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:
Jul. 31, 1979
Filed:
Mar. 20, 1978
Applicant:
Inventors:
Roland R Van der Beck, Pittsford, NY (US);
James W Chapman, Penfield, NY (US);
Assignee:
Sybron Corporation, Rochester, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
350319 ; 65 43 ; 65 5 / ; 351154 ; 73325 ;
Abstract
A high impact sight glass assembly and production method are described, in which the glass lens is fused into an enamel coated metal ring such that the glass lens is fused to the enamel coating and the entire glass area is under compression. The glass lens is placed in the bore of a flange, and the lens and flange ring are heated, whereby the lens flows to conform to the bore of the flange and is fused to the enamel coating.