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1. 发明授权

US5005700A Gas tight packaging with a safety device 失效
标题翻译：气密封装带安全装置
公开(公告)号：US5005700A
公开(公告)日：1991-04-09
申请号：US468616
申请日：1990-01-23
申请人： Holmer Rohling , Christoph Bauer , Harald M. Friedrichs , Roderich Thometschek
发明人： Holmer Rohling , Christoph Bauer , Harald M. Friedrichs , Roderich Thometschek
IPC分类号： B65D25/10 , A62B25/00 , B65D81/20 , G01M3/36
CPC分类号： G01M3/36 , A62B25/00 , Y10S206/807
摘要： A gas-tight packaging arrangement for a device, such as a respirator containing an oxygen releasing chemical. The arrangement includes a safety device for checking the state of the packaging. The safety device acts on an elastic partial area of an evacuated envelope surrounding the device. The envelope may be made of foil or the like. The state of the packaging is indicated through a viewing window provided on a housing surrounding the envelope. A loss of vacuum is indicated by providing a tensioned non-elastic band surrounding at least part of the circumference of the envelope. The non-elastic band includes a visible mark band part which may be viewed through the viewing window. The visible mark band part includes a breaking point, the breakage of the visible mark band part being visible through the viewing window. To tension the non-elastic band, a strain relief element may be provided bridging the visible mark band part such that the belt may be tensioned without breaking the visible mark band part.
摘要翻译：用于装置的气密包装装置，例如含有释氧化学品的呼吸器。该装置包括用于检查包装状态的安全装置。安全装置作用在围绕设备的真空包络的弹性部分区域上。信封可以由箔等制成。通过设置在围绕信封的壳体上的观察窗来指示包装的状态。通过提供围绕信封的圆周的至少一部分的张紧非弹性带来指示真空损失。非弹性带包括可以通过观察窗观看的可见标记带部分。可见标记带部分包括断裂点，可见标记带部分的断裂通过观察窗可见。为了张紧非弹性带，可以设置桥接可见标记带部分的应变消除元件，使得带可以被张紧而不破坏可见标记带部分。

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