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    • 5. 发明授权
    • Shipping container for storing materials at cryogenic temperatures
    • 用于在低温下储存材料的运输容器
    • US6119465A
    • 2000-09-19
    • US247581
    • 1999-02-10
    • Patrick L. MullensGregg Emmel
    • Patrick L. MullensGregg Emmel
    • A01N1/02F17C13/00F25D3/10B65B63/08F25D3/08
    • A01N1/02A01N1/0257F17C13/006F25D3/107F17C2201/0109F17C2201/0119F17C2201/0157F17C2203/0333F17C2203/0375F17C2203/0391F17C2203/0631F17C2203/0682F17C2205/0305F17C2205/0308F17C2270/0509F25D2331/804
    • A disposable shipping container for storing materials at cryogenic temperatures with: a specimen holding chamber, an open cell plastic foam material surrounding the specimen holding chamber for holding liquid nitrogen in suspension, a plurality of insulating and cushioning materials surrounding the plastic foam, a removable and replaceable primary cap for enclosing the specimen holding chamber allowing for the insertion and removal of the specimen from the specimen holding chamber and for adding liquid nitrogen to the plastic foam. A secondary removable and replaceable cap covers the primary cap. A preferred embodiment includes a specimen holding chamber that is comprised of a resin impregnated paper cylinder at its top half and a similarly sized stainless steel mesh screen cylinder attached to the lower edge of the paper cylinder at the specimen holders bottom half. The stainless steel cylinder has an attached stainless steel mesh floor at its lower most portion. The first and second rigid surrounding walls are joined at their top most portion and continue perpendicularly at their bottom most portions thereby forming a standard vacuum vessel. The plenum created by the first and second rigid walls contain an amount of either carbon dioxide or water vapor so that when liquid nitrogen is introduced to the plastic foam, the low temperature of the surrounding liquid nitrogen causes a vacuum to be created within the first and second rigid surrounding walls.
    • 一种用于在低温下储存材料的一次性运输容器,包括:样本保持室,围绕用于保持液氮悬浮的样品保持室的开孔塑料泡沫材料,围绕塑料泡沫的多个绝缘和缓冲材料,可移除和 用于封闭样品容纳室的可更换的初级帽,允许从样品容纳室插入和移除样品并将液氮加入到塑料泡沫中。 辅助可拆卸和可更换的盖子覆盖主帽盖。 一个优选的实施例包括一个样品保持室,该样品容纳室由其上半部分的树脂浸渍纸缸和在样品保持器下半部分附着在纸缸的下边缘上的类似尺寸的不锈钢网眼筛筒组成。 不锈钢圆筒在其最下部有一个附着的不锈钢网板。 第一和第二刚性周围壁在它们的最上面部分连接并且在其最底部部分垂直延伸,从而形成标准真空容器。 由第一和第二刚性壁产生的增压室含有一定量的二氧化碳或水蒸气,使得当液体氮被引入到塑料泡沫中时,周围液氮的低温导致在第一和第二刚性壁内产生真空 第二个刚性的围墙。