Patent ID: 9700163
Date: 2017-07-11
CPC Classifications: A47G,B65D

Claim:
1. A synthetic resin cup container comprising: a cup body having a cylindrical shape and a bottom disposed at a lower end of a round peripheral sidewall of the cup body, an upper portion of the peripheral sidewall including a first peripheral ridge and a second peripheral ridge, the second peripheral ridge disposed below the first peripheral ridge, the first peripheral ridge defining an inner peripheral ridge on an inner surface of the peripheral sidewall and an outer peripheral ridge on an outer surface of the peripheral sidewall, the outer peripheral ridge being disposed at a position on the outer surface of the peripheral sidewall that corresponds to a position of the inner peripheral ridge on the inner surface of the peripheral sidewall; and a flange unit comprising a fitting cylinder and a brim-like flange, an inner edge portion of the brim-like flange being integrally connected to an upper end of the fitting cylinder, wherein: an outer peripheral surface of the fitting cylinder includes a first peripheral groove and a second peripheral groove, and the flange unit is detachably fitted in an upper portion of the cup body by fitting the fitting cylinder in the upper portion of the peripheral sidewall of the cup body such that the first peripheral ridge is in fitting engagement with the first peripheral groove and that the second peripheral ridge is in fitting engagement with the second peripheral groove.