| 摘要 |
PURPOSE: Heat retaining shoes with a warm water fomentation function are provided to keep feet warm, thereby enabling a worker to comfortably work under a cold weather or in a cold place. CONSTITUTION: Heat retaining shoes comprise the following units. Pipe assembly grooves(11) are arranged on the soles of shoes in a zig zag shape. Warm water circulates through a warm water pipe(15). The warm water pipe is inserted into a pipe assembly groove. The warm water pipe is connected to the openings of shoes. The warm water pipe is connected to a portable boiler which supplies warm water by a pump. |
