Patent ID: 7374369

Claim:
A method for the earthwork of a foundation comprising: providing an anchor cage comprising an anchor plate and several anchoring bolts which are connected with the anchor plate, each anchoring bolt comprising a free end; providing at least three strippable nuts and screwing each strippable nut on an anchoring bolt; providing a load distribution plate comprising a plurality of bores and orienting the load distribution plate with the free ends of the anchoring bolts guided through the bores and the load distribution plate laying on the strippable nuts; providing a reinforcement for the foundation; providing concrete and pouring the foundation such that the anchoring bolts protrude from the concrete with the strippable nuts thereon; wherein upon subsequent tightening of the anchoring bolts between the anchor plate and the load distribution plate, the strippable nuts are stripped over the thread of the anchoring bolt and lose their supporting capability.