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| Number | Title | Issue Date |
| 7281967 | Machine for grinding optical lenses The invention relates to a machine comprising a train of grinding stones (21), mounted to rotate about a first axis (A–A′), a lens support (15), provided with means (37), for rotating the lens (35) about a second axis (B–B′) paral... | 10/16/2007 |
| 7191030 | Method for estimating the angular offset, method for calibrating a grinding machine for opthalmic glasses and device for carrying out said calibrating method The invention relates to a method for estimating the angular offset between a rotating radial axis linked to a glass which is to be ground and a reference rotating radial axis which can be applied to a grinding machine for ophthalmic glasses. Said method comprises t... | 03/13/2007 |
| 6298277 | System for making an optical glass from a blank The system including a device (2) for applying an adapter (11) to a blank (1) for transferring it into and mounting it in a trimming device (3) controlled in accordance with trimming information. The system includes a device for acquiring the characterist... | 10/02/2001 |
| 5951381 | Grinding wheel for ophthalmic glasses and corresponding grinding machine A diamond-charged abrasive layer (3) of a grinding wheel has a convex profile over at least part of its length (L) in order to have greater resistance to wear. Also provided is a machine for grinding ophthalmic lenses which employs the grinding wheel.... | 09/14/1999 |
| 5022187 | Device for regulating the grinding weight for an ophthalmic glass grinding machine The device is of the type comprising a carriage slidably and pivotally mounted on a shaft (101), and an arm (102) connected to the carriage and bearing against and slidable along a rail (108) parallel to the shaft (101), the arm (102) bearing against the ... | 06/11/1991 |
