发明名称 |
STEEL FILAMENT PATENTED IN BISMUTH |
摘要 |
A cold drawn carbon steel filament has a surface with traces of bismuth. The steel filament can be used as a sawing wire or as part of a steel cord. During its manufacturing the steel filament has been subjected to a controlled cooling by bringing the steel filament in contact with bismuth. Bismuth may replace lead without harming the environment. |
申请公布号 |
EP2271779(A1) |
申请公布日期 |
2011.01.12 |
申请号 |
EP20090737912 |
申请日期 |
2009.02.13 |
申请人 |
NV BEKAERT SA |
发明人 |
VANOVERBERGHE, KOEN;DEKEYSER, WILLEM;MEERSSCHAUT, DIRK |
分类号 |
C21D9/52;B21B45/02;C21D9/573 |
主分类号 |
C21D9/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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