| 摘要 |
A cutting device with at least one cutting part each comprising a first (1) and a second (2) face meeting at an edge, wherein on at least one of the cutting parts at least a part of the first face (1) immediately adjacent to the edge is harder than the second face (2). A method for manufacturing the cutting device of the invention from at least one prefabricated cutting part of a certain hardness each comprising a first (1) and a second (2) face meeting at an edge, whereby on at least one of the cutting parts at least a part of the first face (1) immediately adjacent to the edge is provided with a layer substantially harder than the material of the prefabricated cutting part.
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