| 摘要 |
<p>"IMPROVEMENTS IN OR RELATING TO FOOTWEAR".. This invention relates to air-permeable insoles comprising a web or matt of fibres loaded with active carbon and held together by a binder disposed predominently at or near the surfaces of the web or matt, and at least one surface of said web or matt having a wear-resistant fabric bonded thereto by means of a discontinuous layer of binder extending from the surface of each of the wearresistant fabrics into the surface of the web or matt.</p> |
