| 摘要 |
PURPOSE: A method and structure for attaching an auxiliary container to a container main body are provided to offer good sealing property and reduce a number of work processes. CONSTITUTION: In order to attache an auxiliary container(200) to a container main body(100) formed by post-processing a sheet. The outer ring portion of the top end of the container main body is composed of a circumferential ring(101,201) of a predetermined size. The introverted portion of the circumferential ring is formed into a stepped insertion groove. The outer ring portion of the auxiliary container has a circumferential ring to be assembled on the insertion groove. The outer ring portion of the container main body and the top surface of the circumferential ring of the auxiliary container are finished by a sealing member(300).
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