Fire endurance rated plastic articles for use in fire rated asse

Details Fire endurance rated plastic articles for use in fire rated asse Fire endurance rated plastic articles for use in fire rated asse

1996-05-06

1997-11-18

Kent, Christopher

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Outside corner or peripherally bordered

522041, 52232, 526564, 526565, 49504, 49DIG2, E06B 152, E06B 130

Patent

active

056875320

ABSTRACT:
A plastic article such as a thermoplastic extruded door frame or laminated composite floor for railroad cars having at least one internal cavity wherein the cavity is filled with an intumescent. When exposed to fire, such an article retards or inhibits the break-through of fire into an adjoining compartment or room for a sufficient time to allow occupants thereof to evacuate the adjoining compartment or to extinguish the fire. The article has at least one internal cavity filled with an intumescent and meets the requirements of ASTM E 152. The plastics employed herein may be either thermoplastic or thermoset.

REFERENCES:
patent: 4649089 (1987-03-01), Thwaites
patent: 4660338 (1987-04-01), Wagner
patent: 4706426 (1987-11-01), Rumsey
patent: 4850173 (1989-07-01), Beyer et al.
patent: 5088249 (1992-02-01), Marzouki
patent: 5279087 (1994-01-01), Mann
patent: 5347780 (1994-09-01), Richards et al.
patent: 5501045 (1996-03-01), Wexler

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