Title (en)

UNDERGROUND DRAINAGE

Publication

EP 0499442 A3 19930804 (EN)

Application

EP 92301123 A 19920211

Priority

• GB 9102815 A 19910211
• GB 9120307 A 19910924

Abstract (en)

[origin: EP0499442A2] A drainage component comprises a flexible panel having a water permeable surface 9 and an interior 1, 3, 5 providing for flow of water from the permeable surface 9 to an outlet 11. In use, the outlet 11 communicates with a drainage pipe 45, for example. Means 21, 17 are also provided for connecting the drainage component to the pipe. The drainage component can also be used for stabilising and/or ventilating ground, as well as draining ground. <IMAGE>

IPC 1-7

E02B 11/00

IPC 8 full level

E02B 11/00 (2006.01); E02D 3/10 (2006.01)

CPC (source: EP)

E02B 11/00 (2013.01); E02D 3/10 (2013.01)

Citation (search report)

• [X] FR 2628127 A1 19890908 - WAVIN BV [NL]
• [A] US 4898494 A 19900206 - ELLIS DONN [US]
• [A] US 4925342 A 19900515 - HENDY DANIEL M [US]
• [A] DE 2640665 A1 19770317 - MITSUI PETROCHEMICAL IND
• [A] EP 0023871 A1 19810211 - COFRAD SARL [FR]
• [A] GB 1055027 A 19670111 - REHAU PLASTIKS
• [A] US 3514129 A 19700526 - HOLDREN DONALD R
• [A] US 3645562 A 19720229 - FANDETTI MATTHEW R, et al

Designated contracting state (EPC)

DE ES FR IT NL

DOCDB simple family (publication)

EP 0499442 A2 19920819; EP 0499442 A3 19930804; EP 0499442 B1 19980722; DE 69226297 D1 19980827; DE 69226297 T2 19990225; ES 2120987 T3 19981116; GB 2253125 A 19920902; GB 2253125 B 19950104; GB 9203058 D0 19920325

DOCDB simple family (application)

EP 92301123 A 19920211; DE 69226297 T 19920211; ES 92301123 T 19920211; GB 9203058 A 19920211