Blow back control device for a glass sheet tempering system

Details Blow back control device for a glass sheet tempering system Blow back control device for a glass sheet tempering system

1988-07-25

1989-12-12

Kellogg, Arthur

Glass manufacturing

Product cooling means

With preceding reheater

65104, 65114, 65349, 65350, C03B 2704

Patent

active

048865400

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).

REFERENCES:
patent: 3600151 (1971-08-01), Cypher et al.
patent: 3672861 (1972-06-01), Ritter, Jr. et al.
patent: 3806331 (1974-04-01), Bezombes
patent: 4447252 (1984-05-01), DiNocco et al.

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