| 摘要 |
PURPOSE: A door equipped with a heating pipe is provided to enclose an opening portion with direct contact between a door frame and a door plate, thereby directly heating a portion on which the door plate is fixed by ice formation. CONSTITUTION: A door frame(12) is installed on the periphery of the opening portion(10) which is formed on a wall(30). Along the entire periphery of the opening portion(10), a heating pipe(13) is fixed on the front end(123) of the door frame(12). A heat generating member(15) is inserted inside the heating pipe(13). The door plate(20) is coupled to the side portion of the door frame(12) or to the wall(30) by a hinge. The door plate(12) encloses the opening portion(10) in a status of contact with the heating pipe(13). |
