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    • 1. 发明授权
    • Liquid crystal welding glass shields having improved optical angular
properties
    • 具有改善的光学角度特性的液晶焊接玻璃屏蔽
    • US5825441A
    • 1998-10-20
    • US569095
    • 1995-12-22
    • Ake HornellStephen Palmer
    • Ake HornellStephen Palmer
    • G02F1/13A61F9/06F16P1/06G02F1/1337G02F1/1347G02F1/1336
    • G02F1/13471A61F9/062A61F9/067
    • A liquid crystal welding glass structure whose density increases when welding is commenced includes two liquid crystal cells which are mounted between polarization filters which have an extinguishing effect on one another. When mounting the filters, the filters are turned so that their respective angular dependencies on the optical density counteract one another. With the intention of improving this compensating effect, the brushing/rubbing of the mutually opposing limiting walls which determine the direction of the molecules is limited to at least one of the component cells whose relative angular displacement differs from 90.degree. and is smaller than or coincident with 85.degree.. The angle is preferably between 20.degree. and 85.degree..
    • PCT No.PCT / SE95 / 00455 Sec。 371 1995年12月22日第 102(e)日期1995年12月22日PCT提交1995年4月25日PCT公布。 出版物WO95 / 29428 日期:1995年11月2日焊接开始时的密度增加的液晶焊接玻璃结构包括安装在彼此具有熄灭效果的偏振滤光器之间的两个液晶单元。 当安装过滤器时,过滤器被转动,使得其对光密度的各自的角度依赖性彼此抵消。 为了改善这种补偿效果,确定分子方向的相互相对的限制壁的刷涂/摩擦被限制在至少一个相对角度位移不同于90°并且小于或重合的组分单元 85度。 角度优选在20°和85°之间。
    • 10. 发明申请
    • Mask restraining system
    • 面罩约束系统
    • US20070215158A1
    • 2007-09-20
    • US11377092
    • 2006-03-16
    • Kevin KroupaWilliam KullmannStephen Palmer
    • Kevin KroupaWilliam KullmannStephen Palmer
    • A61M16/00A62B18/08
    • A61M16/0078A61M16/0084A61M16/06A61M16/0683A61M16/208
    • A mask restraining system used with a bag mask resuscitator for securely seating a mask on a patient's face is disclosed. The mask restraining system may include a retainer defining upper and lower slots adapted to engage first and second cords, respectively. The bag mask resuscitator may include hollow, flexible tubing having a distal end in communication with a resuscitation bag for forcing air through the flexible tubing and a proximal end in communication with a valve assembly that is rotatably engaged with the mask. The mask includes a port adapted to engage an aperture defined by the retainer in order to engage the mask to the retainer. The first and second cords may be engaged to the upper slots and lower slots, respectively, in order to securely seat the mask on the patient' face when the first and second cords are tightened relative to the retainer.
    • 公开了一种与用于将面罩牢固地放置在患者面上的袋式复苏器一起使用的面罩约束系统。 掩模约束系统可以包括保持器,其限定分别适于接合第一和第二帘线的上部和下部狭槽。 袋子掩模复苏器可以包括中空的柔性管道,其具有与复苏袋连通的远端,用于迫使空气通过柔性管道,以及近端与与该掩模可旋转接合的阀组件连通。 掩模包括适于接合由保持器限定的孔的端口,以便将掩模接合到保持器。 第一和第二帘线可以分别接合到上槽和下槽,以便当第一和第二帘线相对于保持器紧固时,将面罩牢固地安置在患者面上。