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| Number | Title | Issue Date |
| 7220161 | Automatic sharpening system for ice-skates A method is for using a skate-grinding device. The method provides an automatic sharpening system (10) that has grip members (14, 16) and a grinding wheel (28). A blade (18) of a skate (20) is inserted into a groove (19). Th... | 05/22/2007 |
| 6722961 | Polishing machine for wheel rims It comprises a plurality of carrying units mounted on a turntable, with each of the carrying units securing a wheel rim or the like to be polished, and a plurality of polishing units, each one of which includes a polishing element that carries out a polishing operat... | 04/20/2004 |
| 5630748 | Machining method and apparatus The apparatus, especially a grinding machine, comprises a frame (14) on which two working planes (A, B) are used, at least two oscillating elements (11, 12) disposed on one of the planes and each including at least one tool device (15, 16), at least one f... | 05/20/1997 |
| 5472367 | Machine tool apparatus and linear motion track therefor A machine tool apparatus, and a linear motion track therefore, are disclosed where the linear motion track is comprised of a tube having a circular cross-section with at least two bearings longitudinally disposed on opposite exterior sides of the tube suc... | 12/05/1995 |
| 4987700 | Mechanical scarfing apparatus The present invention contemplates an apparatus for producing a controlled taper cut in a workpiece. The apparatus includes a plurality of horizontal support members for supporting a slidable gantry member and a rotatable support member disposed within th... | 01/29/1991 |
| 4936052 | Machine and method of grinding molding die A grinding apparatus comprising: the frame (1) being composed of a pair of supports (3) standing in opposing relation to each other and a support frame (4) which is stretched between and secured to the respective upper end portions of the supports (3); fi... | 06/26/1990 |
| 4907371 | Automatic polishing machine An automatic polishing machine which can polish a curved skin of a large area fully automatically and efficiently along a three-dimensional plane of the skin. The machine comprises a fixed horizontal beam, a movable table movable in a horizontal direction... | 03/13/1990 |
| 4858387 | Apparatus for grinding a workpiece A wheel slide 20 for supporting a grinding wheel 40 is mounted on a carraige 100 which extends across a work area to engaged parallel horizontal ways 61, 62 on opposite sides of the axis of rotation B of a workpiece W. The carriage 100 has ways 114, 115, ... | 08/22/1989 |
| 4850146 | Apparatus for grinding a workpiece A wheel slide 20 for supporting a grinding wheel 40 is mounted on a carriage 100 which extends across a work area to engage parallel horizontal ways 61, 62 on opposite sides of the axis of rotation B of a workpiece W. The carriage 100 has ways 114, 115, 1... | 07/25/1989 |
| 4800683 | Grinding machine for the grinding of elongated workpieces The grinding toolholders of a grinding machine for the fine grinding or honing of a camshaft or other workpiece are displaced along nonrotatable threaded spindles by high-precision rotatable nuts which are driven by a stepping motor on each holder via a c... | 01/31/1989 |
| 4722152 | Method and apparatus for grinding the sliding surface of skates An automatic sharpening of the slide surface of a skate to desired profile with regard to at least two dimensions x and y in a coordinate system is disclosed. A grinding wheel is by guide means movable in x-direction in the longitudinal direction of the s... | 02/02/1988 |
| 4672776 | Circular blade sharpening device A sharpening device for a circular-shaped blade of the type used on a rotary meat trimming knife. The blade is rotatably mounted on a power driven blade holder which is movable horizontally along a base. A grinder which includes a motor and a power driven... | 06/16/1987 |
| 4557074 | Method and apparatus for grinding undulate cutting edges of knives in tobacco cutting machines The undulate cutting edges of knives on a rotary knife holder in a tobacco shredding machine are ground by a grinding wheel whose profile is complementary to that of the cutting edges and which is moved stepwise in parallelism with the axis of the holder ... | 12/10/1985 |
| 4509295 | Controlled grinding of rollers for elimination of cracks A method and apparatus are provided for controlled grinding of roller surfaces. A rotary drive rotates a roller and a grinding wheel is rotated, which has a rotation axis parallel to the axis of the roller. The rotating grinding wheel is pressed against t... | 04/09/1985 |
| 4384431 | Methods of and apparatus for preparing an end portion of a lightguide fiber A conical end portion of a connector plug and an end portion of a lightguide fiber which is encapsulated by the plug are prepared to form a conical end portion which is suitable for interconnection with a conical end portion of another plug within a sleev... | 05/24/1983 |
| 3953943 | Apparatus for automatically detecting and eliminating flaws on slabs or billets Apparatus for automatically detecting and eliminating flaws on slabs or billets which comprises a flaw detector and a grinder both mounted on a common carriage reciprocable alongside the slab or billet under inspection. The detector and the grinder are mo... | 05/04/1976 |
