| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve problems in a conventional cap having a pressurizing device that the shape of the cap is not compact, removing the cap requires time, pressurizing takes time and there is a sanitary defect on the premise that it is reused. <P>SOLUTION: In the cap for a PET bottle, air can flow only from the outside to the inside of a container by fixing a unitary type pump and an air valve on the cap. The pump has a spring so that the pump can returned to the original situation after it is pressed. By this, the shape of the cap is compact and the pressurizing can be done by a thumb and the convenience of the cap is improved. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
