Horizontal form fill seal apparatus for making flexible packages with slider fastener closures is provided. A fastener track is applied in-line with a plastic web and is bonded thereto at the same time that a peel seal is formed. All package components are brought together at the point of fill....http://www.google.com.au/patents/US6829873?utm_source=gb-gplus-sharePatent US6829873 - Apparatus for manufacturing flexible packages having slide closures
