Process and apparatus for breaking off marginal edge portions fr

Details Process and apparatus for breaking off marginal edge portions fr Process and apparatus for breaking off marginal edge portions fr

1980-11-12

1983-02-01

Yost, Frank T.

Severing by tearing or breaking

Methods

225 2, 225 965, 225 97, C03B 3304

Patent

active

043711030

ABSTRACT:
The invention relates to a process and apparatus for breaking off the marginal strip of a glass blank scored according to a predetermined contour. The glass blank, resting with its entire surface on an elastically resilient support, is put under tensile stresses in the area of the marginal strip by lowerable pressure tools.

REFERENCES:
patent: 3532259 (1970-10-01), Augustin et al.
patent: 3770173 (1973-11-01), Carothers et al.
patent: 3913812 (1975-10-01), Augustin et al.
patent: 4106683 (1978-08-01), Gulish, Jr.
patent: 4109841 (1978-08-01), De Torre
patent: 4151940 (1979-05-01), Nuding et al.
patent: 4285451 (1981-08-01), Ferraino

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