Patent ID: 6941726
Filing Date: 2005-09-13
Classification: B31B,B65B,B65D,Y10S

Abstract:
1. A form-fill-seal machine comprising: means for placing product on a first web of packaging film; means for forming a receptacle having an interior volume and a mouth, with said product in said interior volume and a string zipper comprising first and second flangeless zipper strips installed in said mouth, said first web of packaging film forming at least one wall of said receptacle, a portion of said one wall of said receptacle being joined to a back of a section of said first flangeless zipper strip; a slider insertion device for inserting sliders on said string zipper after said portion of said one wall has been joined to said back of said section of said first flangeless zipper strip, whereby said joined portion of said one wall passes between said back of said first flangeless zipper strip and a sidewall of said slider; and means for sealing said receptacle so that ambient air cannot enter said interior volume.