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1. 发明申请

WO2020026149A1 PLEATED AIR FILTER WITH BRIDGING FILAMENTS AND CONTINUOUS-CONTACT FILAMENTS 审中-公开
公开(公告)号：WO2020026149A1
公开(公告)日：2020-02-06
申请号：PCT/IB2019/056507
申请日：2019-07-30
申请人： 3M INNOVATIVE PROPERTIES COMPANY
发明人： ZHANG, Zhiqun , NGUYEN, Nhat Ha Thi , LE, Jimmy M. , GREGERSON, Glen O. , GERHARDT, Bryan L. , EITZMAN, Philip D.
IPC分类号： B01D46/52 , F24F3/16 , B60H3/06
摘要： A pleated air filter media is provided. The pleated air filter media comprises a plurality of upstream linear bridging filaments that are extrusion-bonded to at least some of a plurality of upstream pleat tips of a fibrous web, and a plurality of downstream continuous -contact filaments that are extrusion-bonded to a downstream face of the fibrous web. Methods of making and using the same are also provided.

2. 发明申请

WO2011163002A2 RESPIRATOR THAT HAS INWARD NOSE REGION FOLD WITH HIGH LEVEL CONFORMATION 审中-公开
标题翻译：具有高水平配合的密封区域的呼吸器
公开(公告)号：WO2011163002A2
公开(公告)日：2011-12-29
申请号：PCT/US2011/040241
申请日：2011-06-14
申请人： 3M INNOVATIVE PROPERTIES COMPANY
发明人： EITZMAN, Philip D. , DUFFY, Dean R.
IPC分类号： A62B18/02 , A62B9/04 , A62B7/10
CPC分类号： A62B18/025 , A41D13/1123 , A62B23/025
摘要： A flat fold filtering face piece respirator 10 that includes a mask body 12 and a harness 14. The mask body 12 includes a filtering structure 16 that contains a cover web 48, 50 and a filtration layer 52 that contains electrically-charged microfibers. The filtering structure 16 is folded over upon itself in a nose region 32 of the mask body 12 to be at least 1 centimeter or more wide and to extend across the upper perimeter of the mask body in a generally straight line when the respirator is in the folded condition. The filtering structure 16 has a deflection greater than about 0.5 millimeters and has a recoverability of at least 40% in the folded condition. A mask body having this construction is beneficial in that it does not need to use a nose foam to obtain a snug fit over the nose.
摘要翻译：包括面罩主体12和线束14的平折式过滤面件呼吸器10.面罩主体12包括过滤结构16，过滤结构16包含覆盖纤维网48,50和含有带电微纤维的过滤层52。过滤结构16在面罩主体12的鼻部区域32中自身折叠成至少1厘米或更宽，并且当呼吸器处于折叠条件。过滤结构16具有大于约0.5毫米的偏转，并且在折叠状态下具有至少40％的可恢复性。具有这种结构的面罩体是有益的，因为它不需要使用鼻泡来获得鼻子上的贴合。

3. 发明申请

WO2023285918A1 TOUCH-FREE SEAL CHECK SYSTEMS AND METHODS FOR RESPIRATORY PROTECTION DEVICES 审中-公开
公开(公告)号：WO2023285918A1
公开(公告)日：2023-01-19
申请号：PCT/IB2022/056221
申请日：2022-07-05
申请人： 3M INNOVATIVE PROPERTIES COMPANY
发明人： AFRIDI, Muhammad J. , FALKNOR, Subhalakshmi M. , ZHAO, Wei , SHARMA, Ambuj , MIRJALILI, Vahid , YLITALO, Caroline M. , EITZMAN, Philip D. , MANNER, Marie D.
IPC分类号： G06V20/52 , G06V40/16 , A62B18/00
摘要： A fit detection system for a respiratory protection device is presented. The system includes a camera that captures an image sequence of a user wearing the respiratory protection device. The system also includes a feature extractor that analyzes the image sequence and extracts features from the image sequence. The system also includes a fit score calculator that analyzes the extracted features and calculates a fit score indicative of how well the respiratory protection device fits the user. The system also includes a communication component that communicates the fit score.

4. 发明申请

WO2018052874A1 EXHALATION VALVE AND RESPIRATOR INCLUDING SAME 审中-公开
标题翻译：包括相同的呼气阀和呼吸器
公开(公告)号：WO2018052874A1
公开(公告)日：2018-03-22
申请号：PCT/US2017/051066
申请日：2017-09-12
申请人： 3M INNOVATIVE PROPERTIES COMPANY
发明人： EITZMAN, Philip D. , XUE, Thomas J.
IPC分类号： A62B18/10 , A62B18/02 , A62B23/02
摘要： Various embodiments of an exhalation valve and a filtering face mask that includes such exhalation valve are disclosed. The exhalation valve can include a valve seat and a valve flap disposed over a seal surface and an orifice of the valve seat. The valve flap is adapted to be sealed against the seal surface of the valve seat when the exhalation valve is disposed in a closed configuration such that fluid is prevented from flowing through the valve seat. The orifice of the valve seat can include a substantially circular shape in a plane defined by a first major surface of the valve seat. Further, the seal surface can circumscribe the orifice and can include a substantially noncircular shape in the plane defined by the first major surface of the valve seat.
摘要翻译：公开了呼气阀和包括这种呼气阀的过滤面罩的各种实施例。呼气阀可包括阀座和设置在阀座的密封表面和孔口上的阀瓣。当呼气阀布置在关闭构型中时，阀瓣适于抵靠阀座的密封表面密封，从而防止流体流过阀座。阀座的孔口可以包括在由阀座的第一主表面限定的平面中的基本上圆形的形状。此外，密封表面可以围绕孔口并且可以在由阀座的第一主表面限定的平面中包括基本上非圆形的形状。

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