Apparatus for testing and classifying cigarettes or the like

Details Apparatus for testing and classifying cigarettes or the like Apparatus for testing and classifying cigarettes or the like

1984-07-19

1990-02-20

Hajec, Donald T.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Sorting cigarettes, cigars, or packages thereof

209555, 209565, 209644, 209905, 131908, B07C 500

Patent

active

049018604

ABSTRACT:
Plain or filter cigarettes are tested at a first station by two or more testing devices each of which monitors the cigarettes for the presence or absence of a particular defect. The testing devices generate defect signals which are delayed by shift registers so as to ensure that the delayed defect signals are transmitted to a segregating mechanism which removes defective cigarettes from a path that is common to the satisfactory and defective cigarettes and delivers defective cigarettes to selected receptacles which are installed at a second station and each of which gathers only cigarettes exhibiting a particular defect. Actuation of a switch entails the removal of a selected number of samples from the common path for satisfactory and defective cigarettes, and such samples are gathered in an additional receptacle at the second station.

REFERENCES:
patent: 3142382 (1964-07-01), Knowles et al.
patent: 3368674 (1968-02-01), Koeppe
patent: 3543927 (1970-12-01), Pinkham et al.
patent: 3616901 (1971-11-01), Groves
patent: 3674141 (1972-07-01), Abraham et al.
patent: 3987902 (1976-10-01), Burgess et al.
patent: 3991605 (1976-11-01), Reuland
patent: 4020675 (1977-05-01), Hirsh
patent: 4154090 (1979-05-01), Heitmann et al.
patent: 4376484 (1983-03-01), Seragnoli
patent: 4403620 (1983-09-01), Joseph et al.

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