Glass manufacturing – Processes – With coating
Patent
1988-01-19
1989-11-07
Kellogg, Arthur
Glass manufacturing
Processes
With coating
65 601, 65 603, 65181, 118 501, 118326, 118718, 427109, 427166, 427226, C03C 1709
Patent
active
048789348
ABSTRACT:
Apparatus for use in pyrolytically forming a metal oxide coating on an upper face of a hot glass substrate 1 in sheet or ribbon form comprises conveyor means 2 for conveying the substrate 1 in a downstream direction 3 along a path also indicated at 1 and a roof structure 5 defining a coating chamber 6 opening downwardly onto the path and comprising a passageway 11 along which coating precursor vapor and oxidizing gas can be conducted downstream in contact with the upper substrate face during the conveyance of the substrate. The roof structure 5 defines, in or adjacent the upstream end of the passageway 11, a mixing zone 7 which opens downwardly onto the substrate path 1. Means such as spray nozzle 35 is provided for injecting coating precursor material into the mixing zone 7 from a height of at least 50 cm above the level of the substate path 1. Means such as ducting 58 is provided for injecting oxidizing gas into the mixing zone in which coating precursor material and oxidizing gas can be brought together, mixed and heated to form an atmosphere comprising an intimate mixture of precursor vapor and oxidizing gas. The mixing zone 7 is in communication with the passageway 11 to permit a stream of such atmosphere to flow along the passageway from the mixing zone.
REFERENCES:
patent: 3679386 (1970-06-01), Kushihashi et al.
patent: 4188199 (1980-02-01), Van Laethem et al.
patent: 4293326 (1981-10-01), Terneu et al.
patent: 4329379 (1982-05-01), Terneu et al.
patent: 4349371 (1982-09-01), Laethem et al.
patent: 4529627 (1985-07-01), Zurbig
patent: 4655810 (1987-04-01), Van Cauter et al.
Viguie, S. R., "Chemical vapour deposition from an Aerosol", Science and Technology of Surface Coating, Academic Press (1974), pp. 169-175.
Laethem Robert Van
Terneu Robert
Thomas Jean-Francois
Van Cauter Albert
Glaverbel
Kellogg Arthur
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