| 摘要 |
An apparatus for inspecting ventilation of filter cigarettes FT has a plate-like packing 18a. The packing 18a covers the opening of a movable cylinder 10 and is relatively pressed with the end face of a filter cigarette FT. The packing 18a includes a hole 18c positioned to coincide with the center of the end face against the packing, an inner circular area 18f surrounding the hole 18c, and an outer circular area 18g surrounding the inner circular area 18f. The outer circular area 18g is elastically deformed more easily than the inner circular area 18f and is brought into tight contact with the outer circumferential edge of the end face pressed against the packing.
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