| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat sealing device capable of guiding the leading end opening part peripheral edge of a packaging bag properly to the upper side of a lower side narrow pressure block, even if the quantity of a packaged article accommodated in the packaging bag varies. ! SOLUTION: A heat sealing device 20 comprises: a lower side narrowing pressure block 21 disposed in a base 13; an upper side narrowing pressure block 22 disposed on the upper side of the lower side narrowing pressure block 21 for narrowing and holding the leading end opening part peripheral edge of a thermally fusible packaging bag accommodating the packaged article therein together with the lower side narrowing pressure block 21; a heater 23 disposed in the lower side narrowing pressure block 21 for heating to thermally weld the peripheral edge of the leading end opening portion of the packing bag clamped and held by the upper side and lower side narrowing blocks 21 and 22; and a guide table 30 disposed in the near edge |
