发明名称 |
REINFORCEMENT-LINKING DEVICE AND MANUFACTURING METHOD THEREOF |
摘要 |
The invention relates to a method for manufacturing a steel reinforcement-joining sleeve (20) or nut for a reinforced concrete work, said method comprising the following operations: forming rough areas (27) 29) on the outer surface of a steel blank through forging; forming a cylindrical cavity passing through the forged blank; and threading the cylindrical cavity. |
申请公布号 |
EP2504117(A1) |
申请公布日期 |
2012.10.03 |
申请号 |
EP20100790458 |
申请日期 |
2010.11.15 |
申请人 |
THIRION, EDGAR HENRI GERARD ALBERT |
发明人 |
THIRION, EDGAR HENRI GERARD ALBERT |
分类号 |
B21F15/06;B21J5/02;B21K1/68;B21K21/08;E04C5/16 |
主分类号 |
B21F15/06 |
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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