To provide a drilling processing device for a rimless lens which automatically forms holes having different diameters or holes having different shapes.
The drilling processing device for a rimless lens related to the present invention is a drilling processing device for a rimless lens for providing a hole for mounting a rimless frame on a rimless lens 203 and is characterized in that it is provided with a hole diameter variable means for varying a diameter of the hole or a hole shape variable means for varying a shape of the hole. This hole diameter variable means comprises a drilling tool 201 provided with outer diameter parts 207, 208, 209 having a plurality of different outer diameters; and moving means 211, 400 for relatively moving this drilling tool and the rimless lens 203. The hole shape varying means comprises the drilling tool; and moving means 211, 400 for relatively moving this drilling tool and the rimless lens.
SUZUKI YASUO
OGAWA YOSHIMASA
ETO YASUTO
TOPCON CORP
Nishimura Kimiyoshi