Methods and apparatus for making reclosable packages having slider-actuated string zippers. More specifically, the apparatus is a form-fill-seal machine having means for placing product on a web of packaging film; means for forming a receptacle having an interior volume and a mouth, with the product...http://www.google.ca/patents/US6941726?utm_source=gb-gplus-sharePatent US6941726 - Method and apparatus for making reclosable packages having slider-actuated string zippers