Severing by tearing or breaking – Methods – With preliminary weakening
Patent
1978-08-23
1980-02-26
Yost, Frank T.
Severing by tearing or breaking
Methods
With preliminary weakening
225 935, 225 965, 225103, C03B 3302, B26F 312
Patent
active
041901843
ABSTRACT:
A method of and apparatus for thermally severing a thick glass sheet by applying localized heat to one surface of the sheet along an intended line of cut and flexing the sheet adjacent the exit end of said intended line of cut to assist in the severance of the sheet and confining the cut to such line at the exit end thereof.
REFERENCES:
patent: 3730408 (1973-05-01), Dahlberg et al.
patent: 3790054 (1974-02-01), Dahlberg et al.
Oelke Waldemar W.
Poplawsky Ralph C.
Libbey-Owens-Ford Company
Yost Frank T.
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