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:
Aug. 21, 1979
Filed:
May. 25, 1978
Applicant:
Inventors:
Yoshihiro Ebata, Kawanishi, JP;
Tsutomu Ueno, Ikeda, JP;
Nagamasa Kataoka, Kawanishi, JP;
Akimasa Akao, Higashi-murayama, JP;
Assignees:
Agency of Industrial Science and Technology, Tokyo, JP;
Central Glass Company Limited, Ube, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65111 ; 65104 ; 65 40 ; 65273 ; 65DI / ;
Abstract
The edge portion of a plate glass is locally heated to a temperature higher than that in the other portion of the plate glass, after the whole of the plate glass is heated. Electric current is thereafter applied to the edge portion of the plate glass in order to further heat the edge portion so that the edge of the plate glass is slightly melted.