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:
Dec. 12, 1989
Filed:
Jul. 25, 1988
David B Nitschke, Perrysburg, OH (US);
Glasstech International L.P., Scarsdale, NY (US);
Abstract
A blow back control device (10) for use in a glass tempering system (12) is disclosed as including an air supply member (28) mounted between a glass heating furnace (14) and a quenching station (24). The air supply member (28) supplies a planar jet of high pressure blow back control air generally in a direction of glass sheet conveyance (A) away from an exit opening (20) of the furnace (14) and toward the quenching station (24) at an angle in the range of between 0.degree. and 25.degree. formed between the planar jet of high pressure air and a plane of conveyance of a glass sheet (16) along a conveyor (22) to deflect cooling air, supplied by blastheads (26,26') from entering the furnace (14).