Turning – Severing or cut-off – Flying cutter type
Patent
1978-08-29
1980-08-12
Vlachos, Leonidas
Turning
Severing or cut-off
Flying cutter type
82 86, 82 92, 82 98, B23B 514, B23B 2502
Patent
active
042166861
ABSTRACT:
A rotary cutting mechanism for transversely slicing an elongated rotatably driven roll of material such as plastic film into a number of narrower rolls includes a pair of spaced-apart knife cutting blades mounted for free rotation about an axis parallel to the longitudinal axis of the roll. A rotary saw blade is mounted intermediate and in axial alignment with the cutting blades, and is independently driven to remove material between the cutting blade edges as the blades are moved together to slice the roll. The finished narrower cut rolls therefore exhibit smoothly finished side edges and are readily separable from each other, there being no frictional heat developed by the cutting blade edges which are free to turn with the material on the roll as they slice through it.
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patent: 3350967 (1967-11-01), Gerstein
patent: 3752024 (1973-08-01), Judelshon
Judelshon Industries, Inc.
Vlachos Leonidas
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