| 摘要 |
FIELD: construction. ^ SUBSTANCE: door comprising fire-resistant border section bar at least along one external side, made of solid extended element, having at least one longitudinal slot. Slot is arranged in direction parallel to main plane of door and is filled with liquid fire-resistant material that subsequently hardens. ^ EFFECT: invention will make it possible to provide for door sealing. ^ 19 cl, 7 dwg |
