Dual chamber container structure

摘要

A portable milk warmer that is suitable for use with vessels, such as ampules, bags or bottles, enclosing chilled or frozen liquids, such as breast milk. The portable milk warmer includes separate chambers in a single container that separates the vessel from a warming (or cooling) medium. The milk warmer includes a feature for filling an outer chamber with a warming or cooling medium.

主权项

1. A container structure, comprising:
an outer container comprising an outer top open end; an inner container comprising an inner top open end; and a lid comprising a lid top wall and a lid opening in the lid top wall; wherein the inner container is configured to be received in the outer container and partially close the outer top open end such that:
an outer chamber is defined between the inner container and the outer container; andan outer chamber opening to the outer chamber is defined between the inner container and the outer container; wherein the lid is configured to cover the inner top open end such that:
an inner chamber is defined between the inner container and the lid; andthe lid opening is aligned with the outer chamber opening; wherein the inner container comprises an inner top edge at the inner top open end and the outer container comprises an outer top edge at the outer top open end; wherein a first portion the inner top edge is configured to abut a second portion of the outer top edge to partially close the outer top open end; and wherein a third portion of the inner top edge and a fourth portion of the outer top edge define an edge of the outer chamber opening.