| 摘要 |
A cup assembly having an open end, comprising: (a) a dual wall cup assembly comprising: (i) an outer cup having a truncated conical-like shape with side wall, larger top and smaller end, the end is closed and sealed by bottom wall and the top is open; (ii) an inner cup having a truncated conical-like shape with side wall, larger top and smaller end, the end is closed and sealed by bottom wall; and (iii) the inner cup is configured to be receivable within the outer cup to create a gap between side wall of an inner surface of the outer cup and an outer surface of the inner cup and between the bottom walls; (b) the cup assembly is a child spill-proof cup that has an upper end for removably mounting cap thereon, the cap is adapted to engage the upper end of the cup, the cap has a spout that projects from one side thereof upwardly, the spout is formed integrally with the cap and includes a front and rear walls that converge to an outwardly protruding tip of the spout; and (c) an overmold ring located on an outer portion of the cup assembly in the area where the top end of the outer cup mates with the inner cup.
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