Special entrance slit module and method for quenching glass shee

Details Special entrance slit module and method for quenching glass shee Special entrance slit module and method for quenching glass shee

1980-07-21

1982-01-19

Kellogg, Arthur D.

Glass manufacturing

Processes

Glass preform treating

65104, 65351, 65356, C03B 2704

Patent

active

043115071

ABSTRACT:
The present invention relates to a special module for the entrance to a cooling station of a glass sheet tempering apparatus and particularly relates to the construction of a pair of upstream modules at the upstream end of the cooling station immediately beyond the exit of a furnace through which glass sheets are transported for heating for subsequent quenching and rapid cooling in order to impart a temper. The special entrance modules of the present invention are cooled by providing a baffle wall spaced upstream of the upstream wall of each upstream module that faces the furnace exit to provide an open ended air chamber between each upstream module and the furnace. In addition, optionally, coolant may be passed through pipe means provided between the furnace and the upstream modules. These changes in upstream module construction result in producing tempered glass with less kink than prior art apparatus having upstream modules not so modified. Preferably, the baffle walls and the optional pipe means are composed of stainless steel.

REFERENCES:
patent: 3433614 (1969-03-01), Dickinson et al.
patent: 3607198 (1971-09-21), Meunier
patent: 3951634 (1976-04-01), Hall et al.
patent: 4046543 (1977-09-06), Shields
patent: 4204845 (1980-05-27), Shields

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