(19)
(11)
EP 0 681 711 A1
(12)
(43)
Date of publication:
15.11.1995
Bulletin 1995/46
(21)
Application number:
94907325.0
(22)
Date of filing:
25.01.1994
(51)
International Patent Classification (IPC):
B23K
26/
06
( . )
G02C
7/
04
( . )
G02B
5/
18
( . )
G02C
7/
06
( . )
(86)
International application number:
PCT/US1994/000918
(87)
International publication number:
WO 1994/017435
(
04.08.1994
Gazette 1994/18)
(84)
Designated Contracting States:
AT BE DE DK ES FR GB IE IT NL
(30)
Priority:
27.01.1993
GB 19930001614
(71)
Applicant:
PILKINGTON BARNES HIND, INC.
Sunnyvale, California 94086-5200 (US)
(72)
Inventor:
FREEMAN, Michael, H.
Clwyd LL16 3BW (GB)
(74)
Representative:
BROOKES & MARTIN
High Holborn House 52/54 High Holborn
London, WC1V 6SE
London, WC1V 6SE (GB)
(54)
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