| 摘要 |
PROBLEM TO BE SOLVED: To enable accurate inspection, using measuring instruments to avoid causing hindrance in the bottle size control, even if bottom rolls grow at the bottom of a bottle. SOLUTION: Protrusions which rise slightly from inspection table topside are formed radially in three directions from the vicinity of a suction means on the inspection table, so that a bottle is supported with three protrusions on the inspection table, i.e., the bottle bottom contacts only the three protrusions in the so-called 'three point support stable conditions', and even if bottom rolls exist, rolling never occur.
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