Fire resistant vehicle seat

Claim 1

A seat comprising a foam plastics cushion having a seat surface, an underside remote from the seat surface and side surfaces between the seat surface and the underside, the side surfaces defining edges with the seat surface and the underside, and the cushion comprising (a) a supporting member of an open-cell resilient plastics foam having a first specific gravity, the supporting member having a top surface facing the seat surface, (b) an intermediate layer of high temperature-resistant threads forming a network arranged on the top surface of the supporting member, (c) a flame-proof layer of an open-cell resilient plastics foam impregnated with a liquid flame-proofing agent and having a second specific gravity different from the first specific gravity, the flame-proof layer covering the intermediate layer, (1) the supporting member and the intermediate layer, and the intermediate layer and the flame-proof layer being respectively bonded to each other by an adhesive at regions distributed over the surfaces thereof, and (2) the intermediate layer and the flame-proof layer extending at least along the seat surface, and (d) a flame-resistant upholstery material covering the seat surface, the side surfaces and the underside of the cushion having a seat surface, an underside remote from the seat surface and side surfaces between the seat surface and the underside, the side surfaces defining edges with the seat surface and the underside, wherein the improvement comprises (e) a facing layer of a flame-proof fabric applied to the supporting member on the underside of the cushion.