Drilling synthetic organic ophthalmic lenses to make frameless spectacles, penetrates pile of lenses simultaneously, followed by hole edge-smoothing processes

The lens (10) is placed in a pile of them. All are drilled (14) in a single pass. The lens is taken from the pile, and the bore is polished and chamfered, to smooth its edges. An independent claim is included for a corresponding polishing and grinding tool. La présente invention concerne un procédé...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MASSEY GILLES, NAUCHE MICHEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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