US Patent 11034503 Container for mixing heterogeneous contents

The container includes a first container formed therein with a content storage space and a container coupling space that are separately defined, a second container coupled to the container coupling space of the first container, a first discharge device installed in the first container to discharge contents stored in the first container, a second discharge device installed in the second container to discharge contents stored in the second container, and a push button configured to simultaneously actuate the first and second discharge devices and formed with first and second discharge passages connected to the first and second discharge devices, respectively, and first and second discharge ports. The second container is inserted into an opened lower portion of the container coupling space so that the second container is coupled with the first container, and the second discharge device installed in the second container is connected to the second discharge passage.