Global patent index - EP 1030824 A1

EP 1030824 A1 2000-08-30 - APPARATUS AND METHOD FOR DRAWING WAVEGUIDE FIBERS

Title (en)

APPARATUS AND METHOD FOR DRAWING WAVEGUIDE FIBERS

Title (de)

VORRICHTUNG UND VERFAHREN ZUM ZIEHEN VON WELLENLEITERFASERN

Title (fr)

APPAREIL PERMETTANT L'ETIRAGE DE FIBRES DE GUIDE D'ONDES ET PROCEDE CORRESPONDANT

Publication

EP 1030824 A1 (EN)

Application

EP 98954984 A

Priority

  • US 9821872 W
  • US 6382597 P

Abstract (en)

[origin: WO9923040A1] A furnace (12) has a muffle tube (22) that is coated with silicon carbide. It is tubular. They make a fiber (36) with it.

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

C03B 37/05; C03B 37/03

IPC 8 full level (invention and additional information)

G02B 6/00 (2006.01); C03B 37/029 (2006.01); H05B 6/02 (2006.01)

CPC (invention and additional information)

C03B 37/029 (2013.01); C03B 2205/64 (2013.01); Y02P 40/57 (2015.11)

Designated contracting state (EPC)

AT CH DE DK ES FI FR GB GR IT LI NL SE

EPO simple patent family

WO 9923040 A1 19990514; AU 1189699 A 19990524; AU 734347 B2 20010614; BR 9813139 A 20000815; CA 2306269 A1 19990514; CN 1276772 A 20001213; EP 1030824 A1 20000830; EP 1030824 A4 20001220; JP 2001521871 A 20011113; TW 407217 B 20001001

INPADOC legal status

2004-03-10 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030503

2000-12-20 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20001107

2000-12-20 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT CH DE DK ES FI FR GB GR IT LI NL SE

2000-12-20 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7C 03B 37/029 A, 7H 05B 6/02 B

2000-08-30 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000526

2000-08-30 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT CH DE DK ES FI FR GB GR IT LI NL SE