| 摘要 |
<p>A manual thermoplastic film packaging machine for postal and/or publishing products including a base (12), a single fold roll (14) of thermoplastic material (15), a heat sealing machine (28a, 28b) and a counterheat sealing machine (27a, 27b), in which the heat sealing machine (28a, 28b) is set on a vertical support structure (20) above the base (12) and the counterheat sealing machine (27a, 27b) is positioned on a pivoted (at 24) arm (25), near an upper end of the structure (20), horizontally pivoted and moveable between a non-operating position in which the heat sealing machine and the counterheat sealing machine are separated and a position in which the heat sealing machine and the counterheat sealing machine come into contact with each other to hold a portion (36) of the material (15) open along a lengthwise side and hanging from motorised feed rollers (18) set in the upper part of the structure (20), there being timed contact means (50) between the heat sealing machine and counterheat sealing machine and return means (31) in a non-operating position. <IMAGE></p> |
