tool edge lapping apparatus. The fixture allows the operator to preset the lapping radius and angle before the tool holder is placed in the fixture and the holder m... | 07/31/1979 |
| 4048759 | Turntable support structure for radius mills and the like This invention relates to an improved three-point support subassembly for pivoted machine tool turntables that is characterized by a pair of floating pads retained in cavities on the underside of the turntable that slide along the opposed planar surface o... | 09/20/1977 |
| 4016683 | Turbine blade edge grinder A machine for resurfacing the leading edge portions of worn or cracked turbine blades and the like, comprising a machine bed, a power driven abrasive belt extending around multiple pulleys disposed above the bed, and a carriage movable over the bed in dir... | 04/12/1977 |
