FIELD: hygiene.
SUBSTANCE: device for protection of respiratory organs is made in the form of multilayer fabric shell with front, side and rear parts, containing outer and inner layers with layer of heat-insulated liner placed between them. Outer layer is made of material tightly covering parts of human head with respiratory organs, second layer is made of a package of materials: polyester lining fabric with reflective sputtering, insulated liners with natural wool, inner layer is made in the form of a soft lining of antibacterial tissue with sanitary and hygienic and physiological properties. In the front part of the above shell, opposite the nose and mouth, a heat exchanger is installed in the form of a heat-recovery element made of a mesh located inside the frost-resistant plastic frame in the form of a volumetric triangular ledge open from the front. Two sides of heat exchanger form oval, lower transverse side is straight line, wherein carcass is bent along obturation line to make collar over carcass perimeter with width of 1.2–1.5 cm. Said collar is covered by soft materials of lining and heat insulation material.
EFFECT: invention refers to means of personal protection of human body in general and respiratory organs in conditions of thermal discomfort.
10 cl, 4 dwg
Authors
Dates
2020-05-12—Published
2019-03-27—Filed