| 发明名称 |
HOLDER, ROLLING BEARING, METHOD OF MANUFACTURING HOLDER AND INJECTION MOLDING DIE |
| 摘要 |
<p>A cage (14) is made of a magnesium alloy and has a light weight and a high strength. The cage (14) is made of a magnesium alloy such as AZ91D, and is formed by means of injection molding. In this cage (14), a confluence region is brought away to outside the cage (14) during the injection molding. The confluence region is a region including voids formed by merging of flows of the magnesium alloy.</p> |
| 申请公布号 |
EP2400176(A4) |
申请公布日期 |
2013.01.02 |
| 申请号 |
EP20100743773 |
申请日期 |
2010.02.17 |
| 申请人 |
NTN CORPORATION |
发明人 |
SHIMAZU, EIICHIROU;HAYAKAWA, YASUTAKE |
| 分类号 |
F16C33/38;B22C9/28;B22D17/00;B22D17/22;B22D21/04;F16C33/41;F16C33/44;F16C33/46;F16C33/49;F16C33/56 |
主分类号 |
F16C33/38 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
