| 摘要 |
PROBLEM TO BE SOLVED: To provide a paper lid of a paper wrapping container which has a enhanced sealing property and enables a tap to be sealed sanitarily. SOLUTION: In the paper lid fitted in a paper cup container, the inner diameter of a side suspending part vertically hung from the edge of the lid and an outer diameter of a flange in a mouth at the upper end of the paper cup container are made to be the same. A recess groove is formed at a top plate for holding the flange, and the seal is stabilized. A function of the lid is exhibited for preventing the leakage and the falling-off of the lid. The convenience of drinking is obtained by a direct flow-out hole of the closed lid. The closing of the hole and the sanitation of the tap are held by the seal. COPYRIGHT: (C)2006,JPO&NCIPI
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