Patent ID: 8172484

Claim:
Drilling anchor of fiber-reinforced plastic, with an axial bore ( 2 ) that runs along its entire length, in which the drilling anchor ( 1 ) has fibers running in the longitudinal direction of the drilling anchor ( 1 ) and fibers running at an angle to the longitudinal direction of the drilling anchor ( 1 ), wherein a first fiber layer ( 4 ) of fibers running at an angle to the longitudinal direction of the drilling anchor ( 1 ) is surrounded by a second fiber layer ( 5 ) with fibers running in the longitudinal direction of the drilling anchor ( 1 ) and that the second fiber layer ( 5 ) is surrounded by at least a third fiber layer ( 6 ) with fibers running at an angle to the longitudinal direction of the drilling anchor ( 1 ), and that the drilling anchor ( 1 ) has a thread extending over its entire length ( 3 ), which is formed into at least one outer fiber layer ( 6 , 7 ) of the drilling anchor ( 1 ).