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.
Patent No.:
Date of Patent:
Sep. 03, 1996
Filed:
Apr. 13, 1993
Robert Vanderstukken, Ransart, BE;
Glaverbel, Brussels, BE;
Abstract
A fire-retarding window assembly, includes a frame; and at least two transparent window panels which are held to the frame at two opposed edges and which are disposed in edge-to-edge relationship with one another, wherein each transparent fire-retarding window panel includes a plurality of sheets of glazing material and at least one intumescent layer sandwiched between sheets of the glazing material, at least one sheet of glazing material of each panel having a fire resistance which is at least equivalent to that of a sheet of annealed soda-lime glass having the same longest dimension as the panel, having a ratio of its longest dimension to its thickness of not more than 340:1, and having a minimum thickness of 5 mm, and wherein adjacent edges of successive transparent fire-retarding window panels are sealed with a non-structural filler material which is one of non-flammable or self-extinguishing.