an apparatus and method for forming reclosable packages for food and other items . the package is formed from webs of thermoplastic material and include a separable fastener strip which is reclosable to permit reclosing of the package . forming , filling , sealing and cutting stations are included for forming the package . a heater heats the fastener strip while it is under tension prior to application to the webs to straighten the fastener strip for improved alignment and sealing .