Severing by tearing or breaking – Methods – With preliminary weakening
Patent
1991-11-22
1992-10-13
Watts, Douglas D.
Severing by tearing or breaking
Methods
With preliminary weakening
225 93005, C03B 3309, B26F 306
Patent
active
051543346
ABSTRACT:
The invention relates to a method of asymmetrically cleaving a plate (1) of brittle material, in which a thermal load and a mechanical load are provided on the plate (1) and the plate (1) is cleft along a desired cutting line (7).
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patent: 3050906 (1962-08-01), Murphy et al.
patent: 3554722 (1971-01-01), Harvey et al.
patent: 3739963 (1973-06-01), Michalik
patent: 4113162 (1978-08-01), Boehm et al.
patent: 4670636 (1987-06-01), Taub et al.
Dekker Jacobus N.
Galenkamp Hans
Zonneveld Maarten H.
Rada Rinaldi
Spain Norman N.
U.S. Philips Corporation
Watts Douglas D.
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