| 发明名称 |
FILTERING FACE-PIECE RESPIRATOR HAVING WELDED INDICIA HIDDEN IN PLEAT |
| 摘要 |
A filtering face-piece respirator 10 that comprises a harness 14 and a mask body 12 that has a pleats 21. The mask body 12 has an indicia 19 located within the pleat 21 in at least a partially non-visible location when the pleat 21 is folded. The indicia 19 is made from a weld pattern and is fully visible when the pleat 21 is unfolded. The fully visible indicia 19 provides an indication to the wearer that the mask body is in its proper unfolded condition. The indicia 19 also includes welded lines that extend normally across the pleat to improve collapse resistance. |
| 申请公布号 |
US2014182600(A1) |
申请公布日期 |
2014.07.03 |
| 申请号 |
US201213727983 |
申请日期 |
2012.12.27 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
Duffy Dean R. |
| 分类号 |
A41D13/11 |
主分类号 |
A41D13/11 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A filtering face-piece respirator that comprises:
(a) a harness; and (b) a mask body that has a filtering structure that contains one or more pleats, a welded indicia is located within the pleat(s) in at least a partially non-visible location when the pleat is folded, the indicia being fully visible when the pleat is unfolded. |
| 地址 |
St. Paul MN US |
