The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 18, 1997

Filed:

May. 06, 1996
Applicant:
Inventor:

Bruce M Torrey, Pittsfield, MA (US);

Assignee:

General Electric Company, Pittsfield, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B / ; E06B / ;
U.S. Cl.
CPC ...
526563 ; 522041 ; 52232 ; 526564 ; 526565 ; 49504 ; 49DI / ;
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.


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