(57) 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.
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