Fire blanket

Details Fire blanket Fire blanket

1997-03-14

1999-03-02

Kent, Christopher

Static structures (e.g., buildings)

Relatively yieldable preformed separator

Fire or heat resistive type

5239603, 525731, E04B 168

Patent

active

058755985

ABSTRACT:
A fire blanket for use in an expansion or seismic joint cover system. The cover includes a first layer made of flame retardant material, a second layer made of thermal resistant material, and a third layer made of an insulating material. A fourth layer may be placed over the third layer if desired and would also be made of a flame retardant material. The first, second, and if used, fourth layers includes folded over portions to form pleats. The pleats within each layer are offset relative to pleats within the other layers. During lateral movement of the sections of structure forming the expansion or seismic joint, the pleats allow the fire blanket to expand longitudinally without tearing.

REFERENCES:
patent: 4517779 (1985-05-01), Dunsworth
patent: 4999962 (1991-03-01), Gohlke et al.
patent: 5269110 (1993-12-01), Morrison et al.
patent: 5365713 (1994-11-01), Nicholas et al.

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