EP 3884138 A1 20210929 - SUPPORT RIB OF AN EXCAVATION AND METHOD FOR PRODUCING A SUPPORT STRUCTURE INSIDE AN EXCAVATION
Title (en)
SUPPORT RIB OF AN EXCAVATION AND METHOD FOR PRODUCING A SUPPORT STRUCTURE INSIDE AN EXCAVATION
Title (de)
STÜTZRIPPE EINER AUSGRABUNG UND VERFAHREN ZUR HERSTELLUNG EINER STÜTZSTRUKTUR INNERHALB EINER AUSGRABUNG
Title (fr)
NERVURE DE SUPPORT D'UNE EXCAVATION ET PROCÉDÉ DE FABRICATION D'UNE STRUCTURE DE SUPPORT À L'INTÉRIEUR D'UNE EXCAVATION
Publication
Application
Priority
- IT 201800010509 A 20181122
- IB 2019059983 W 20191120
Abstract (en)
[origin: WO2020104966A1] A rib (10) for supporting an excavation comprises at least one structural element (12) and at least one connection assembly (14) for the structural element of the rib with respect to a structural element of an adjacent rib (10' '), wherein the connection assembly (14) comprises a male engagement element (30) and a female engagement element (32); the male engagement element comprises a head (26) and a neck (24) and the female engagement element comprises a retention element (40), the head (26) being capable of being inserted in the female engagement member (32' ') of the connection assembly (14' ') of the adjacent rib (10' ') in such a manner that the retention element (40' ') of the female engagement element (32' ') of the adjacent rib (10' ') retains the neck (24).
IPC 8 full level
E21D 11/28 (2006.01)
CPC (source: EP)
E21D 11/28 (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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020104966 A1 20200528; BR 112021006831 A2 20210810; CN 113015843 A 20210622; EP 3884138 A1 20210929; EP 3884138 B1 20240612; IT 201800010509 A1 20200522
DOCDB simple family (application)
IB 2019059983 W 20191120; BR 112021006831 A 20191120; CN 201980074741 A 20191120; EP 19827811 A 20191120; IT 201800010509 A 20181122