Glass cutter for fracturing prescored glass

Details Glass cutter for fracturing prescored glass Glass cutter for fracturing prescored glass

1979-02-09

1980-09-30

Yost, Frank T.

Severing by tearing or breaking

Breaking or tearing apparatus

Movable breaking tool

225 965, C03B 3302, C03B 3310

Patent

active

042250722

ABSTRACT:
A glass cutter for fracturing prescored sheet glass includes a C-shaped frame having in one end a glass supporting anvil and at its opposite end a screw operated breaker point. The glass sheet is positioned on the anvil with its scored line centered over a V-grooved channel in the anvil surface. A breaker screw is rotatably threaded in the opposite end of the frame and the screw which is perpendicular to the glass surface is provided with a breaker point that is brought into contact with the glass surface and then very slightly rotated to fracture the prescored glass along a very short length of the score line. By repeating these short fracturing steps, very intricate shapes may be cut in the glass without accidental breakage thereof.

REFERENCES:
patent: 969256 (1910-09-01), Durle
patent: 1704872 (1929-03-01), Schlenstedt
patent: 2295052 (1942-09-01), Rosa
patent: 3157235 (1964-11-01), Raizk et al.

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