CPC B67D 1/1281 (2013.01) [B67D 1/04 (2013.01); B67D 1/0801 (2013.01); B67D 2001/0094 (2013.01); B67D 2001/0812 (2013.01)] | 16 Claims |
1. An additive container, comprising:
a container housing defining a hollow interior;
an inlet port with an inlet valve disposed on the container housing and configured to couple to a fluid source such that fluid can be delivered through the inlet valve to increase an internal pressure of the hollow interior; and
an outlet port with an outlet valve disposed on the container housing and movable from a closed configuration to an open configuration to dispense fluid from the hollow interior in response to the increase in internal pressure, the outlet valve having an outer facing surface that is concave in the closed configuration and convex in the open configuration, and the outlet valve being configured to unfold away from the hollow interior in response to the increase in internal pressure during movement from the closed to the open configuration.
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