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(11) | EP 1 681 395 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Installation for carrying out operations on or in a substrate, such as inserting or extracting a slim object |
| (57) An installation for carrying out operations on or in a substrate, such as driving
into the substrate or extracting from the substrate a slim object, such as a sheet
pile or a pile, comprising a mobile chassis (1), a leader (3) supported on the chassis,
an auxiliary device (6) as well as support means (7) for supporting the auxiliary
device in such a way that this can move in the longitudinal direction of the leader
and can be turned about an axis of rotation essentially parallel to the leader. The
support means consist of at least a part of a rotationally symmetrical support that
can move in the longitudinal direction of the support and at least partially surrounds
the leader, as well a carriage that is supported on the support and can be moved in
the peripheral direction over the support and to which the auxiliary device is attached.
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