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:
Apr. 28, 1992
Filed:
Oct. 12, 1990
Applicant:
Inventor:
Tatsuo Sugiyama, Yokohama, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65106 ; 65107 ; 65273 ; 65287 ;
Abstract
A bend-shaping press mold comprising a pair of pressing dies for bending a glass plate into a shape having a convex surface and a concave surface in a plane by pressing the glass plate with the pair of pressing dies, wherein each of the pressing dies has a convex surface portion to shape the glass plate by pressing it from each side which is finally shaped to have a concave surface portion, and the convex surface portion of one of the pressing dies is not substantially in contact with the glass plate in pressing operations when the convex surface portion of the other die is in contact with the glass plate.