METHOD FOR MANUFACTURING FIRE DOOR FRAME, AND FIRE DOOR ASSEMBLY HAVING FIRE DOOR FRAME MANUFACTURED THEREBY

摘要

The present invention relates to a method for manufacturing a fire door frame, and a fire door assembly having a fire door frame manufactured thereby. The method for manufacturing a fire door frame of the present invention comprises: a non-flammable aqueous solution preparing step; an inorganic fiber impregnation step; an inorganic fiber drying step of drying an inorganic fiber at temperatures of 110 to 120°C for 3 to 5 hours; a fire door frame panel forming step; a fire door frame panel cooling step of cooling the fire door frame panel at temperatures of 5 to 8°C; and a fire door frame manufacturing step. According to the present invention, it is possible to delay the spread of flame and smoke in case of fire.;COPYRIGHT KIPO 2018