Respiratory hood
AssigneeTesta Technologies T.T. Ltd.
InventorsUri Alon, Yaron Reshef, Elhanan Schaham
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Abstract
A positive-pressure respirator hood assembly comprising, a gas-impermeable hood made of a flexible material, formed with at least a transparent visor portion; a gas treatment unit, comprising a filter and a power-operated blower to force air through the filter and generate a positive pressure within the hood; a one-way purge valve for facilitating the exhaust of exhaled gases and moisture from the hood; and a sealing portion for sealingly securing the hood over a body portion of the user; the respirator hood assembly is designed to be compactly received in a container and to be deployed into an operative state automatically, whereby a user is provided protection from toxic gases and particulate material.
Claims28
A positive-pressure respirator hood assembly comprising, a gas-impermeable hood made of a flexible material, formed with at least a transparent visor portion;
- a gas treatment unit, comprising a filter and a power-operated blower to force air through the filter and generate a positive pressure within the hood;
- a one-way purge valve for facilitating the exhaust of exhaled gases and moisture from the hood;
- and a sealing portion for sealingly securing the hood over a body portion of the user;
- the respirator hood assembly is designed to be compactly received in a container and to be deployed into an operative state automatically, whereby a user is provided protection from toxic gases and particulate material.
Dependencies are inferred from the claim text.