EP 0640744 A3 19950802 - Reinforced steel concrete section tube.
Title (en)
Reinforced steel concrete section tube.
Title (de)
Rohrabschnitt aus bewehrtem Stahlbeton.
Title (fr)
Section de tube en béton armé.
Publication
Application
Priority
DE 4328498 A 19930826
Abstract (en)
[origin: EP0640744A2] The invention relates to a pipe section of reinforced concrete, in particular a jacking pipe section, the axial ends of which are designed as connection ends (1a, 1b, 2a, 2b) for connecting to following pipe sections (2), and arranged on one end (1b) of a pipe section (1) is a steel sleeve (5) for overlapping the other end (2a) of a following pipe section (2), the steel sleeve (5) being secured with anchors (6) in the pipe wall (4) in the area of the overlap. In order to obtain a reliable encircling seal, provision is made for the sleeve (5) to be provided in the area of its end (5a) facing the pipe section (1) with a radially inner, encircling profile (10) which is integrally cast in the reinforced concrete of the pipe wall (4). <IMAGE>
IPC 1-7
IPC 8 full level
E21B 17/08 (2006.01); E21D 9/00 (2006.01); E21D 11/08 (2006.01); E21D 11/38 (2006.01)
CPC (source: EP)
E21B 7/20 (2013.01); E21D 9/005 (2013.01); E21D 11/083 (2013.01); E21D 11/385 (2013.01)
Citation (search report)
- [A] AT 382224 B 19870126 - FERTIGTEILBAU WIEN GMBH [AT]
- [A] DE 8717546 U1 19890302
- [A] DE 3213952 A1 19831027 - RUHRKOHLE AG [DE]
- [A] GB 2124277 A 19840215 - NIPPON ZENITH PIPE [JP], et al
- [A] DE 3613140 A1 19871022 - WAYSS & FREYTAG AG [DE]
- [A] EP 0257287 A1 19880302 - DYCKERHOFF & WIDMANN AG
- [A] EP 0077898 A1 19830504 - SCHLEGEL LINING TECH GMBH [DE]
Designated contracting state (EPC)
AT BE CH DE FR LI LU
DOCDB simple family (publication)
EP 0640744 A2 19950301; EP 0640744 A3 19950802; EP 0640744 B1 19980422; AT E165422 T1 19980515; DE 4328498 A1 19950302; DE 4328498 C2 19960808; DE 59405769 D1 19980528
DOCDB simple family (application)
EP 94112164 A 19940804; AT 94112164 T 19940804; DE 4328498 A 19930826; DE 59405769 T 19940804