C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
49/79, 117/81
C03C 17/36 (2006.01) C03B 25/08 (2006.01) C03C 17/00 (2006.01)
Patent
CA 1231010
ABSTRACT A metal or metal compound coating is deposited on a face of a hot, freshly formed ribbon of glass during the ribbon's forward travel through a coating station between a forming installation and an annealing lehr by contacting the ribbon face with fluid coating precursor material e.g. sprayed from nozzle. Pre- paratory to the coating step, the ribbon passed through successive thermal conditioning zones compris- ing a zone 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 having a black body temperature below 1100°C to compensate at least partially for the cooling effect of the coating step on the ribbon.
454052
Laethem Robert Van
Terneu Robert
Van Cauter Albert
Glaverbel
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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