Patent ID: 8267272
Filing Date: 2012-09-18
Classification: B65D,Y10T

Abstract:
1. A venting device for a container comprising: a perforated rigid cap sealably attached to a surface of a container; the container having an opening; at least a first perforated domed structure sealably attached to a surface of the container and overlying the opening in the container such that it is not blocking the opening, the perforated domed structure is contained within the rigid cap; the perforated domed structure having a first open position and a second closed position; an absorbent material having upper and lower surfaces and contained within the rigid cap overlying the domed structure, such that the domed structure is adjacent the lower surface of the absorbent material; and wherein the absorbent material is expandable upon contact with liquid contents of the container to change the perforated dome structure from the first position to the second position that is generally planar with the surface of the container.