Apparatus for inspecting ventilation of filter cigarettes

Details Apparatus for inspecting ventilation of filter cigarettes Apparatus for inspecting ventilation of filter cigarettes

A - Human Necessities

24

C

A24C 5/34 (2006.01) G01N 15/08 (2006.01)

Patent

CA 2586109

An air permeability inspection device for a filter cigarette (FT) has plate- like packing (18a). The packing (18a) covers an opening of a movable tube (10) and an end surface of the filter cigarette (FT) is relatively pressed to the packing. The packing (18a) has a hole (18c) positioned at the center of the pressed end surface, an inner annular region (18f) surrounding the hole (18c), and an outer annular region (18g) surrounding the inner annular region (18f). The outer annular region (18g) is more likely to be elastically deformed than the inner annular region (18f) and comes to be in intimate contact with the outer peripheral edge of the pressed end surface.

Il est décrit un dispositif d'inspection de la perméabilité à l'air pour une cigarette à filtre (FT) qui comprend une garniture en forme de plaque (18a). La garniture (18a) recouvre une ouverture d'un tube déplaçable (10) et une surface d'extrémité de la cigarette à filtre (FT) est pressée contre la garniture. La garniture (18a) a un trou (18c) positionné au centre de la surface d'extrémité pressée, une région annulaire interne (18f) entourant le trou (18c), et une région annulaire externe (18g) entourant la région annulaire interne (18f). La région annulaire externe (18g) est plus susceptible d'être déformée de manière élastique que la région annulaire interne (18f) et entre en contact étroit avec le bord périphérique externe de la surface d'extrémité pressée.

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