Method of thermally inducing bending moment forces to sever a gl

Details Method of thermally inducing bending moment forces to sever a gl Method of thermally inducing bending moment forces to sever a gl

1980-03-06

1981-09-15

Yost, Frank T.

Severing by tearing or breaking

Methods

With preliminary weakening

225 935, 225 965, B26F 306, C03B 3309

Patent

active

042892619

ABSTRACT:
Scores imposed in a glass sheet are propagated by heating the sheet about the score to induce thermal bending moment forces about the score to sever the sheet.

REFERENCES:
patent: 3520455 (1970-07-01), Smith
patent: 3695497 (1972-10-01), Dear
patent: 3695498 (1972-10-01), Dear
patent: 3754884 (1973-08-01), McDavid et al.
patent: 3756482 (1973-09-01), DeTorre
patent: 3795502 (1974-03-01), DeTorre
patent: 3800991 (1974-04-01), Grove et al.
patent: 4088255 (1978-05-01), DeTorre
patent: 4196830 (1980-04-01), Oravitz, Jr. et al.

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