EP 3943671 B1 20230712 - METHOD AND SYSTEM OF DREDGING OF AN UNDERGROUND CONDUIT
Title (en)
METHOD AND SYSTEM OF DREDGING OF AN UNDERGROUND CONDUIT
Title (de)
VERFAHREN UND SYSTEM ZUM BAGGERN EINES UNTERIRDISCHEN KANALS
Title (fr)
PROCÉDÉ ET SYSTÈME DE DRAGAGE D'UN CONDUIT SOUSTERRAIN
Publication
Application
Priority
IT 202000017962 A 20200724
Abstract (en)
[origin: EP3943671A1] Dredging system of a conduit (T), accessible throughh at least a first (PI) and a second (P2) inspection channel or access passage, which connect and delimit this section of conduit to the surface (S), said system comprising machinery (M1,M2) for positioning a respective winch (A1, A2) along each inspection duct on the junction between each inspection well and said duct. These means are arranged on the surface above the section of duct and each winch is connected with a cable or rope (CI, C2) which at its free end is connected with a sediment collection container (S) sliding along the section of duct through these winches and which collects the sediments. These machines (M1, M2) comprise means for moving the winches along the inspection channel and positioning them on the bottom of it substantially at the same level as the section of duct to be dredged.
IPC 8 full level
E02F 3/90 (2006.01); B08B 9/043 (2006.01); E02F 3/92 (2006.01); E02F 5/28 (2006.01); E02F 9/00 (2006.01); E03F 9/00 (2006.01)
CPC (source: EP)
B08B 9/0436 (2013.01); E02F 3/90 (2013.01); E02F 3/925 (2013.01); E02F 5/285 (2013.01); E02F 9/00 (2013.01); E03F 9/002 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3943671 A1 20220126; EP 3943671 B1 20230712; DK 3943671 T3 20231002; ES 2956984 T3 20240105; HR P20231198 T1 20240119; IT 202000017962 A1 20220124; RS 64761 B1 20231130; SI 3943671 T1 20231229
DOCDB simple family (application)
EP 21187029 A 20210721; DK 21187029 T 20210721; ES 21187029 T 20210721; HR P20231198 T 20210721; IT 202000017962 A 20200724; RS P20230885 A 20210721; SI 202130067 T 20210721