Method of quenching glass sheets

Details Method of quenching glass sheets Method of quenching glass sheets

1979-07-16

1981-08-25

Kellogg, Arthur D.

Glass manufacturing

Processes

Glass preform treating

65115, 65348, 65351, C03B 2704

Patent

active

042857163

ABSTRACT:
While a heated glass sheet moves through a quenching section, the glass sheet is blown with air in the same portions so as to be quenched always in the same portions to provide on the glass surface rapidly cooled portions and uncooled portions. Thereby the residual strains on the glass surface are made different to prevent the generation of pieces or splines when the glass sheet is broken.

REFERENCES:
patent: 3508898 (1970-04-01), Akfirat
patent: 4178414 (1979-12-01), Greenhalgh
patent: 4182619 (1980-01-01), Greenhalgh

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