EP 1030001 A3 20010509 - Duct system for prestressing steel and method of making the same
Title (en)
Duct system for prestressing steel and method of making the same
Title (de)
Hüllrohrsystem für Vorspannstähle in Spannbeton und Herstellungsverfahren hierfür
Title (fr)
Système de gaines pour acier de précontraint et procédé de fabrication
Publication
Application
Priority
DE 19906370 A 19990216
Abstract (en)
[origin: EP1030001A2] The cover pipe system consisting of a number of cover pipes (1) provided (for purposes of forming joints) with inner and outer screwed elements (2, 3) at their ends comprises a screwed connection which is installed into a bore in a cover pipe, is welded to the latter, and serves for ventilation and/or injection of an injection liquid. Also claimed is a method for producing such cover pipe systems. The method involves production of bores at specified points of the cover pipe system for screwed connections.
IPC 1-7
IPC 8 full level
E04C 5/10 (2006.01)
CPC (source: EP)
E04C 5/10 (2013.01)
Citation (search report)
- [Y] DE 29601029 U1 19960523 - DROSSBACH GMBH & CO KG [DE]
- [Y] EP 0875636 A1 19981104 - FREYSSINET INT STUP [FR]
- [A] US 5342470 A 19940830 - MEIRANA GIOVANNI [IT]
- [A] US 5125431 A 19920630 - VOGEL JAMES D [US], et al
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1030001 A2 20000823; EP 1030001 A3 20010509; DE 19906370 A1 20000907
DOCDB simple family (application)
EP 99104996 A 19990312; DE 19906370 A 19990216