Patent ID: 9555920
Date: 2017-01-31
CPC Classifications: B65D

Claim:
1. A container, comprising: an enclosure including a bottom portion, a top portion, and a plurality of sides which bound an interior of the enclosure, the enclosure including a sump region proximate the bottom portion of the enclosure, the sump region having an upper portion with an upper opening defining an upper horizontal cross-sectional area and a lower portion with a lower opening defining a lower horizontal cross-sectional area, the upper cross-sectional area greater than the lower cross-sectional area, and a fillable bladder positioned within the enclosure, an interior of the fillable bladder being accessible only through an opening in the enclosure proximate the top portion of the enclosure, wherein a first horizontal cross-sectional area of the fillable bladder located in the sump region of the enclosure is smaller than a second horizontal cross-sectional area of the fillable bladder, a perimeter of the first horizontal cross-sectional area of the fillable bladder is spaced apart from all of the plurality of side walls by the sump region, and the second horizontal cross-sectional area being above the first horizontal cross-sectional area and outside of the sump region of the enclosure.