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:
Oct. 14, 1980
Filed:
Apr. 05, 1979
Applicant:
Inventor:
Anton A Spycher, Big Flats, NY (US);
Assignee:
Corning Glass Works, Corning, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B32B / ;
U.S. Cl.
CPC ...
156 85 ; 156 99 ; 156102 ; 156106 ; 156242 ; 264-1 ; 264299 ; 350178 ; 350320 ; 351166 ;
Abstract
A glass-plastic composite lens combining a glass element with a high-shrinkage thermosetting plastic is provided in accordance with a direct casting process comprising a consolidation heating step, subsequent to plastic curing and shrinkage, during which a thermoplastic coating between the glass element and the cured plastic bonds the assembly into a unitary low-stress composite.