Global Patent Index - EP 0170563 A1

EP 0170563 A1 19860205 - Protecting process for sheathed pre-stressed steel cables.

Title (en)

Protecting process for sheathed pre-stressed steel cables.

Title (de)

Schutzverfahren für umhüllte Stahlspannglieder.

Title (fr)

Procédé de protection de câbles de précontrainte metalliques gaines.

Publication

EP 0170563 A1 19860205 (FR)

Application

EP 85401282 A 19850625

Priority

  • FR 8409969 A 19840625
  • FR 8503677 A 19850313

Abstract (en)

1. Method of protecting metal cables prestressed under tension and housed inside a sheath by injecting a protective material into the interior of the sheath, characterized in that teh protective material which comprises at least one microcrystalline petroleum wax is injected at a temperature which is above its melting temperature and at a pressure which is comprised between one and three bars and which is preferably between 1.8 and 2.2 bars.

Abstract (fr)

Procédé de protection de câbles métalliques sous tension logés dans des gaines qui consiste à l'injection d'un produit souple et stable à base de cire pétrolière. Application à la réalisation des structures des ouvrages d'art.

IPC 1-7

E04C 5/08; E04G 21/12

IPC 8 full level

E04C 5/08 (2006.01); E04G 21/12 (2006.01)

CPC (source: EP)

E04C 5/08 (2013.01); E04G 21/12 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0170563 A1 19860205; EP 0170563 B1 19890215; DE 3568292 D1 19890323

DOCDB simple family (application)

EP 85401282 A 19850625; DE 3568292 T 19850625