METHOD OF MANUFACTURING BODY FRAME OF LARGE-SIZE SAFE, AND SAFE BODY FRAME MANUFACTURED THEREOF

摘要

The present invention relates to method of manufacturing body frame of a large-size safe to prevent thieves from stealing and fireproofing, and a safe door and/or a safe frame to prevent thieves from stealing and fireproofing manufactured thereof. The present invention comprises: cutting an outer frame (steel plate) of a door such that a plurality of bending processes are performed in one bending machine; bending a cut steel plate into a bending machine in order to minimize entry of flames and heated air from the outside in an event of a fire; forming an inner frame to seal the inside of the door; welding each corner portion of the bent steel plate to the outer frame and the inner frame; welding the outer frame and the inner frame; and injecting a member to prevent thieves from stealing and a fireproofing member into the injection port of the fireproof, and fireproof member formed on one side of the inner frame.;COPYRIGHT KIPO 2017