(19)
(11) EP 0 277 969 A1

(12)

(43) Date of publication:
17.08.1988 Bulletin 1988/33

(21) Application number: 87905054.0

(22) Date of filing: 10.07.1987
(51) International Patent Classification (IPC): 
G01B 11/ 00( . )
B23Q 17/ 24( . )
B24B 13/ 00( . )
G02C 7/ 04( . )
B23B 1/ 00( . )
B24B 1/ 00( . )
B24B 49/ 12( . )
G02C 13/ 00( . )
(86) International application number:
PCT/US1987/001655
(87) International publication number:
WO 1988/000506 (28.01.1988 Gazette 1988/03)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 11.07.1986 US 19860884376

(71) Applicant: INTERNATIONAL HYDRON CORPORATION
Woodbury New York 11797 (US)

(72) Inventors:
  • HALLER, Michael, W., E.
    Surrey GU19 5NS (GB)
  • PAYNE, Kenneth, R.
    Basingstoke Hampshire RG22 4EF (GB)
  • WEBB, Brian, L.
    Bagshot Surrey GU19 5HB (GB)

(74) Representative: Smart, Peter John, et al 
W.H. BECK, GREENER & CO 7 Stone Buildings Lincoln's Inn
London WC2A 3SZ
London WC2A 3SZ (GB)

   


(54) IN SITU BASE CURVE VERTEX DETECTION AND EMPLOYMENT THEREOF IN CONTACT LENS MANUFACTURE