A full face mask for a papr

作者: Oliver Klockseth

DOI:

关键词:

摘要: A full face mask (1) for a PAPR (Powered Air Purifying Respirator) to be used in health hazardous environments, having an air inlet (7, 8) and outlet (16), manufactured one piece from transparent plastic step vacuum forming process with single curved field of vision (4) exempt distorsions comprising compartment (5) inside forehead area the accommodating blower unit (2).

参考文章(20)
Armen Karapetyan, Visor-type face shield for dentist ,(2005)
Susan G. Danisch, Patrick H. Carey, Michael R. Berrigan, Protective system for face and respiratory protection ,(1997)
Corey M. Grove, Stephen E. Chase, Advanced chemical/biological crew mask ,(2000)
Edward Lemahieu, Bernard L. Ballou, Lyndell Duvall, Ron Criss, Chris Hartley, Paul Wetzel, Charles Eric Hunter, Laurie Mcneil, Jocelyn Hunter, Charles Jones, Jack Hebrank, Respirators for delivering clean air to an individual user ,(2007)
Mark J. Pellerite, Gerald R.A. Hofmann, Zai-Ming Qiu, Oscar S. Benz, Suresh Iyer, Andrew S. Viner, Craig A. Burton, Thomas P. Klun, Gregory D. Clark, Respirator, welding helmet, or face shield that has low surface energy hard-coat lens ,(2008)