| 摘要 |
The present invention provides a new door device minimizing condensation and preventing a door from being twisted by high heat. The present invention comprises: a door frame mounted to be fixated to a circumference of an entrance door; and a door opening and closing the entrance door. The door device comprises: a first insertion groove formed on an end part of an inside of an inner circumference surface of the door frame; a second insertion groove formed on an end part of the outside of the inner circumferential surface of the door frame; an additional third insertion groove formed on the outside of the first insertion groove on the door frame where a hinge is installed; a fourth insertion groove formed inside a circumferential surface of the door corresponding to the second insertion groove; a gasket inserted to be coupled into the first insertion groove, the second insertion groove, the third insertion groove, and the fourth insertion groove; and a pressing protrusion bent and formed in an inner end of the door where the hinge is installed. |
