Global Patent Index - EP 1964980 A1

EP 1964980 A1 20080903 - Excavating means and method to cast in-situ cast walls

Title (en)

Excavating means and method to cast in-situ cast walls

Title (de)

Aushebemittel und Verfahren zum Gießen von Gusswänden vor Ort

Title (fr)

Moyen d'excavation et procédé pour couler des murs coulés sur site

Publication

EP 1964980 A1 20080903 (EN)

Application

EP 07004124 A 20070228

Priority

EP 07004124 A 20070228

Abstract (en)

An excavating device for excavating trenches in a ground surface in an excavation direction according to the present invention comprises - a clamshell excavating means for excavating ground, the clamshell excavating means having an opened position for receiving ground to be excavated, the projection on a plane perpendicular to the excavation direction of the bite of the clamshell excavating means in opened position having a bite circumference; - a guiding means being coupled to the clamshell excavating means in a locked position, the guiding means having a guiding surface extending in excavation direction, the guiding surface having a guiding length Dg in excavation direction; - a hollow casing having an inner wall having a length Dc smaller than the guiding length Dg, the hollow casing being adapted to be pressed into the ground surface to a depth of less than or equal to Dc, the projection of the inner wall in excavation direction substantially coinciding to the bite circumference. The guiding surface is adapted for contacting the inner wall of the hollow casing for preventing the guiding means and the clamshell excavating means from deflecting from the excavation direction during excavation. The present invention further relates to a method of excavation of trenches and a method to in-situ cast an at least partially sunken modular walls

IPC 8 full level

E02D 17/13 (2006.01)

CPC (source: EP)

E02D 11/00 (2013.01); E02D 17/13 (2013.01); E04C 5/06 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 1964980 A1 20080903; EP 1964981 A1 20080903

DOCDB simple family (application)

EP 07004124 A 20070228; EP 08447013 A 20080228