Tobacco – Cigar or cigarette making – Molding or forming
Patent
1984-11-29
1987-08-11
Millin, V.
Tobacco
Cigar or cigarette making
Molding or forming
131280, 131906, A24C 532
Patent
active
046854754
ABSTRACT:
Cigarette rod or cigarette filter rod comprising an outer, longitudinally seamed wrapper is monitored, to detect defects in the longitudinal seam, by directing, from a nozzle, a stream of air tangentially of the rod, whereby the air flows in Coanda effect contact with the rod, and audio detecting the presence or absence of air, at a location spaced from the nozzle, in accordance with the presence or absence of a seam defect.
Norvall Christopher W.
Poley John
Ridler Keith D.
Taylor Peter J.
Upton John
British-American Tobacco Company Limited
Millin V.
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