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:
Feb. 06, 1979
Filed:
Jan. 25, 1978
Harold E McKelvey, Plymouth, MI (US);
Shatterproof Glass Corporation, Detroit, MI (US);
Abstract
Apparatus for tempering glass sheets, comprising a furnace for heating the glass sheets and means for conveying the sheets horizontally therethrough, spaced conveyor rolls for receiving the heated glass sheets from the furnace, upper and lower blastheads positioned horizontally above and beneath the path of travel of the glass sheets, each blasthead comprising a spaced, parallel array of elongated tubular members extending transverse to the direction of travel of the glass sheets, each said elongated member having a cavity therein to receive a gas flow from a manifold and at least one orifice through which the gas is discharged against the respective surface of the glass sheets to rapidly cool the same, and means for independently mounting the upper and lower blastheads for pivotal movement such that they can be swung upwardly and downwardly respectively relative to the conveyor rolls to permit broken glass to fall freely between said conveyor rolls and away from the apparatus.