Tobacco – Cigar or cigarette making – Molding or forming
Patent
1988-03-29
1989-09-12
Millin, V.
Tobacco
Cigar or cigarette making
Molding or forming
131280, 131904, 131906, 131908, A24C 518, A24C 534
Patent
active
048650510
ABSTRACT:
An apparatus for the continuous determination of two physical properties of the constituents of a smokable article from the mechanical properties of a rod of tobacco or filter fibres during the production of said rod employs a format finger for compacting the rod of tobacco or filter fibres to a predetermined diameter; the format finger made from hard metal comprises at a first point, at which the diameter of the rod corresponds substantially to the diameter of the finished rod, at least one opening for subjecting the rod to a gas stream; the one or each opening is connected via a critically traversed nozzle in a supply conduit to a gas source; a measuring-value transducer determines the pressure drop of the gas stream with constant volume occurring at the rod and thus the draw resistance. At a second point of the format finger a transducer of the temperature of the format finger caused by the friction heat at a predetermined conveying speed of the rod is disposed in a blind bore; said temperature represents a measure for the hardness of the smokable article.
REFERENCES:
patent: T941011 (1975-02-01), Morrison et al.
patent: 2667172 (1954-01-01), Broekhugsen
patent: 3411513 (1968-11-01), Knobel
Federle Hartmut
Meyer Meinhard
Ulrich Jorn
Walther Friedrich
Weinhold Friedrich
B.A.T. Cigarettenfabriken GmbH
Millin V.
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