Respirator valve
Assignee3M Innovative Properties Company
InventorsChristopher P. Henderson, Reyad A. Abdulqader, James J. May, Mark A. J. Fernandes, Daniel P. Jenkins, Stuart J. King, Elliott J. Baxter, Mario-Alexander Lehmann, Andrea Lejewski
Life of this patent
Estimating the term…
Abstract
A personal respiratory protection device comprising a main body (12) carrying an exhalation valve (28), the valve (28) having a grip region (29) which is grippable in use by the user, the grip region (29) being configured to indicate to the user that the valve (28) is to be gripped during opening, donning and doffing of the device.
Claims19
A personal respiratory protection device comprising a main body carrying an exhalation valve, the exhalation valve comprising two curved side walls that form a grip region that is grippable in use by a user, wherein each curved side wall has an inwardly extending mid-portion and outwardly extending base and upper sections, wherein the inwardly extending mid-portion extends toward an interior of the exhalation valve and outwardly extending base and upper sections extend away from the interior of the exhalation valve, wherein the grip region further comprises a first and second ridge disposed on a top surface of the valve, the first and second ridge each extending a respective curved side wall and extending upward from the top surface of the valve, and wherein the grip region is configured to indicate to the user that the valve is to be gripped by the user during opening, donning, and doffing of the device.
Dependencies are inferred from the claim text.