Werkwijze en hei-inrichting voor het in de grond aanbrengen van funderingspalen.

摘要

The method involves withdrawing two pipe segments from the ground using a withdrawal element so that a hole is left in the ground. A base plate is left behind in the hole. A setting substance is introduced on the top of the base plate. Independent claims are also included for the following: (1) pile-driving device; and (2) telescopic foundation pipe system.