Severing by tearing or breaking – Methods – With preliminary weakening
Reexamination Certificate
2006-09-12
2006-09-12
Choi, Stephen (Department: 3724)
Severing by tearing or breaking
Methods
With preliminary weakening
C225S096500
Reexamination Certificate
active
07104431
ABSTRACT:
A method for producing glass plates of any desired contour from sheet glass, comprising the following steps: scribing scribe lines into a least one face of the sheet glass along the contour down to a depth T, using a cutting device, and positioning the glass plate on a support. The inventive method is further characterized in that a defined force F is applied to the sheet glass so that it breaks along the scribe lines, said break extending through the entire thickness of the sheet glass. The flat glass may be sandwiched between two flexible plates prior to being placed on a base pad and being subjected to the breaking force.
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Hartmann Winfred
Hoetzel Bernd
Luettgens Thomas
Markschläger Patrick
Neumayr Andreas
Baker & Daniels
Choi Stephen
Schott AG
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