| 发明名称 |
Prefilter cover for bidirectional-airflow respirator cartridge |
| 摘要 |
A prefilter cover for a bidirectional-airflow respirator cartridge, the prefilter cover including front and rear clamshell portions that are flexibly connected by a flexible connecting member. |
| 申请公布号 |
US9440775(B2) |
申请公布日期 |
2016.09.13 |
| 申请号 |
US201414285197 |
申请日期 |
2014.05.22 |
| 申请人 |
3M Innovative Properties Company |
发明人 |
Dwyer Gary Edward;Legare Pierre |
| 分类号 |
B65D43/16;B65D85/00;A62B18/02;A62B18/04;A62B23/02;A62B18/00;A62B25/00 |
主分类号 |
B65D43/16 |
| 代理机构 |
|
代理人 |
Wood Kenneth B. |
| 主权项 |
1. A prefilter cover for a bidirectional-airflow respirator cartridge, the prefilter cover comprising a front clamshell portion with a proximal end and a distal end and an air-permeable major area, a rear clamshell portion with a proximal end and a distal end and an air-permeable major area, and, at least one flexible connecting member that flexibly connects the distal end of the front clamshell portion and the distal end of the rear clamshell portion,
wherein the front clamshell portion is adapted to be removably mounted on a front face of a bidirectional-airflow respirator cartridge and the rear clamshell portion is adapted to be removably mounted on a rear face of the bidirectional-airflow respirator cartridge. |
| 地址 |
St. Paul MN US |
