| 摘要 |
PROBLEM TO BE SOLVED: To provide a container cap that can be used for a lid of container while being turned and fastened, wherein the container cap enables an easy opening of all types of lids such as a lid for PET bottle or cosmetic bottle, tooth paste tube, soy sauce bottle that can be hardly opened in particular. SOLUTION: The inside part of a cap and the outside part of a neck portion of a bottle are provided with protrusions and the cap and the bottle are engaged to each other. The cap of a PET bottle having three protruded hooks at the inside part of the cap of the PET bottle and at the outside part of the PET bottle that are engaged to each other can be easily opened in a turning of 1/3 of its full rotation. COPYRIGHT: (C)2011,JPO&INPIT
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