| 摘要 |
PURPOSE: A vault is provided to reduce manufacturing time by omitting an unnecessary bending protrusion unit of an outer container and by injecting an inner container including a reinforcement protrusion unit as a synthetic resin material. CONSTITUTION: A vault(10) comprises an outer container(20), an inner container(30), a door, a refractory filler unit, a border frame, and a door frame. The outer container is comprised of a metal material, and the inner container is comprised of a synthetic resin material. The outer container and the inner container are connected by the border frame. The border frame comprises an inner container accommodation groove(61), a hinge accommodation groove(62), and an outer container accommodation groove(63). A transformation prevention unit(80) is included in the front of the inner container. The outer container and the inner container are fixed to the ground by a fixing unit(90) for preventing a burglar. The door frame comprises a front cover and a rear cover of the synthetic resin material. |
