Title:
複数チャンバ式呼吸マスクの封止装置及び方法
Document Type and Number:
Japanese Patent JP6850812
Kind Code:
B6
Abstract:
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 a mask body having a first air chamber, a second air chamber, and a breathable air zone. A valve assembly is operable to a closed configuration to prevent airflow from the first and second air chambers into the breathable air zone.
Inventors:
カスティリオーネ，デーヴィッド エム．
Application Number:
JP2018550821A
Publication Date:
April 28, 2021
Filing Date:
March 15, 2017
Export Citation:
Assignee:
スリーエム イノベイティブ プロパティズ カンパニー
International Classes:
A62B18/10; F16K24/00; F16K24/04