Method for the differentiated hardening of glass sheets, especia

Details Method for the differentiated hardening of glass sheets, especia Method for the differentiated hardening of glass sheets, especia

1983-04-18

1985-04-02

Kellogg, Arthur

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

Surface modified glass

65115, 65351, C03B 2704

Patent

active

045087830

ABSTRACT:
The invention relates to a method of differentiated rate of hardening of a glass sheet by blowing a cooling gas in the direction of this sheet having two zones from nozzles. According to the invention, a simultaneous solidification of the glass sheet is produced at both zones of the sheet in spite of the differentiated treatments applied to establish a difference of hardening between the different zones of the sheet. Application is to the production of flat glass sheets.

REFERENCES:
patent: 3186815 (1965-06-01), Jochim
patent: 3251670 (1966-05-01), Acloque
patent: 3251726 (1966-05-01), Acloque

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