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:
Oct. 31, 1995
Filed:
Jul. 29, 1993
Nippon Electric Glass Co., Ltd., Otsu, JP;
Abstract
In a fire-protection and safety glass panel having a transparent appearance and dual functions as a fire protection glass for shutting out flame and smoke for a long period of time upon occurrence of fire and as a safety glass which is neither shattered into pieces and nor forms any through hole if it is broken in an ordinary life, a PET (polyethylene terephthalate) film (12) is arranged between a first glass plate (10) and a second glass plate (11). The first and the second glass plates (10 and 11) and the PET film (12) are adhered through transparent acrylic adhesive agent layers (13 and 14), respectively. An intermediate resin layer comprises the PET film (12) and the adhesive agent layers (13 and 14) and has a thickness between 75 and 200 .mu.m.