Patent ID: 7789589
Filing Date: 2010-09-07
Classification: E21D,F16B

Abstract:
1. A fastening element, comprising an anchor tube ( 12 ) having a receiving chamber ( 13 ) for a hardenable mass; a drilling head ( 21 ) provided at one end ( 16 ) of the anchor tube ( 12 ) and having at least one inlet opening ( 23 ) that opens toward the receiving chamber ( 13 ) of the anchor tube ( 12 ), and at least one through-opening ( 24 ) that opens outwardly for passing of the hardenable mass therethrough; and a mixing element ( 31 ) for the hardenable mass and located completely in the drilling head ( 21 ) between the at least one inlet opening ( 23 ) and the at least one through-opening ( 24 ).