Method and apparatus for coating a glass substrate

Details Method and apparatus for coating a glass substrate Method and apparatus for coating a glass substrate

1975-06-02

1977-05-10

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

With coating

65 99A, 118 47, 118 491, 118 65, 427109, 427255, C03C 1722

Patent

active

040226018

ABSTRACT:
A continuous glass ribbon advances from a float forming chamber past a first heat source and into a coating chamber where a surface of the glass ribbon is provided with a pyrolytic oxide coating as a second heat source heats the opposed surface of the glass ribbon. Thereafter the glass ribbon is advanced into an annealing lehr to relieve residual stress in the glass ribbon. The first heat source reduces the heat loss of the ribbon as it advances into the coating chamber to provide a durable pyrolytic oxide coating on the glass ribbon. The second heat source heats the ribbon to minimize or eliminate glass ribbon warpage.

REFERENCES:
patent: 2215996 (1940-09-01), Benton
patent: 3161537 (1964-12-01), Dettre et al.
patent: 3660061 (1972-05-01), Donley et al.
patent: 3689304 (1972-09-01), Bamford
patent: 3778243 (1973-12-01), Johnston
patent: 3850679 (1974-11-01), Sopko et al.
patent: 3880112 (1975-04-01), Spitz et al.
patent: 3888649 (1975-06-01), Simhan

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