Prevenfion break a door

摘要

This is designed in the doorframe (2) of door (1) and the door for normal door and extends to munteum (4) open door (1) when an attacker attempts to push and force intrusion attempt, munteum (4) in firewall blocks horizontal line (3) to be configured at doorframe (2), effractor postpones (by ensuring that a people can push refusal Paru, etc.) arrive munteum (4), it is avoided so that an attacker can be used as (1) open door intention, it is frequent occurrence, illustriously it is being designed for aspect, extend to the door of intrusion of the force open to gangjeoldo events.