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:
Sep. 13, 1977
Filed:
Jun. 23, 1975
Applicant:
Inventors:
Waldemar W Oelke, Rossford, OH (US);
Floyd T Hagedorn, Oregon, OH (US);
Assignee:
Libbey-Owens-Ford Company, Toledo, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65273 ; 65275 ; 65350 ;
Abstract
A method of and apparatus for bending and tempering a relatively thin glass sheet comprising heating the glass sheet to its softening point, advancing the sheet toward and between a pair of opposed press members, reheating the sheet during movement thereof between said press members, bending the sheet into the desired curvature between the press members and finally, chilling the sheet rapidly below the annealing temperature range of the glass.