Floor structure

Details Floor structure Floor structure

1987-02-13

1988-12-27

Kittle, John E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

105396, 105422, 252601, 252602, 252603, 252604, 252605, 252606, 428913, 428920, 428921, B32B 300, B61D 1700, C09K 210

Patent

active

047940328

ABSTRACT:
A floor structure comprising an upper layer containing a hydroxide, a middle layer for providing the structural strength and a lower layer covering the lower surface of the structure, in which at least the middle layer and the lower layer are composed of flame-retardant material and a layer of heat insulating material is formed therebetween. The floor structure is excellent in fire-resistance and heat-resistance, as well as facilitating the mounting of equipment or the likes below the floor.

REFERENCES:
patent: 2245529 (1941-06-01), Lundvall
patent: 3699041 (1972-10-01), Sanderford et al.
patent: 4255482 (1981-03-01), Udagawa
patent: 4397906 (1983-08-01), Nakagawa

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