초록 ▼

There is described an intumescent fire-proof element comprised of a plate having on the one side thereof rectilinear grooves allowing folding; a fire-prevention structure comprising between a skeleton and metal sheets, such an element cooperating with means directing the expansion towards a space th

There is described an intumescent fire-proof element comprised of a plate having on the one side thereof rectilinear grooves allowing folding; a fire-prevention structure comprising between a skeleton and metal sheets, such an element cooperating with means directing the expansion towards a space through which the composition the element is comprised of, may escape outwards; and a method for preparing said composition by contacting a liquid alkaline metal silicate solution with a powder-like hydrophilic substance.

대표청구항 ▼

An intumescent fire-proof element comprising a substantially rigid intumescent fire-proof alkaline metal silicate plate having two longitudinal edges and two ends, a reinforcing layer attached to at least one side of said plate, at least one substantially rectilinear groove extending over some depth

An intumescent fire-proof element comprising a substantially rigid intumescent fire-proof alkaline metal silicate plate having two longitudinal edges and two ends, a reinforcing layer attached to at least one side of said plate, at least one substantially rectilinear groove extending over some depth in the thickness of the plate from one edge thereof to the other edge, to allow folding said plate about said groove.