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. 07, 1987
Filed:
Jun. 27, 1984
Applicant:
Inventors:
Kazuo Miyatani, Tokyo, JP;
Isao Sato, Tokyo, JP;
Assignee:
RCA Corporation, Princeton, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; F24J / ;
U.S. Cl.
CPC ...
350609 ; 126418 ; 350628 ;
Abstract
A plurality of thin flexible sheet ribs are secured to thin flexible sheet stringer members to form a distortable frame structure. One edge of the ribs lie in a curved surface such as a parabolic cylindrical surface. A thin sheet of boron-silicate glass, preferably formed with a second surface mirror, is annealed and then bent at room temperature to abut the edges of the ribs lying in the curved surface and is retained in place by ribs at opposite edges of the sheet. The inherent strength of the glass under stress, when bent, provides structural rigidity to the combined elements.