| 摘要 |
PROBLEM TO BE SOLVED: To provide a vertical seal roll mechanism of a roll type automatic packaging machine which manufactures a pair pack type packaging bag capable of mixing two contents in a pair pack immediately before use and using them by unsealing them thereafter.SOLUTION: The vertical seal roll mechanism includes two sets of pairs of the vertical seal rolls gearing mutually, and is constituted so that one vertical seal roll may be in charge of the vertical seal of the outer edge end part of the pair pack type packaging bag, and the other vertical seal roll may be in charge of the vertical seal of the central part of the pair pack type packaging bag. The two sets of the vertical seal rolls are respectively equipped with individual pressing setting mechanism and individual sealing temperature setting mechanism to apply an optimum heat seal to the pair pack type packaging bag. |
