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| Number | Title | Issue Date |
| 7147547 | Method and device for grinding a rotationally symmetric machine part A method and a device for grinding a machine part that has two shaft elements, a machine part axis and a large diameter central element having a side surface which is embodied in the form of a flat truncated cone. The machine part is clamped between centers and is m... | 12/12/2006 |
| 7125312 | Rotor-grinding machine comprising a rotary head with two grinding wheels The invention relates to a machine (1) for grinding the blades of a turbine rotor (2) or a compressor. The inventive machine consists of a rotary head (6) which is provided with two different grinding wheels (7, 7′) for grinding the rot... | 10/24/2006 |
| 7125320 | Apparatus and method for grinding and/or polishing an edge of a glass sheet An apparatus and method are described herein which help prevent particles and other contaminants that are generated when an edge of a glass sheet is processed from contaminating or damaging the glass sheet. The apparatus includes an encapsulation device and a proces... | 10/24/2006 |
| 6811473 | Process for machining a wafer-like workpiece A process for machining a wafer-like workpiece between two plates, in which material is abraded from the workpiece under the influence of an auxiliary substance supplied and of a pressure acting on the workpiece. In this process, the pressure on the workpiece is sig... | 11/02/2004 |
| 6652359 | Flat surface grinding machine with a second wheelhead for machining broaches Grinding machine (1) comprising a first wheelhead (4) for machining flat surfaces and a second wheelhead (10) for machining workpieces (3) such as broaches. The first wheelhead (4) is slidably mounted on a vertical column (6) and has a slide (7) on its un... | 11/25/2003 |
| 6595835 | CD refacing system This invention features a disc refacing system, comprising a rotatable platter for holding a disc thereon, a grinding pad assembly, and a polishing pad assembly. Each pad assembly can be rotated at high speed. Each pad assembly can be alternately engaged ... | 07/22/2003 |
| 6485357 | Dual-feed single column double-disk grinding machine An adjustable grinding machine for grinding a plurality of first articles, wherein each first article has two substantially opposite surfaces, and a plurality of second articles, wherein each second article has two substantially opposite surfaces. The adj... | 11/26/2002 |
| 6220927 | Lens grinding apparatus An eyeglass lens grinding apparatus is used for processing an eyeglass lens based on processing data obtained from target lens configuration data indicative of an eyeglass frame shape. In the eyeglass lens grinding apparatus, a lens is rotated while being... | 04/24/2001 |
| 6200200 | Method and device for non-circular grinding of cam shapes with concave flanks A method and an apparatus are proposed for grinding cams having concave flanks on a camshaft, using a grinding wheel of relatively small diameter, which is used at least for finish-grinding. The axis of the grinding wheel runs at an angle to the camshaft ... | 03/13/2001 |
| 6019023 | Cutting machine using a rotary wheel for cutting a flexible material consisting of a single sheet or a small mat of sheets, and method for adjusting said machine The invention relates to a cutting machine for cutting a flexible material by a cutting wheel rotated by a motor. The cutting wheel and the motor are carried by a cutting head mounted to move horizontally along two orthogonal axes and to rotate about a ve... | 02/01/2000 |
| 5909906 | Glass plate automatic drilling and milling machine A glass plate automatic drilling and milling machine, adapted to provide for holes and/or openings having different size, configuration and positioning, comprises a support structure provided with rotating rollers (23, 24) for the sliding of the plates di... | 06/08/1999 |
| 5241791 | Edge tool sharpening apparatus Edge tool sharpening apparatus for the sharpening of an edge tool having a shank (e.g. a wood drill bit), the apparatus including an axially rotatable abrasive element having a peripheral abrasive surface; and a support device having support surfaces to s... | 09/07/1993 |
| 4862645 | Chamfering machine In a chamfering machine wherein a round bar material is longitudinally conveyed in the lengthwise direction thereof and is brought into contact with a grind stone for chamfering to chamfer an end surface of the round bar material and the round bar materia... | 09/05/1989 |
| 4854081 | Device for treating printed circuit boards, in particular for pumicing and trimming The proposed device comprises a treatment unit (30) substantially made up of a feed guide (6) for the board and one or more rotating brushes (5) having their axes of rotation perpendicular to the board; this unit is followed by a flip-over assembly (31) a... | 08/08/1989 |
| 4583326 | Abrading machine for abrading a welded seam in an elongated workpiece The present invention relates to an abrading machine comprising two abrading devices, a carrier member that is provided between the two abrading devices so as to be movable toward and away from them. Gripping elements are mounted on the carrier member so ... | 04/22/1986 |
| 4380990 | Portable core drill cutter for hard brittle sheets A portable lightweight drill assembly is mounted against one side of a sheet of flat glass having a hole or crack to be repaired; the drill shaft extends through the hole or crack to mount cutters on both sides; the cutters are spring biased against the g... | 04/26/1983 |
| 4208229 | System for repairing panes of glass A method for repairing panes of glass is provided which enables fractured panes to be strengthened and holes refilled while the pane remains installed in its support structure. The method comprises steps for relieving stress points in a fractured pane, an... | 06/17/1980 |
| 4198790 | Method for finishing spherical rollers A grinding method for grinding spherical rollers is disclosed, wherein the roller has a spherical main diameter and a spherical end form ground thereon, and both spherical forms are ground on the same fixturing set-up. The workpiece is carried on a pair o... | 04/22/1980 |
| 4073094 | Method and apparatus for repairing a crack in a pane of plate glass A system for repairing a crack in a pane of plate glass in which a rotatable shaft extends through the glass and carries cutters on both sides for concurrently cutting an aperture therein from both sides.... | 02/14/1978 |
| 4008545 | Machine for preworking overlapping abrasive coated belt joint A machine for preworking overlapping abrasive coated joint comprising original roll unit, cutting and working unit, and slit unit sections. The cutting and working unit section has a horizontal table 9 having a knife blade 21 attached to its forward end. ... | 02/22/1977 |
