Method of and apparatus for thermally severing glass

Details Method of and apparatus for thermally severing glass Method of and apparatus for thermally severing glass

1977-02-09

1978-09-12

Meister, J. M.

Severing by tearing or breaking

Methods

With preliminary weakening

225 935, 225 965, B26F 300, B26F 312

Patent

active

041131622

ABSTRACT:
A method of and apparatus for thermally severing thick glass sheets by applying an energized electrical resistance wire element against the glass surface coincident with the intended line of cut and providing mechanical means adjacent the starting end of the cut to spread the glass portions on opposite sides of the line apart as the cut begins to run from the starting end. A glass spreading arrangement also can be provided at the trailing end of the cut to assure a straight cut along the intended path from end to end.

REFERENCES:
patent: 1447828 (1923-03-01), Westbury
patent: 1652959 (1927-12-01), Rolland
patent: 1661846 (1928-03-01), Oakes et al.
patent: 1777644 (1930-10-01), Hitner
patent: 2393155 (1946-01-01), Gasper
patent: 2507817 (1950-05-01), Ropp et al.
patent: 3584773 (1971-06-01), Grove et al.

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