Global Patent Index - EP 0987718 A1

EP 0987718 A1 2000-03-22 - Impregnation compound for electrical cables

Title (en)

Impregnation compound for electrical cables

Title (de)

Imprägnierzusammensetzung für elektrische Kabel

Title (fr)

Composition d'imprégnation pour cables électriques

Publication

EP 0987718 A1 (EN)

Application

EP 99401901 A

Priority

NO 984234 A

Abstract (en)

An impregnation compound for electrical cables, especially for high voltage DC power cables, with an insulation of a plurality of permeable tapes, has a high nearly constant viscosity of 200 - 700 Pas up to an operating cable conductor temperature of at least 40 DEG C and low viscosity of less than 0.1 Pas in a temperature range of about 75 DEG to 130 DEG C. The compound consists of 80-98wt% of a mineral oil, 1-10wt% of a thermoplastic elastomer and 1-10wt% of a gas absorbing agent, especially dibenzyltoluene.

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

H01B 3/22; H01B 3/28

IPC 8 full level (invention and additional information)

H01B 9/06 (2006.01); H01B 3/22 (2006.01); H01B 3/28 (2006.01)

CPC (invention and additional information)

H01B 3/22 (2013.01); H01B 3/28 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DK GB IT SE

EPO simple patent family

EP 0987718 A1 20000322; JP 2000090750 A 20000331; NO 984234 A 20000315; NO 984234 D0 19980914

INPADOC legal status


2003-05-14 [18W] WITHDRAWN

- Effective date: 20030312

2001-08-08 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: NEXANS

2001-01-11 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2000-12-06 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DK GB IT SE

2000-11-22 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000922

2000-03-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DK GB IT SE

2000-03-22 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI