Patent ID: 8727302

Claim:
A formwork element with a formwork facing and a locking device for an anchor bar of a concrete wall formwork anchor system, the locking device comprising: a threaded nut element having a threaded nut thread structured for threading the anchor bar, wherein an end of said threaded nut element which is to be located at the concrete formwork side has an integral tubular guiding device, said tubular guiding device being flush with said threaded nut thread, said guiding device having a free end into which the anchor bar is introduced; a cap plate fastened to a rear face of the formwork element of the concrete wall formwork and comprising a spherically designed plate region having an opening in which the threaded nut element is disposed with radial clearance, wherein said threaded nut element has a groove-like radial circumferential receptacle in which edges of the opening in the spherical plate region are received; and an annular sealing element structured for sealing an anchor penetration hole in the formwork facing, said sealing element having an inner sealing ring exhibiting rubber elasticity or viscoelasticity, wherein a free end of said guiding device to be located at a formwork element side sealingly protrudes into said inner sealing ring.