EP 0307541 B1 19910515 - DRAINAGE MAT
Title (en)
DRAINAGE MAT
Publication
Application
Priority
- US 48065783 A 19830331
- US 48099083 A 19830331
- US 48110483 A 19830331
Abstract (en)
[origin: EP0307541A2] A drainage mat comprising a three-dimensional openwork covered on at least a major surface with a water permeable fabric (1), said fabric having a permittivity from 0.2 sec-<1> to 2.0 sec<-><1> and exhibiting a dynamic permeability after 10<6> loadings of at least 10<-><4> cm per second. Preferably the mat is elongate, bendable and has a rectangular transverse cross section, and comprises a polymeric core (2) enveloped by the water permeable fabric (1), said core having a plurality of substantially rigid fingers (4) extending from one side of a layer (3).
IPC 1-7
IPC 8 full level
E01C 11/22 (2006.01); E01C 13/08 (2006.01); E01C 13/10 (2006.01); E01F 5/00 (2006.01); E02B 11/00 (2006.01)
CPC (source: EP KR)
E01C 11/225 (2013.01 - EP); E01C 11/227 (2013.01 - EP); E01C 13/08 (2013.01 - EP); E01C 13/10 (2013.01 - EP); E01F 5/00 (2013.01 - EP KR); E02B 11/00 (2013.01 - EP); E01B 2204/05 (2013.01 - EP)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0307541 A2 19890322; EP 0307541 A3 19890405; EP 0307541 B1 19910515; AU 2627684 A 19841004; DE 3479597 D1 19891005; DE 3484601 D1 19910620; DK 174184 A 19841001; DK 174184 D0 19840330; EP 0124500 A2 19841107; EP 0124500 A3 19860319; EP 0124500 B1 19890830; KR 840007924 A 19841211; NO 841280 L 19841001
DOCDB simple family (application)
EP 88106595 A 19840329; AU 2627684 A 19840330; DE 3479597 T 19840329; DE 3484601 T 19840329; DK 174184 A 19840330; EP 84870047 A 19840329; KR 840001685 A 19840330; NO 841280 A 19840330