EP 1009885 A1 20000621 - TIGHT MAT
Title (en)
TIGHT MAT
Title (de)
DICHTUNGSMATTE
Title (fr)
MAT D'ETANCHEITE
Publication
Application
Priority
- DE 19738169 A 19970901
- EP 9805516 W 19980831
Abstract (en)
[origin: WO9911873A1] The invention relates to a tight mat comprising a support strip (1); a coating (2) of swellable clay (especially bentonite) applied thereto and a cover strip (3) wherein both strips (1 and 2) are textile strips and the cover strip (3) is joined to the support strip (1) by means of stitched seams (4) which penetrate the clay coating (2) and maintain the two textile strips at a distance (1,3) from each other. If at least one textile strip (1,3) is a woven fabric or a threaded structure, the outer side of the woven fabric or threaded structure is heavily structured and is provided with homogenously distributed projections (5) or ribs (5) along the surface and protruding at least 0.2 mm.
IPC 1-7
IPC 8 full level
E02B 3/12 (2006.01); B32B 3/16 (2006.01); B32B 5/30 (2006.01); B32B 9/00 (2006.01); E02D 31/00 (2006.01)
CPC (source: EP)
E02D 31/004 (2013.01)
Designated contracting state (EPC)
AT CH DE ES FR GB IT LI NL
DOCDB simple family (publication)
WO 9911873 A1 19990311; AT E221601 T1 20020815; DE 19738169 A1 19990311; DE 59805026 D1 20020905; EP 1009885 A1 20000621; EP 1009885 B1 20020731; ES 2180202 T3 20030201; JP 2001514980 A 20010918
DOCDB simple family (application)
EP 9805516 W 19980831; AT 98947485 T 19980831; DE 19738169 A 19970901; DE 59805026 T 19980831; EP 98947485 A 19980831; ES 98947485 T 19980831; JP 2000508862 A 19980831