Patent ID: 7694473

Claim:
A wind energy plant tower with a tower portion ( 10 ) made of a concrete material and a steel-made tubular tower segment ( 60 ), which has on its foot a plurality of connection bores ( 68 ) for connection to the tower portion ( 10 ) made of the concrete material, characterized in that the tower portion ( 10 ) made of the concrete material has a head portion ( 18 ), a portion ( 20 ) of the head portion ( 18 ) projecting radially inwardly, the tower portion ( 10 ) having a plurality of openings ( 30 ), such that a plurality of anchor bolts ( 70 ) are provided, which can be fastened after the completion of the tower portion ( 10 ) made of the concrete material each at a time in or on one of the connection bores ( 68 ) on the foot of the steel-made tower segment ( 60 ) and one of the openings ( 30 ) in the head portion ( 18 ).