EP 1283968 A1 20030219 - SEALING SYSTEM FOR JACKING PIPES
Title (en)
SEALING SYSTEM FOR JACKING PIPES
Title (de)
DICHTUNGSSYSTEM FÜR VORTRIEBSROHRE
Title (fr)
SYSTEME D'ETANCHEITE POUR TUBES-GUIDES
Publication
Application
Priority
- DE 20009256 U 20000524
- EP 0105454 W 20010514
Abstract (en)
[origin: WO0190626A1] According to the invention, a sealing system with several sealing rings (5, 5a, 7) is provided on the connection pieces of jacking pipes (10, 11). The system has a leakage testing system whereby testing means are inserted into the pipeline (8a) and into the intermediate spaces (6, 35); and the sealing means are post-pressed through the feed sections (25, 26, 27) into the cavities of the sealing rings and the intermediate spaces (6, 35).
IPC 1-7
IPC 8 full level
E21D 9/00 (2006.01); E21D 11/38 (2006.01)
CPC (source: EP)
E21D 9/005 (2013.01); E21D 11/385 (2013.01); E21D 11/386 (2016.01)
Citation (search report)
See references of WO 0190626A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0190626 A1 20011129; AU 1012702 A 20011203; DE 20108163 U1 20011115; EP 1283968 A1 20030219
DOCDB simple family (application)
EP 0105454 W 20010514; AU 1012702 A 20010514; DE 20108163 U 20010515; EP 01980036 A 20010514