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    • 30. 发明专利
    • Air vent of aluminum can
    • JP2004359339A
    • 2004-12-24
    • JP2003193936
    • 2003-06-04
    • Ryoji Ogawa亮二 小川
    • OGAWA RYOJI
    • B65D17/30B65D17/34B65D17/347B65D17/353B65D17/42
    • B65D17/4012B65D2517/0094
    • PROBLEM TO BE SOLVED: To solve the problem that a conventional aluminum can or the like is opened with a pull-tab, with the result that air enters the can and causes undulation when its contents are swallowed, ends up forming bubbles of the carbon dioxide gas of the contents in an early stage, which might fill the mouth with the bubbles and the contents, in particular, forming more bubbles of the carbon dioxide gas as the drink is swallowed quickly, which reduces a pleasant stimulation when the carbon dioxide gas is swallowed.
      SOLUTION: The aluminum can has a mechanism for making an air hole in a can lid with the aid of a pull-tab, thereby making it easy to open the can with fingers. Thus, since the air vent is made in the can lid, undulation is not caused and the drink starts to flow smoothly. Accordingly, the carbon dioxide gas of the drink does not bubble at the mouth but moderately bubbles in the throat, which enhances pleasant feeling of drinking. In addition, the speed at which a consumer swallows it can be adjusted according to his/her taste, which eliminates the need to pour it into a glass or the like before drinking it. Therefore, the consumer can enjoy drinking it. Further, it is possible for a consumer to drink the contents without making an air hole if unnecessary. Also, the projection of the tab sticks outward. This prevents an air hole from being made accidentally even in the event of shock during transport.
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