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    • 12. 发明公开
    • HEADSPACE SEALING AND DISPLACEMENT METHOD FOR REMOVAL OF VACUUM PRESSURE
    • 用于去除真空压力的顶空密封和位移方法
    • EP1723044A1
    • 2006-11-22
    • EP05722112.9
    • 2005-03-04
    • Melrose, David Murray
    • Melrose, David Murray
    • B65D39/12B65D51/18B65D41/04B65D41/62B65D85/72B65D81/32B65D1/02B65B31/02
    • B65B61/24B65B31/00B65D79/005B67C3/045B67C2003/226
    • A container (1) is intended for filling with a hot liquid (21). The container (1) has a neck finish (2) with an opening closed off by a primary seal (4) which has an expandable side wall (4a). As the liquid (21) cools, the side wall (4a) is drawn into the container (1) to remove vacuum pressure created within the container (1). A permanent cap (25) can provide a secondary seal for the container and define a secondary headspace (24b) between the primary and secondary seals (4) (25). In other embodiments the seal (4) can be replaced by a mechanically movable seal which may be locked in its downward position. Also the secondary seal can be provided with a port or aperture to provide access into the secondary headspace for a commodity. Also a commodity such as a tablet or pill may be provided within the secondary headspace
    • 容器(1)用于填充热液体(21)。 容器(1)具有颈口(2),开口由具有可膨胀侧壁(4a)的主密封件(4)封闭。 当液体(21)冷却时,侧壁(4a)被吸入容器(1)中以去除容器(1)内产生的真空压力。 永久盖(25)可以为容器提供辅助密封并且限定主密封和次密封(4)(25)之间的第二顶部空间(24b)。 在其他实施例中,密封件(4)可以被可锁定在其向下位置的机械可动密封件代替。 此外,辅助密封件可以设置有端口或孔口以提供进入用于商品的第二顶部空间的入口。 也可以在第二顶部空间内提供诸如药片或药丸的商品