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    • 9. 发明授权
    • Snap-on, screw off cap and container neck
    • 扣紧,拧紧盖子和容器颈部
    • US5267661A
    • 1993-12-07
    • US830133
    • 1992-01-31
    • Daniel LuchRichard E. Repp
    • Daniel LuchRichard E. Repp
    • B29C65/00B29C65/02B65D1/02B65D41/04B65D41/17B65D41/34B65D77/20
    • B65D41/34B65D1/023B65D41/0421B65D41/0471B65D41/17B65D41/3404B65D41/3409B65D2101/0023B65D2101/0038B65D2101/0053B65D2251/0015B65D2251/0093B65D2501/0081B65D2577/205
    • A tamper-evident, snap-on, screw-off closure is used with a specially shaped container neck. The neck has at least one first helical thread on an upper neck stretch portion, and at least one external ratchet tooth on a locking wall portion below the upper neck stretch portion. The closure has an upper skirt having at least one second helical thread mating with the first helical thread of the neck. A downward extending lower skirt portion includes an outer skirt portion and a shoulder extending inwardly from said outer skirt portion. A frangible section interconnects the shoulder and the upper skirt portion. At least one substantially vertical fin is formed upstanding from the shoulder, preventing upward deformation of the lower skirt portion without breaking the frangible section. The lower skirt portion has at least one internal ratchet tooth, and is formed with a line of weakness extending through the outer skirt portion and the shoulder. The lower skirt has a tear tab which, when pulled, fractures the lower skirt on a vertical line. Continued pulling on the tab sequentially fractures the frangible section.
    • 特殊形状的容器颈部使用防篡改,卡扣式,旋紧式封闭件。 颈部具有在上颈部拉伸部分上的至少一个第一螺旋形螺纹和在上颈部伸展部分下方的锁定壁部分上的至少一个外部棘轮齿。 封闭件具有上裙部,其具有与颈部的第一螺旋螺纹配合的至少一个第二螺旋螺纹。 向下延伸的下裙部包括外裙部和从所述外裙部向内延伸的肩部。 易碎部分将肩部和上裙部相互连接。 从肩部形成至少一个基本垂直的翅片,防止下裙部的向上变形而不破坏易碎部分。 下裙部具有至少一个内部棘齿,并且形成有延伸穿过外裙部和肩部的弱线。 下裙部有一个撕裂片,当被拉动时,它在垂直线上折下下裙部。 继续拉动标签依次破碎易碎部分。