| 发明名称 |
METHOD AND DEVICE FOR PRODUCING GROOVED BOLTS |
| 摘要 |
The invention relates to a method for producing a bolt (10) with a head (12) which is provided with a circumferential groove (20) or channel, wherein the groove (20) or channel is produced by pressing a bulge (18) against the head (12) by means of a radially active closing tool (112). |
| 申请公布号 |
US2015190861(A1) |
申请公布日期 |
2015.07.09 |
| 申请号 |
US201314419417 |
申请日期 |
2013.09.02 |
| 申请人 |
RT HOLDINGS III WG (US), LP |
发明人 |
Funk Jakob;Hoffmann Dieter |
| 分类号 |
B21K1/46;B21J9/06;B21J5/08 |
主分类号 |
B21K1/46 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. Method for producing a bolt (10) having a head (12), which is provided with a peripheral groove (20) or channel, characterised in that the groove (20) or channel is produced by pressing a bead (18) on the head (12) using a radially active closure tool (112). |
| 地址 |
Luxembourg LU |
