Patent ID: 7270479
Filing Date: 2007-09-18
Classification: B65B,B65D

Abstract:
1. A vented bag comprising: a bag body having side walls defining a cavity therebetween for holding material therein and having an opening for accessing the cavity; and a reclosable closure disposed at the bag opening and comprising extruded male and female interlocking profiles extending along opposing sides of the opening and constructed to releasably interlock, a vent passage that provides fluid communication between an exterior atmosphere and the cavity, and an extruded valve flange selectively blocking fluid communication through the vent passage, the valve flange extending from one side of the closure and releasably engaging an opposing surface of the closure when the profiles are interlocked; wherein the flange separates from the opposing surface in response to positive pressure in said cavity for venting the bag through the vent passage with the profiles interlocked.