| 发明名称 |
VALVE FOR PRESSURIZED METERED DOSE DISPENSER |
| 摘要 |
A valve for an aerosol canister for containing medicaments is disclosed. The valve comprises a valve assembly, a ferrule for holding the valve assembly and a gasket for insertion into the ferrule. The ferrule has at least one ferrule interference surface and the gasket has at least one gasket interference surface, and the contact zone between the ferrule interference surface and the gasket interference surface comprises a plurality of relief portions. Preferably, the ferrule interference surface comprises a plurality of ferrule relief pockets and the gasket interference surface comprises a plurality of gasket relief pockets. Also disclosed is a method of manufacturing a valve for an aerosol canister. |
| 申请公布号 |
US2016121059(A1) |
申请公布日期 |
2016.05.05 |
| 申请号 |
US201414899020 |
申请日期 |
2014.06.17 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
Child Andrew D.;Helm Stephen D. |
| 分类号 |
A61M15/00 |
主分类号 |
A61M15/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A valve for an aerosol canister, the valve comprising a valve assembly, a ferrule for holding the valve assembly and a gasket for insertion into the ferrule, wherein the ferrule has at least one ferrule interference surface and the gasket has at least one gasket interference surface, and wherein the contact zone between the ferrule interference surface and the gasket interference surface comprises a plurality of relief portions. |
| 地址 |
St. Paul MN US |
