Patent ID: 7163113

Claim:
A container assembly comprising: a container having an inner volume and top and bottom ends that are open, said top end being adapted for feeding; an end cap removably connected to said bottom end and having a center portion with an upper face; and a vent disc removably positioned in said end cap, said vent disc having an inner portion, a projection and an aperture, said inner portion having an upper surface and a lower surface, said lower surface being disposed substantially adjacent to said upper face of said end cap when said vent disc is positioned in said end cap, said projection extending from said upper surface of said inner portion, said aperture being disposed through said inner portion, wherein said projection extends a length and in a direction in relation to said vent disc and said end cap thereby being accessible and manipulatable when said vent disc is removably positioned in said end cap, wherein the container assembly permits flow into said inner volume through said aperture when a vacuum develops in said inner volume, wherein the container assembly substantially prevents flow out of said inner volume through said aperture, wherein said projection extends towards said top end, wherein said aperture is a plurality of apertures, wherein said center portion of said end cap has a plurality of holes disposed therethrough, and wherein the container assembly permits flow into said inner volume through said plurality of apertures and said plurality of holes when a vacuum develops in said inner volume.