Heated shoe, self-sustaining for a long duration

摘要: A polyester fabric- or film-based heating element (14), is placed, es. in the toe area, under skiver insole (17), next foot. thermal barrier (24) of aluminium foil covered insulation lies between and an inner sole (30), sealing cellular upper face (22) outer (20), whose underside (6) contact with ground. The extend to heel, lying over a polypropylene battery box (10) removable cover (36), accessed by folding forward layers, including foam heel pad (19). 5 1.5v series-connected cells are connected plaited tinned copper leads. also contains socket for recharging battery.