Process for producing coated flat glass

Details Process for producing coated flat glass Process for producing coated flat glass

1984-05-09

1985-08-20

Kellogg, Arthur

Glass manufacturing

Processes

With coating

65 603, 65 6052, 65 95, 65161, 65118, C03C 1700

Patent

active

045362041

ABSTRACT:
A metal or metal compound coating 6 is deposited on a face of a hot, freshly formed ribbon 1 of glass during the ribbon's forward travel through a coating station 5 between a forming installation 3 and an annealing lehr 4 by contacting the ribbon face with fluid coating precursor material e.g. sprayed from nozzle 17.
Preparatory to the coating step, the ribbon 1 is passed through successive thermal conditioning zones comprising a zone 19 in which temperature gradients across the ribbon are reduced and a following zone in which heat is supplied substantially entirely to a surface layer of the glass at the face to be coated by exposing that face to one or more radiant heaters 22 having a black body temperature below 1100.degree. C. to compensate at least partially for the cooling effect of the coating step on the ribbon 1.

REFERENCES:
patent: 3508899 (1970-04-01), Ward
patent: 4414015 (1983-11-01), Van Laethem et al.

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