EP 0969151 A1 20000105 - Covered drainpipe
Title (en)
Covered drainpipe
Title (de)
Ummanteltes Drainagerohr
Title (fr)
Tuyau de drainage revêti
Publication
Application
Priority
EP 98202189 A 19980630
Abstract (en)
This invention concerns a covered drain pipe comprising a drain pipe (1) with a length which is enveloped by a sleeve (2) of a knitting of a filter material, whereby the sleeve (2) is fixed to the drain pipe (1) in longitudinal direction of the drain pipe (1). The invention also concerns a process for manufacturing a covered drain pipe. <IMAGE>
IPC 1-7
IPC 8 full level
E02B 11/00 (2006.01)
CPC (source: EP)
E02B 11/005 (2013.01)
Citation (applicant)
- EP 0029713 A1 19810603 - KNITTED SLEEVE OVERSEAS LTD [US]
- EP 0208043 A1 19870114 - JANSRUDVANGEN ROLF
- EP 0007045 A1 19800123 - HOECHST AG [DE]
Citation (search report)
- [XAY] FR 1576289 A 19690725
- [YDA] EP 0007045 A1 19800123 - HOECHST AG [DE]
- [A] US 5466092 A 19951114 - SEMENZA CHRISTOPHER G [US], et al
- [A] FR 2129456 A5 19721027 - SMET HUGO
- [A] US 3976578 A 19760824 - BEANE FRANK T
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 0969151 A1 20000105; EP 0969151 B1 20040714; AT E271161 T1 20040715; DE 69825039 D1 20040819; DE 69825039 T2 20050818; DK 0969151 T3 20041122; ES 2226062 T3 20050316
DOCDB simple family (application)
EP 98202189 A 19980630; AT 98202189 T 19980630; DE 69825039 T 19980630; DK 98202189 T 19980630; ES 98202189 T 19980630