A process for manufacturing a film for forming reclosable bags includes moving the film and attaching to the film sequentially and crosswise with reference to the direction of movement of the film, a fastener including a first strip supporting at least one reclosable profile engaged with another reclosable...http://www.google.com.au/patents/US6928791?utm_source=gb-gplus-sharePatent US6928791 - Process and apparatus for forming packaging bags with a fastener
