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, 1981
Filed:
May. 07, 1979
Applicant:
Inventor:
Anton A Spycher, Big Flats, NY (US);
Assignee:
Corning Glass Works, Corning, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B / ; G02C / ; G02C / ;
U.S. Cl.
CPC ...
351163 ; 65 38 ; 351166 ;
Abstract
A glass-plastic laminated lens blank, and a molding assembly for providing such a blank by direct casting, are described, wherein the incidence of blank shaling fracture is reduced by an edge configuration which transfers the high bond stress present in the laminate from the flawed edge of the glass core to a point in the core interior which is flaw-free.