| 摘要 |
PROBLEM TO BE SOLVED: To provide a seal check apparatus which certainly detects a seal failure at a vertical seal portion and a spot covered with the vertical seal portion on a packaging bag. SOLUTION: A lower transfer conveyer 11 facing the vertical seal portion X1 out of upper/lower transfer conveyers keeps a gap G, defined by transfer belts 24, 24 arranged dividedly on the left and right, which extends in a transfer direction to avoid a press by the vertical seal portion X1. Each transfer belt 24 is provided with a plurality of projection members 24a to 24a close to the gar G. A top board 25 is provided with a slot 25a extending in the transfer direction, which slot 25a is so formed as to correspond in position to the gap G. COPYRIGHT: (C)2007,JPO&INPIT
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