ELEVATOR FOUR-DOOR ASSEMBLY WITH FIREPROOF CONSTRUCTION

摘要

The present invention relates to a four-door assembly for elevator which has a fireproof structure against the fire of an elevator hall side and, more specifically, to a four-door assembly for elevator which has a fireproof structure capable of guaranteeing the safety of passengers by having an overlapping structure in one united body in order to prevent flame or gas from permeating the car side of the elevator through a hall door in a hall in case of the fire or gas leakage of a building and also prevent permeation of flame, heat, smoke, and gas through a contact side between a door frame and a door panel and between door panels.