| (19) |
 |
|
(11) |
EP 0 143 468 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
30.10.1985 Bulletin 1985/44 |
| (43) |
Date of publication A2: |
|
05.06.1985 Bulletin 1985/23 |
| (22) |
Date of filing: 29.11.1984 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB IT NL |
| (30) |
Priority: |
29.11.1983 JP 22519783
29.11.1983 JP 22519883
|
| (71) |
Applicant: TOKYO KOGAKU KIKAI KABUSHIKI KAISHA |
|
() |
|
| (72) |
Inventors: |
|
- Hara, Atsushi c/o Tokyo Kogaku Kikai
()
- Isokawa, Nobuhiro c/o Tokyo Kogaku Kikai
()
- Suzuki, Yasuo c/o Tokyo Kogaku Kikai
()
- Hatano, Yoshiyuki c/o Tokyo Kogaku Kikai
()
- Oogushi, Hiroaki c/o Tokyo Kogaku Kikai
()
|
|
| |
|
| (54) |
Edge grinding method and apparatus |
(57) A method for grinding an edge portion of a spectacle lens comprising steps of digitally
measuring a shape of a spectacle frame to which the lens is to be fitted to obtain
first digital values of measurement, and grinding the edge portion of the lens based
on the digital values to obtain a peripheral configuration of the lens which conforms
to the shape of the spectacle frame.