The present invention provides an air-purifying respirator facepiece with a removable, one-piece filter element connector. It also has a removable component housing in the lens as well as a nosecup without inhalation valves that prevents fogging of the portion of the lens used for viewing.
申请公布号
WO02092170(A2)
申请公布日期
2002.11.21
申请号
WO2002US15015
申请日期
2002.05.10
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
KIEFER, EILEEN, A.;CAVALIERE, MARK;WOLF, ROGER, P.;ZELLER, PAUL, A.;SCHMIDKE, KLAUS
