Method for producing a glass panel for a cathode ray tube

Details Method for producing a glass panel for a cathode ray tube Method for producing a glass panel for a cathode ray tube

1997-12-08

1998-11-17

Chin, Peter

Glass manufacturing

Processes

Forming product or preform from molten glass

65 63, 65 69, 65 83, 65 85, 65104, 65114, 65115, 65117, C03B 930

Patent

active

058370269

ABSTRACT:
Air is blowed before an annealing step to corner portions in an inner face portion of a glass panel which has been press-formed in a mold to cool that portions to be stronger than the other portion whereby a temperature difference between the corner portions and the other portion is reduced.

REFERENCES:
patent: 2991591 (1961-07-01), Gabor et al.
patent: 3567415 (1971-03-01), Carpenter
patent: 4333756 (1982-06-01), Seeman
patent: 4566893 (1986-01-01), Hopkins et al.
patent: 4871385 (1989-10-01), LeCourt et al.
patent: 5145437 (1992-09-01), Ondra et al.
patent: 5445285 (1995-08-01), Sugawara et al.
patent: 5536995 (1996-07-01), Sugawara et al.
patent: 5547409 (1996-08-01), Nakamura et al.

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