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公开(公告)号：US4275858A
公开(公告)日：1981-06-30
申请号：US945106
申请日：1978-09-25
摘要： A Panel Breaking Apparatus comprising at least one fusible conductor having at least one region of increased fusibility and embedded in intimate contact with the panel material and connected to a source of electrical power operable to produce a high-energy pulse of current sufficient to fuse the conductor and thus to break the panel.
摘要翻译： 一种面板破裂装置，包括至少一个易熔体导体，其具有至少一个具有增加的可熔性的区域，并且嵌入与面板材料的紧密接触并且连接到电源，可操作地产生足以熔化导体的高能量脉冲 从而打破了面板。
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公开(公告)号：US4352353A
公开(公告)日：1982-10-05
申请号：US116028
申请日：1980-01-31
摘要： A respirator comprising a hood and visor adapted to protect a wearer against an undesirable substance and so closely to fit and envelop the wearer's head as to be susceptible of being worn underneath a helmet, the visor being formed to accommodate an oronasal mask and the respirator having purge gas supply means for maintaining a positive pressure within the respirator and for washing over the visor in visual regions thereof as well as breathing gas supply means.
摘要翻译： 一种呼吸器，其包括罩和遮阳板，其适于保护佩戴者免受不需要的物质的影响，并且如此紧密地适配和包围佩戴者的头部以便易于佩戴在头盔下方，所述遮阳板形成为容纳口鼻罩，并且所述呼吸器具有 净化气体供应装置，用于在呼吸器内保持正压并在其视觉区域以及呼吸气体供应装置上洗涤遮阳板。
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公开(公告)号：US4131974A
公开(公告)日：1979-01-02
申请号：US712874
申请日：1976-08-09
申请人： Colin B. Bolton , Gerald P. Hermer
发明人： Colin B. Bolton , Gerald P. Hermer
CPC分类号： B63C9/1255
摘要： A flotation stole having a chest portion of greater capacity at one side than the other so that it will invert an unconscious wearer who is face down in the water, even though the wearer may also be wearing clothing and an immersion suit and the stole being disposed to be symmetrical below the water level to ensure that the wearer may then lie in a substantially symmetrical configuration when face up in the water, that is without one shoulder being lower than the other.
摘要翻译： 浮标在另一侧的一侧具有较大容量的胸部部分，因此即使穿戴者也可能穿着衣服和浸入式衣服，并且被处置的偷窃者将会将面朝下的无意识的穿着者反转在水中 在水平面下对称，以确保当面朝上在水中时，佩戴者可以处于基本上对称的构造，即没有一个肩部低于另一个肩部。
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