Method of tempering glass product

Details Method of tempering glass product Method of tempering glass product

1977-04-28

1978-03-28

Kellogg, Arthur D.

Glass manufacturing

Processes

Glass preform treating

65104, C03B 2700

Patent

active

040812545

ABSTRACT:
In a method of tempering glass product by a heat treatment of quenching the glass heated at higher than a strain point and lower than a softening point, by dipping it into a liquid coolant, the tempering operation is carried out under applying ultrasonic vibration to the liquid coolant or the glass product.

REFERENCES:
patent: 2695475 (1954-11-01), Ellis
patent: 3765859 (1973-10-01), Seymour

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