Powered air respirator
Номер патента: CA1165205A
Опубликовано: 10-04-1984
Автор(ы): Emil J. Kvaal, Richard C. Berg
Принадлежит: Minnesota Mining and Manufacturing Co
Опубликовано: 10-04-1984
Автор(ы): Emil J. Kvaal, Richard C. Berg
Принадлежит: Minnesota Mining and Manufacturing Co
Реферат: 127,953 CAN/ETO Powered Air Respirator Abstract A powered air respirator which provides hardhat (safety helmet), respiratory, eye and face protection and comprises a hardhat, a shell member spaced from and overlying the hardhat, air filtering means in the space between the shell member and the hardhat, a face shield assembly attached to and depending from the front of the shell member, a transparent face shield in said face shield assembly, face sealing means on the peripheral edge of said face shield assembly to seal against a user's face from temple to temple and an air circulating means located in the rear portion of the shall member is disclosed.
Modular powered air purifying respirator system
Номер патента: EP3710119A2. Автор: Sean SPRINGER,Daren OLSEN,Steve TOURISON. Владелец: Immediate Response Technologies Inc. Дата публикации: 2020-09-23.