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. 10, 1990
Filed:
Sep. 26, 1988
Applicant:
Inventors:
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65 64 ; 65 76 ; 65268 ; 65286 ; 65323 ;
Abstract
A method of and an apparatus for molding glass articles. A first pressing of glass preform within a mold is carried out at a first pressing position, when the glass preform has its viscosity within a range of from 10.sup.8 to 10.sup.9.5 poises. The mold having accommodated therein the pressed glass is transferred from the first pressing position to a second pressing position where a second pressing is carried out with respect to the pressed glass within the mold when the pressed glass has its viscosity within a range of from 10.sup.10.5 to 10.sup.12 poises.