Method of laser beam cutting of a ribbon of hot glass

Details Method of laser beam cutting of a ribbon of hot glass Method of laser beam cutting of a ribbon of hot glass

1974-11-29

1976-01-06

Kellogg, Arthur D.

Glass manufacturing

Processes

Combined

65 97, 65105, 65174, C03B 2102

Patent

active

039308251

ABSTRACT:
This application teaches a method of producing an article of glass by cutting it out of a sheet of flat glass. Flat glass is formed in a glass ribbon forming apparatus and is discharged therefrom at a temperature in excess of 1000.degree.F. The hot flat glass is moved under at least a pair of focused laser beams which cut patterns in the glass having a common starting and ending point. In such a manner, a glass article is cut from the ribbon. The article is removed from the remaining portion of the ribbon and cooled in a controlled manner to produce a final glass article. The cooling operation may be rapid or slow so as to produce a tempered or an annealed article.

REFERENCES:
patent: 3352015 (1967-11-01), Galabert et al.
patent: 3453097 (1969-07-01), Hafner
patent: 3589883 (1971-06-01), Dear
patent: 3684473 (1972-08-01), Ritter, Jr.

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