Vented container assembly

摘要: Container assemblies (100) that transition between a sealing state and retained venting are described. The container each include body portion (110) having an open end (113), lid (120) adapted to cover the of create enclosed volume, e.g. reservoir, additionally comprise feature (140). When fluid pressure within volume is less than threshold pressure, in such cooperate maintain substantially fluid-tight seal against leaving volume. greater or equal excess from vents through while retaining on portion.