A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
FIRE RESISTANT ATTIC STAIRS
Attic stairs are constructed out of a box, a ladder, a box closing hatch, so that the ladder is suspended from attic stairs box using hinges and the closing hatch is suspended from the ladder. The closing hatch features a stratified structure, including an inner layer located between two rigid outer strata, where the inner layer is entirely filled with a fire resistant material.
FIRE RESISTANT ATTIC STAIRS
Attic stairs are constructed out of a box, a ladder, a box closing hatch, so that the ladder is suspended from attic stairs box using hinges and the closing hatch is suspended from the ladder. The closing hatch features a stratified structure, including an inner layer located between two rigid outer strata, where the inner layer is entirely filled with a fire resistant material.
FIRE RESISTANT ATTIC STAIRS
ZAK PIOTR (author) / KASINSKI BOGUSLAW (author) / MOS BARTLOMIEJ (author)
2024-12-12
Patent
Electronic Resource
English
IPC:
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden