Tobacco – Cigar or cigarette making – Including cooperating surfaces to induce rolling
Patent
1975-03-21
1976-12-14
McNeill, G.E.
Tobacco
Cigar or cigarette making
Including cooperating surfaces to induce rolling
A24B 714
Patent
active
039969428
ABSTRACT:
A machine processes tobacco, filter material or other constituent material of smokers' products, or the like, with a stream of such material moving along a predetermined path. An arrangement for detecting the mass of the material in the stream includes a first circuit operative for generating a first periodic signal having a first frequency, and a second circuit operative for generating a second periodic signal having a second frequency. At least one of the two circuits is comprised of a frequency-determining capacitor structure positioned in proximity to material moving along a predetermined portion of the stream travel path and so disposed as to have a capacitance value dependent upon the mass of material penetrated by electric field lines of the capacitor structure. A signal combining circuit combines the first and second periodic signals to form a resultant periodic signal exhibiting a beat. A measuring device provides an indication of the mass of material penetrated by electric field lines of the capacitor structure by detecting the frequency of the beat.
REFERENCES:
patent: 3742232 (1973-06-01), Koehn
patent: 3862408 (1975-01-01), Bolt
Hauni-Werke Korber & Co. KG
Kontler Peter K.
Kurucz John
McNeill G.E.
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