| 摘要 |
A self-adjusting blade for engagement with a moving work surface, comprising a steel strip elongated in a first direction between first and second sides, said strip having an edge section along said first side for contact with sai d work surface, and said edge section being hardened to a hardness exceeding that of the remaining part of said strip. The self-adjusting blade is provid ed with a coating of a low wear resistencial material covering substantially al l of said edge section at least on the part thereof contacting the work surfac e. |
