Method and apparatus for eliminating tong vents in a glass sheet

Details Method and apparatus for eliminating tong vents in a glass sheet Method and apparatus for eliminating tong vents in a glass sheet

1977-09-02

1978-10-10

Kellogg, Arthur D.

Glass manufacturing

Processes

Glass preform treating

65104, 65114, 65 60R, 65273, 65350, C03B 2702

Patent

active

041194268

ABSTRACT:
In a glass sheet heating furnace where the glass sheets are supported by edge gripping tongs, means to heat the tongs independently from the heating of the glass sheets is provided so as to reduce the frequency of tong vents in the glass sheets without distorting edge portions of the glass sheets.

REFERENCES:
patent: 3103429 (1963-09-01), Kruger et al.
patent: 3293020 (1966-12-01), Sleighter
patent: 3295843 (1967-01-01), McMaster et al.
patent: 3455722 (1969-07-01), Kushihashi
patent: 3744985 (1973-07-01), Peternel
patent: 3854920 (1974-12-01), Kay et al.

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