INSERT INNER SOLE FOR SHOE (VERSIONS) Russian patent published in 1999 - IPC

FIELD: light industry, in particular, production of special-purpose man's shoes. SUBSTANCE: according to first version, insert inner sole has upper and lower layers manufactured from natural fabric, with linen proving to be best as fabric with high moisture absorbing and hygienic characteristics. Continuous layer of peatmoss ground to powder state is positioned between layers of woven materials. Upper and lower layers are stitch-quilted. According to second version, inner sole is further provided with layer of heat-insulating material metallized at both sides and having mirror reflecting surface. EFFECT: simplified construction, increased moisture absorbing capacity, improved antiseptic characteristics and low heat conductivity. 3 cl, 2 dwg