Ice pack

Abstract

This product is an ice pack used, for example, for cooling the human body. As shown in the reference diagram, this product consists of a lid, a ring, an inner cylinder, and an outer cylinder. The inner cylinder can contain, for example, ice or water. The inner cylinder is made of an elastic material, and by compressing the inner cylinder radially, the ring can be fitted into the annular recess at the top of the inner cylinder. The ring can be connected to the inner circumferential surface of the cylindrical part of the lid. The outer circumferential surface of the cylindrical part of the lid can be connected to the inner circumferential surface of the outer cylinder. The outer cylinder shown in the reference diagram is positioned to cover the inner cylinder. The surface of the outer cylinder has a pattern formed on it, for example, consisting of multiple depressions.

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