Global Patent Index - EP 0170563 B1

EP 0170563 B1 19890215 - PROTECTING PROCESS FOR SHEATHED PRE-STRESSED STEEL CABLES

Title (en)

PROTECTING PROCESS FOR SHEATHED PRE-STRESSED STEEL CABLES

Publication

EP 0170563 B1 19890215 (FR)

Application

EP 85401282 A 19850625

Priority

  • FR 8409969 A 19840625
  • FR 8503677 A 19850313

Abstract (en)

[origin: EP0170563A1] 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.

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)

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