发明名称 |
Method of providing a weapon barrel with an internal hard chromium layer |
摘要 |
A method of providing an inner surface of a weapon barrel with a hard chromium layer includes the steps of forming the hard chromium layer on the inner surface by galvanic separation; and thereafter heating the hard chromium layer beyond the re-crystallization temperature thereof for obtaining, upon conclusion of the heating step, a uniform re-crystallization of the hard chromium layer in its entirety.
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申请公布号 |
US6467213(B1) |
申请公布日期 |
2002.10.22 |
申请号 |
US19990442809 |
申请日期 |
1999.11.18 |
申请人 |
RHEINMETALL W & M GMBH |
发明人 |
SCHLENKERT GERT;RECKEWEG HORST;WAGNER HARTMUT |
分类号 |
F41A21/02;C21D1/34;C21D9/12;C25D5/50;C25D7/04;F41A21/22;(IPC1-7):F41A21/04 |
主分类号 |
F41A21/02 |
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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