FIELD: smokables.
SUBSTANCE: gasket closes mobile cylinder bore hole and is pressed with end surface of cigarette filter. The gasket accommodates the hole arranged so that it is aligned with the centre of the end surface pressed to the gasket, internal circular space surrounding the hole, and external circular area surrounding internal circular space. The external circular area is more elastically deformed than the internal circular space, and tightly contacts to external ring edge of the end surface pressed to the gasket.
EFFECT: exact continuous measurement of filter cigarette ventilation.
7 cl, 8 dwg
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