| 摘要 |
<p>Apparatus for transporting and inserting closing means (1,1a,1b) inside the mouth (5a;105a) of bags (5;105) in automatic machines for filling and sealing said bags (5,105), said closing means comprising a section of a profile (1) formed by a flat part (1b) and by a shaped male/female head (1a), said apparatus comprising: a device (10) for feeding the profile (1) in a longitudinal direction (X-X); a device (15) for cutting to size the profile (1) in the transverse direction (Y-Y), arranged downstream of the feeding device (10); a device (20) for gripping/transporting the cut section of the profile (1), arranged downstream of the cutting means (15) and able to be displaced from a gripping station (S1) to a station (S2) for introducing the closing/opening means into the mouth (5a;105a) of the bag (5;105), and vice versa, said gripping means (20) comprising movement means (24) able to move in both senses of the vertical direction (Z-Z) from a position above the mouth of the bag (5;105) to a lower position for introducing the closing/opening means inside the mouth of the bag, said apparatus comprising means (300) for guiding the strip section (1) for inserting it in the vertical direction (Z-Z) inside the mouth of the bag, said guide means (300) being movable in the said vertical direction (Z-Z) from a position above the mouth (5a) of the bag (5) into a position for insertion inside the said mouth and vice versa. A filling machine provided with said apparatus and a method for applying a zipper to the bag mouth.</p> |
