Patent ID: 8393124

Claim:
An anchor for a form- and material-locking installation in construction panels ( 100 ) comprising spaced first and second cover plates ( 101 , 111 ) with a support core layer ( 121 ) disposed between the cover plates ( 101 , 111 ), said anchor including at least an expansion body ( 10 ) which, with the anchor being installed in a bore ( 130 ) of the construction panel ( 100 ) extends through the first cover plate ( 101 ) and the intermediate support core layer ( 121 ) and ends in the second cover plate ( 111 ), the expansion body ( 10 ) having engagement elements ( 42 ) which spread outwardly so as to abut the inner surface of the first cover plate ( 101 ) and including an axial anchor bore ( 35 ) which is in communication via transverse and inclined passages ( 48 ) and channels ( 49 ) with at least one cavity ( 104 , 114 , 124 ) disposed between the expansion body ( 10 ) and the walls surrounding the expansion body ( 10 ) and forming the construction panel bore ( 130 ), the anchor further having, at its top end disposed in the space surrounded by the engagement elements ( 42 ), a tubular section ( 31 ) for accommodating a mounting means, the tubular section ( 31 ) and the engagement elements ( 42 ) forming therebetween the channels ( 49 ), and at its lower end, a lower spreading section ( 50 ) with clamping elements ( 52 ) and wedge body ( 60 ) for insertion into the lower spreading section ( 50 ) for bending the clamping ( 52 ) into engagement with the second cover plate ( 111 ).