Method and insole for heating a foot within a shoe

摘要

In an insole (l) for a shoe are filled with a fluid hollow body (3 - 6) are provided, each of which has a tube (7) having closed ends (8, 9) is formed. In the center region of each tube (7) is installed a throttle element (l0), the tubes (7) in the sub-cavities (ll, l2) is divided. The throttle element (l0) has throttle channels (2l), are defined in the sub-cavities (ll, l2) connected to each other. Characterized in that alternately a pressure is applied when walking in the heel area and the toe area, is the in the sub-cavities (ll, l2) reciprocal introduced fluid and forth through the choke channels (2l) is pressed, whereby heat is generated, which is emitted to the environment and this warms the foot.