US Patent 11760554 Mixing container and spray container including mixing container

A mixing container includes a body having an upper opening and containing a dissolving agent, at least one receiving chamber protruding outward from an inner peripheral surface of the body, having a hollow defined in the protrusion where a press-through pack (PTP) sheet is fittable from inside the body, and formed from a flexible material, a support including a plate and a releasing hole that communicates with an inlet of the hollow in the receiving chamber when the plate is installed on the inner peripheral surface of the body and allows a substance stored in the PTP sheet to be released into the body, and holds an edge of the PTP sheet between the inner peripheral surface of the body and the plate, and a holding structure that holds the support on the inner peripheral surface of the body.