Patent ID: 8585948

Claim:
A method for applying a reference mark on a rotor blade ( 1 ) for a wind power plant, comprising the step of after producing the rotor blade ( 1 ) in a manufacturing mold ( 34 , 34 ′, 35 ) and before removing the rotor blade ( 1 ) from the manufacturing mold ( 34 , 34 ′, 35 ) applying a reference mark in the area of a rotor blade root ( 5 ) of the rotor blade ( 1 ) by means of a marking device ( 23 ), which is connected to a holding device ( 21 ) disposed at a predetermined or predeterminable position on the manufacturing mold ( 34 , 34 ′, 35 ) wherein the reference mark is created by means of a bore through a drilling template ( 24 ) of the marking device ( 23 ).