| 摘要 |
An apparatus for making reclosable packages having slider-actuated string zippers is a form-fill-seal machine having means for placing product (10) on a web (2) of packaging film; means (30, 32) for forming a receptacle having an interior volume and a mouth, with the product (10) in the interior volume and a string zipper (4) installed in the mouth. The web of packaging film (2) forms at least one wall of the receptacle. A slider insertion device (24) for inserting sliders (8) on the string zipper (4) and means (8) for sealing the receptacle so that ambient air cannot enter the interior volume. The form-fill-seal machine may further include either means for aligning an edge of the web (2) with a flangeless zipper strip (4) before the web is joined to the flangeless zipper strip (4) or means for trimming an edge of the web (2) after a portion of the web proximal to the edge has been joined to a flangeless zipper strip (4). <IMAGE> |
