Global Patent Index - EP 1082270 A1

EP 1082270 A1 2001-03-14 - METHOD OF MAKING OPTICAL FIBERS

Title (en)

METHOD OF MAKING OPTICAL FIBERS

Title (de)

VERFAHREN ZUR HERSTELLUNG OPTISCHER FASERN

Title (fr)

PROCEDE SERVANT A FABRIQUER DES FIBRES OPTIQUES

Publication

EP 1082270 A1 (EN)

Application

EP 99920118 A

Priority

  • US 9909234 W
  • US 8387898 P

Abstract (en)

[origin: WO9957070A1] Different pieces of glass (81, 82) are fused together to create a preform (94) from which a glass fiber with axially varying properties is drawn.

IPC 1-7 (main, further and additional classification)

C03B 23/20; C03B 37/027

IPC 8 full level (invention and additional information)

G02B 6/00 (2006.01); C03B 23/20 (2006.01); C03B 37/012 (2006.01); G02B 6/02 (2006.01)

CPC (invention and additional information)

G02B 6/0288 (2013.01); C03B 37/01211 (2013.01); C03B 37/01234 (2013.01); C03B 37/01248 (2013.01); C03B 37/01493 (2013.01); G02B 6/02247 (2013.01); G02B 6/03627 (2013.01); G02B 6/03633 (2013.01); G02B 6/03644 (2013.01); G02B 6/03661 (2013.01); G02B 6/03688 (2013.01); C03B 2203/18 (2013.01); C03B 2203/22 (2013.01); C03B 2203/36 (2013.01)

Citation (search report)

See references of WO 9957070A1

Designated contracting state (EPC)

DE ES FI FR GB IT NL

EPO simple patent family

WO 9957070 A1 19991111; AU 3769299 A 19991123; AU 754688 B2 20021121; BR 9910046 A 20010102; CA 2327470 A1 19991111; CN 1298372 A 20010606; EP 1082270 A1 20010314; ID 27575 A 20010412; JP 2002513729 A 20020514; TW 432235 B 20010501; ZA 200004539 B 20010530

INPADOC legal status


2005-06-01 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040504

2001-03-14 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001002

2001-03-14 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FI FR GB IT NL