Method of simultaneously opening two scores transverse to one an

Details Method of simultaneously opening two scores transverse to one an Method of simultaneously opening two scores transverse to one an

1979-05-09

1980-09-30

Yost, Frank T.

Severing by tearing or breaking

Methods

With preliminary weakening

225 965, C03B 3302

Patent

active

042250706

ABSTRACT:
Intersecting first and second scores in a glass sheet are simultaneously opened by imposing deeper first scores in the glass sheet than second scores. A bending moment force applied to a second score opens the second score and the resulting shock from opening the second score opens portions of the intersecting first scores.

REFERENCES:
patent: 4072259 (1978-02-01), Welton
patent: 4088255 (1978-05-01), DeTorre
patent: 4109841 (1978-08-01), DeTorre

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