| 摘要 |
PROBLEM TO BE SOLVED: To provide a paper cup which prevents content from being leaked from an annular leg part and a method of manufacturing the paper cup.SOLUTION: A paper cup is formed of a cylindrical body member, and a bottom member having a raised part in which an outer circumferential edge part is raised. The bottom member, of which the raised part is turned out, is inserted in and joined to an inner surface of one open edge part of the body member. The one open end part of the body member is folded inward to cover the raised part, and is joined to an outer surface of the raised part of the bottom member so as to form an annular leg part. A gap filling resin part is formed on a contact part where the raised part and the inner surface of the body member are in contact with each other or its upper end part. |
