A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
FIRE RESISTANT ATTIC STAIRS
Attic stairs constructed out of box (1), ladder (2), box closing hatch (4), so that ladder (2) is suspended from attic stairs box (1) using hinges (3) and closing hatch (4) is suspended from ladder (2) and features a stratified structure, comprising inner layer (41) located between two rigid outer strata (42), wherein inner layer (41) is entirely filled with a fire resistant material.
FIRE RESISTANT ATTIC STAIRS
Attic stairs constructed out of box (1), ladder (2), box closing hatch (4), so that ladder (2) is suspended from attic stairs box (1) using hinges (3) and closing hatch (4) is suspended from ladder (2) and features a stratified structure, comprising inner layer (41) located between two rigid outer strata (42), wherein inner layer (41) is entirely filled with a fire resistant material.
FIRE RESISTANT ATTIC STAIRS
FEUERBESTÄNDIGE DACHBODENTREPPE
ESCALIER DE GRENIER RÉSISTANT AU FEU
ZAK PIOTR (author) / KASINSKI BOGUSLAW (author) / MOS BARTLOMIEJ (author)
2024-12-18
Patent
Electronic Resource
English