Door break-in protection device and method for securing of a door to break-in

摘要

Door break-in protection device for securing of doors, in particular for protection of doors with a door leaf (1) and a door frame (2), wherein the door leaf (1) arranged at the end face a door the case (3) and the door frame (2) a recess (4) for receiving the door the case (3), and the door frame (2) on its soffit (5) a case rebate (6), wherein the door break-in protection device as a blocking element (11) with associated sink (12) is formed, wherein said blocking element (1) on a the case rebate (6) facing front side (1 '') of the door leaf (1) at the height of the door the case (3) is to be arranged, and the sink (12) on one of the front side (1'') of the door leaf (1) frames fold facing surface (6 '') which is to be arranged, wherein the blocking element (11) and the sink (12) are to be arranged furthermore, in such a way that the blocking element (11) of the front side (1'') in the direction of the frames fold surface (6 '') and engaged with the depression (12) is in engagement when the door (10) is closed and the door the case (3) with the recess (4) is in engagement, so that a pushing back of the door the case (3) by means of a between the door leaf (1) and the door frame (2) formed on the other side of the closing joint (7) and thus prevents an unauthorized opening of the door (10) is prevented.