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:
Jan. 08, 1980
Filed:
Jun. 19, 1978
Applicant:
Inventor:
Geoffrey Greenhalgh, Orrell, Near Wigan, GB;
Assignee:
Triplex Safety Glass Company Limited, Birmingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65114 ; 65104 ; 65115 ;
Abstract
A method of thermally toughening a glass sheet in which the glass sheet is advanced through a quenching station and subjected to a localized gas flow. The localized gas flow is pulsed at a repetition frequency related to the speed of advance of the glass through the quenching station. The toughened glass sheet so produced has a distribution of regions of more highly toughened glass interspersed with regions of lesser toughened glass.