Methods of manufacturing reclosable packages having a slider-operated string zipper covered by a tamper-evident shroud that is provided with at least one opening that at least partially exposes the slider. In accordance with one method, openings are formed in a web of packaging material that is folded,...http://www.google.com.au/patents/US7185475?utm_source=gb-gplus-sharePatent US7185475 - Method of manufacturing reclosable packaging having tamper-evident feature
