| 发明名称 |
METHOD FOR MANUFACTURING CAGE, AND CAGE AND BEARING |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To assure highly stable product accuracy by preventing the occurrence of a corner shear droop in a corner and the remaining of large roundness in a method for manufacturing the cage by bulging. <P>SOLUTION: A tubular blank 1 is preformed between an elastic body 12 for molding and a die 13 and thereafter liquid 3 is injected between the elastic body 12 for molding and the inner peripheral surface of the tubular blank 1. The tubular blank 1 is further pressurized by the elastic body 12 for molding. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
| 申请公布号 |
JP2005246465(A) |
申请公布日期 |
2005.09.15 |
| 申请号 |
JP20040063961 |
申请日期 |
2004.03.08 |
| 申请人 |
NSK LTD |
发明人 |
KOBAYASHI KAZUTO;SHINDO ISAO;OTSUKA SEIJI |
| 分类号 |
F16C33/42;B21D26/033;B21D26/041;B21D53/12;F16C33/54;(IPC1-7):B21D53/12;B21D26/02 |
主分类号 |
F16C33/42 |
| 代理机构 |
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代理人 |
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