HERMETICALLY SEALED ISOLATING CLOTHING Russian patent published in 1999 - IPC

FIELD: production of protective clothing. SUBSTANCE: clothing with air distribution system has overalls provided with outer heat-resistant layer, inner gas-impermeable layer and intermediate heat-resistant layer made from nonwoven material. Cavity defined between outer and intermediate layers is communicated with space under clothing and is adapted for providing directed air circulation. Clothing is further provided with boots connected with overalls, gloves and helmet. Intermediate layer has opening disposed adjacent to valve and having diameter equal to that of valve. Intermediate layer is further provided with heat-reflective metallized material, with metallized surface of material being faced to outer layer. Air is supplied into space under clothing at flow rate of 10-20 l/min. Heat-reflective material is provided with opening similar to opening in nonwoven material. Construction of clothing allows prolonged staying of user under extreme conditions, for instance, in corrosive medium and increased temperature zones. EFFECT: increased efficiency in protecting workers from extreme conditions, wider operational capabilities and simplified construction. 2 dwg, 1 tbl