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:
Dec. 30, 2003
Filed:
May. 19, 1997
Applicant:
Inventors:
Assignee:
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 2/3035 ;
U.S. Cl.
CPC ...
C03B 2/3035 ;
Abstract
A suction mold has a central suction chamber having a flat shaping surface area and a pair of opposite side suction chambers disposed one on each side of the central suction chamber and having respective curved shaping surface areas. First, a vacuum is developed in the central suction chamber to attract a central area of the sheet of glass against the flat shaping surface area thereof, and then a vacuum is developed in the opposite side suction chambers to attract opposite side areas of the sheet of glass respectively against the curved shaping surface areas.