Fireproof lift shaft door

Details Fireproof lift shaft door Fireproof lift shaft door

B - Operations, Transporting

66

B

B66B 13/30 (2006.01) E06B 5/16 (2006.01)

Patent

CA 2304332

There is created in a modular shaft door system a fireproof lift shaft door (1) predominantly by flange-mounting, to standard shaft door panels, of flat insulating material housings (30) filled with high-efficiency, novel insulating material layers (31). These insulating material housings are so constructed that they have throughflow chicanes in the region of the closing edge and form, in the closed state, additional labyrinth-like obstacles (36) against the passage of flame and gas in co-operation with the door frame. An overall flat mode of construction of the shaft door (1) enables, with minimal loss of usable shaft cross-sectional area, the doors to be mounted in rational manner by simple flange-mounting to the shaft wall (3). A wide door frame may compensate for large constructional tolerances, and appropriate fastening elements allow the alignment of the shaft door in all directions and in a range corresponding to the large constructional tolerances.

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