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    • 1. 发明授权
    • Flat-folded personal respiratory protection devices and processes for preparing same
    • 平折个人呼吸防护装置及其制备方法
    • US06886563B2
    • 2005-05-03
    • US10798581
    • 2004-03-11
    • Graham J. BostockJohn W. BryantDesmond T. CurranChristopher P. HendersonDennis L. KruegerJames F. Dyrud
    • Graham J. BostockJohn W. BryantDesmond T. CurranChristopher P. HendersonDennis L. KruegerJames F. Dyrud
    • A62B18/02A41D13/11A62B7/10A62B23/02
    • A62B23/025A41D13/11A41D13/1115
    • Fold-flat personal respiratory protection devices that have a flat substantially rectangular central portion having first and second edges, at flat first member joined to the first edge of the central portion through either a fold-line, seam, weld or bond, said fold, bond, weld or seam of the first member being substantially coextensive with said first edge of said central portion, and a flat second member joined to the second edge of the central portion through either a fold-line, seam, weld or bond, the fold, bond, weld or seam of the second member being substantially coextensive with said second edge of said central portion. At least one of the central portion and first and second members are formed from filter media. The device is capable of being folded flat for storage with the first and second members being in at least partial face-to-face contact with a common surface of the central portion and, during use, is capable of forming a cup-shaped air chamber over the nose and mouth of the wearer with the unjoined edges of the central portion and first and second members adapted to contact and be secured to the nose, cheeks and chin of the wearer. The outer boundary of the unjoined edges which are adapted to contact the nose, cheeks and chin of the wearer are less than the perimeter of the device in the flat folded storage state. Also provided are process for preparing such devices.
    • 折叠式个人呼吸保护装置,具有平坦的大致矩形的中心部分,具有第一和第二边缘,平坦的第一部件通过折线,接缝,焊接或接合连接到中心部分的第一边缘,所述折叠部分, 所述第一构件的接合,焊缝或接缝与所述中心部分的所述第一边缘基本上共同延伸;以及平坦的第二构件,其通过折叠线,接缝,焊接或接合连接到所述中心部分的第二边缘,所述折叠 ,所述第二构件的接合,焊接或接缝与所述中心部分的所述第二边缘基本上共同延伸。 中心部分和第一和第二部件中的至少一个由过滤介质形成。 该装置能够被折叠成平坦的,用于存储,其中第一和第二构件与中心部分的共同表面至少部分地面对面接触,并且在使用期间能够形成杯形空气室 在中心部分的未接合的边缘处穿过穿着者的鼻子和嘴部,并且第一和第二构件适于接触并固定到穿着者的鼻子,脸颊和下巴。 适合接触穿戴者的鼻子,脸颊和下颚的非接合边缘的外边界小于平折折叠存储状态下的装置的周边。 还提供了用于制备这种装置的过程。
    • 5. 发明授权
    • Flat-folded personal respiratory protection devices and processes for preparing same
    • 平折个人呼吸防护装置及其制备方法
    • US07069930B2
    • 2006-07-04
    • US11069531
    • 2005-02-28
    • Graham J. BostockJohn W. BryantDesmond T. CurranChristopher P. HendersonDennis L. KruegerJames F. Dyrud
    • Graham J. BostockJohn W. BryantDesmond T. CurranChristopher P. HendersonDennis L. KruegerJames F. Dyrud
    • A62B18/02
    • A62B23/025A41D13/11A41D13/1115
    • A personal respiratory protection device that comprises a mask body and an exhalation valve that is secured to the mask body. The mask body includes (i) a flat central panel; (ii) a flat first panel joined to the central panel through a fold-line, seam weld, or bond, the fold-line, seam, weld or bond of the first panel being substantially coextensive with an edge of the central panel; (iii) a flat second panel joined to the central panel through a fold-line, seam, weld or bond, the fold-line, seam, weld or bond of the second panel being substantially coextensive with an edge of the central panel. At least one of the center, first and second panels includes filter media.The device is capable of being folded for storage with the first and second panels in at least partial face-to-face contact with a common surface of the central panel and, during use, is capable of forming, over the nose and mouth of the wearer, a cup-shaped air chamber having a face-contacting periphery.
    • 一种个人呼吸保护装置,其包括固定到面罩主体的面罩主体和呼气阀。 面罩主体包括(i)平坦的中央面板; (ii)通过折线,缝焊或接合连接到中心板的平坦的第一面板,第一面板的折线,接缝,焊接或接合部与中心面板的边缘基本上共同延伸; (iii)通过折叠线,接缝,焊接或接合连接到中心面板的平坦的第二面板,第二面板的折线,接缝,焊接或接合部与中心面板的边缘基本上共同延伸。 中心,第一和第二面板中的至少一个包括过滤介质。 该装置能够被折叠以便与第一和第二面板一起存储,与中心面板的共同表面至少部分地面对面接触,并且在使用期间能够形成在鼻部和鼻部 佩戴者,具有面接触周边的杯形空气室。