Mittelstadt, William A.,Blomberg, David M.,Holmquist-Brown, Thomas W.,Cernohous, Adam J.,Cowell, Michael J.
申请号:
AU2017240441
公开号:
AU2017240441A1
申请日:
2017.03.15
申请国别(地区):
AU
年份:
2018
代理人:
摘要:
The present disclosure provides a respiratory protection device that includes a valve assembly operable between an open configuration and a closed configuration. In some exemplary embodiments, the respiratory protection device includes an elastomeric seal, and a valve assembly and a breathing air source component are in sealing engagement with the elastomeric seal when the valve assembly is in the closed configuration.