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:
Jul. 18, 1995
Filed:
Apr. 25, 1994
Pierre Goelff, Nalinnes, BE;
Robert Vanderstukken, Ransart, BE;
Roland Leroux, Stadecken-Elsheim, DE;
Thomas M Karschti, Budenheim, DE;
Jurgen Thurk, Schornsheim, DE;
Glaverbel, Brussels, BE;
Other;
Abstract
A glazing panel which is transparent and fire-resistant, including at least one vitreous structural ply including at least one rough-faced ply composed of vitreous material having a mean coefficient of linear thermal expansion over a temperature range of 20.degree. C. to 300.degree. C. which is not greater than 7.5.times.10.sup.-6 K.sup.-1 and having a rough face for which roughness, R.sub.tm, is not less than 0.1 .mu.m; and at least one layer of intumescent material directly bonded to and in contact with the rough face of the at least one rough-faced ply.