Filter cigarette inspection apparatus and inspection method

A - Human Necessities – 24 – C

Patent

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Details

A24C 5/34 (2006.01)

Patent

CA 2525308

An inspection device for inspecting a cigarette (FT) with a filter having a row of outside air-introducing perforations (6) in the outer periphery of a filter (4) has a filter socket assembly (86) and a pressure sensor. The filter socket assembly (86) includes a ring holder (124) capable of receiving the filter (4) and defining in its inside an end room for surrounding the mouthpiece end of the filter (4) and a surrounding room for surrounding the outer periphery of the filter (4) including the row of perforations (6), a guide pipe (102) for feeding a compressed fluid with a predetermined pressure into the surrounding room of the ring holder (124), and a guide pipe (100) for outputting a pressure in the end room. The pressure sensor detects the pressure outputted from the guide pipe (100).

La présente invention a trait à un dispositif permettant l'inspection d'une cigarette (FT) avec un filtre comportant une rangée de perforations d'injection d'air externe (6) dans la périphérie extérieure d'un filtre (4) présentant un ensemble de réceptacle de filtre (86) et un capteur de pression. L'ensemble de réceptacle de filtre (86) comporte un support annulaire (124) capable de recevoir le filtre (4) et définissant en son intérieur un espace de fond pour entourer l'extrémité de l'embout du filtre (4) et un espace de ceinturage pour entourer la périphérie extérieure du filtre (4) comportant la rangée de perforations (6), un conduit de guidage (102) pour l'alimentation d'un fluide comprimé à une pression déterminée dans l'espace ceinturage du support annulaire (124), et un conduit de guidage (100) pour la sortie d'une pression dans l'espace d'extrémité. Le capteur de pression détermine la pression en sortie du conduit de guidage (100).

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