Apparatus for tempering glass sheets

Details Apparatus for tempering glass sheets Apparatus for tempering glass sheets

1978-01-25

1979-02-06

Kellogg, Arthur D.

Glass manufacturing

Product cooling means

With preceding reheater

65 27, 65114, C03B 2700

Patent

active

041382412

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.

REFERENCES:
patent: 3846106 (1974-11-01), Seymour
patent: 4076511 (1978-02-01), Fulton et al.

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