(19)
(11) EP 0 083 349 A1

(12)

(43) Date of publication:
13.07.1983 Bulletin 1983/28

(21) Application number: 82901978.0

(22) Date of filing: 07.07.1982
(51) International Patent Classification (IPC): 
C03B 37/ 027( . )
G02B 6/ 10( . )
(86) International application number:
PCT/GB1982/000200
(87) International publication number:
WO 1983/000232 (20.01.1983 Gazette 1983/02)
(84) Designated Contracting States:
AT BE CH DE FR LI LU NL SE

(30) Priority: 07.07.1981 GB 19810020996

(71) Applicant: CENTRAL ELECTRICITY GENERATING BOARD
London ECIA 7AU (GB)

(72) Inventors:
  • PAYNE, David Neil
    Maybush Southampton (GB)
  • MANSFIELD, Robert James
    Chandlers Ford Hampshire (GB)
  • RAMSKOV-HANSEN, Jens Jorn
    Southampton (GB)
  • HADLEY, Maxwell Richard
    Southampton (GB)
  • BARLOW, Arthur John
    Portswood Southampton (GB)

(74) Representative: Rennie, Ian Malcolm 
BOULT, WADE & TENNANT 27 Furnival Street
London EC4A 1PQ
London EC4A 1PQ (GB)

   


(54) OPTICAL FIBRES AND THEIR MANUFACTURE