Patent ID: 8171697
Filing Date: 2012-05-08
Classification: F16B

Abstract:
1. An anchor for use in connection with a lightweight construction panel ( 100 ) having an upper cover plate ( 101 ) and a lower cover plate ( 111 ) with a support core ( 121 ) disposed therebetween, said anchor comprising a cylinder body ( 10 ) having a bottom ( 140 ), a displacement body ( 50 ) and a cement container ( 40 ) provided with desired rupture structures, the cylinder body ( 10 ) including at least two engagement elements ( 22 ) which, upon insertion of the displacement body ( 50 ) into the cylinder body ( 10 ), are spread apart below the upper cover plate ( 101 ) when the anchor is disposed in a bore ( 130 ) in the lightweight construction panel, the cement container ( 40 ) being disposed within the cylinder body ( 10 ) which includes several openings ( 16 , 142 , 143 ) the displacement body ( 50 ) and the cylinder body ( 10 ) having at least over part of their length a shaft and hub coupling ( 70 ) providing for a rotationally fixed, but longitudinally relatively moveable, connection to permit rotating of the cylinder body ( 10 ) by the displacement body ( 50 ), said cylinder body bottom ( 140 ) having a lower face with at least one broaching web ( 155 ) for removing any residual material from the surface area of the lower cover plate ( 111 ) adjacent the anchor by the rotation of the anchor when it approaches the lower cover plate ( 111 ).