| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel packaging apparatus which is free from loosening or distortion of a film even when a center seal apparatus relieved from a pressure, constantly stable in film carriage, and excellent in other treatments. SOLUTION: The center seal apparatus 2 is a holding seal apparatus which achieves the heat-seal while pressing and holding an opening side of the cylindrical film 1 and carrying the film by a carrying apparatus 4, a pair of holding rollers 4A are provided on forward and rear parts in the film carrying direction of the center seal apparatus 2, and the packaging apparatus releases the film pressurization by a holding and pressurizing part 8 of the center seal apparatus 2 when the carrying apparatus 4 is stopped. |
