发明名称 |
Respirator Including Contrast Layer |
摘要 |
Various embodiments of a respirator and a method of making such respirator are disclosed. In one or more embodiments, the respirator includes a mask body and a harness attached to the mask body. The mask body can include an outer cover web, an inner cover web, a filtration layer disposed between the outer cover web and the inner cover web, and a contrast layer disposed between the outer cover web and the inner cover web in a sinus region of the mask body. A portion of the contrast layer can be visible through an outer surface of the outer cover web to form a contrast region of the mask body, where the outer surface of the outer cover web faces away from the filtration layer. |
申请公布号 |
US2016016021(A1) |
申请公布日期 |
2016.01.21 |
申请号 |
US201414333542 |
申请日期 |
2014.07.17 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
Duffy Dean R. |
分类号 |
A62B23/02;B01D46/00;A41D13/11 |
主分类号 |
A62B23/02 |
代理机构 |
|
代理人 |
|
主权项 |
1. A filtering face-piece respirator comprising a mask body and a harness attached to the mask body, wherein the mask body comprises:
an outer cover web; an inner cover web; a filtration layer disposed between the outer cover web and the inner cover web; and a contrast layer disposed between the outer cover web and the inner cover web in a sinus region of the mask body, wherein a portion of the contrast layer is visible through an outer surface of the outer cover web to form a contrast region of the mask body, wherein the outer surface of the outer cover web faces away from the filtration layer. |
地址 |
St. Paul MN US |