Packaging containers

Abstract

This product is a container filled with a liquid such as a beverage, and as shown in the reference diagram showing the names of each part, a cap (not shown) is attached to the threaded portion provided on the spout. As shown in reference diagrams 1 and 2 showing the names of each part, the shoulder portion is provided with multiple concave engaging portions spaced apart in the circumferential direction, and the bottom portion is provided with multiple convex engaging portions that respectively engage with the concave engaging portions on the shoulder. As shown in the reference diagram of the usage state, when arranging multiple products, one cap can be inserted into the cap receiving portion on the bottom of one of the products (reference diagram 2 showing the names of each part) and the concave and convex engaging portions can be engaged with each other, allowing them to be stacked (overlapped) in a predetermined relative positional relationship.

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