EP 0125382 B1 19860604 - DRAIN TUBE HAVING A SLEEVE
Title (en)
DRAIN TUBE HAVING A SLEEVE
Publication
Application
Priority
DE 3313147 A 19830412
Abstract (en)
1. Drop pipe section having a wall area (8) with a circular profile which extends over the greater part of its circumference, has a corrugated design and is connected to a base (4) with a bottom area (5) and side wall sections (6, 7), having a muff joint (12) formed in one piece at one end and adapted to receive the free end of a corrugated pipe section (2), and having slit-shaped water openings (3) arranged in the corrugated section of the wall area, characterised in that the bottom area (5) of the base (4) and the corresponding bottom area (5') of the muff joint (12) are designed with a slightly convex curve.
IPC 1-7
IPC 8 full level
E02B 11/00 (2006.01)
CPC (source: EP US)
E02B 11/005 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB LI NL SE
DOCDB simple family (publication)
EP 0125382 A1 19841121; EP 0125382 B1 19860604; AT E20260 T1 19860615; CA 1215241 A 19861216; DE 3313147 A1 19841018; DE 3460185 D1 19860710; JP H0140171 B2 19890825; JP S59199907 A 19841113; SU 1263204 A3 19861007; US 4930936 A 19900605
DOCDB simple family (application)
EP 84101054 A 19840202; AT 84101054 T 19840202; CA 449886 A 19840319; DE 3313147 A 19830412; DE 3460185 T 19840202; JP 7018184 A 19840410; SU 3721606 A 19840410; US 57726084 A 19840206