Cigarette or filter rod cut-off device

Details Cigarette or filter rod cut-off device Cigarette or filter rod cut-off device

1982-04-26

1985-03-12

Millin, Vincent

Tobacco

Cigar or cigarette making

Molding or forming

131 83R, 831741, A24C 528

Patent

active

045038660

ABSTRACT:
A cut-off device for a cigarette or filter rod making machine is designed to work with a knife having an aperture which, when the knife is spent, is detected by a system including a light emitter and a detector, with an electronic timing system sensitive to specific light/dark transitions to enable the presence of an aperture to be detected at various speeds of rotation of the member carrying the knife.

REFERENCES:
patent: 4210159 (1980-07-01), Quarenghi
patent: 4276891 (1981-07-01), Dyett et al.
patent: 4304243 (1981-12-01), Seragnoli

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