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Sintered metallic bearing and fluid dynamic bearing device equipped with the bearing
US8992658B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8992658-B2 |
| Application number | US-201013255058-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 2, 2010 |
| Priority date | Mar 19, 2009 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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A sintered metal bearing is obtained by compression-molding of a raw-material powder containing at least a Cu powder, an SUS powder, and a pure Fe powder and thereafter sintering a compression-molded body at a predetermined temperature.
First claim
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The invention claimed is: 1. A sintered metal bearing, which is obtained by compression-molding and sintering subsequent thereto of a raw-material powder containing a plurality of metal powders, and which includes therein a large number of pores capable of impregnating oil, wherein the raw-material powder contains a Cu powder, an SUS powder, and a pure Fe powder, and respective containing rates of the Cu powder, the SUS powder, and the pure Fe powder with respect to the raw-materi…
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Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Mechanical Engineering · mapped topic
- C22C9/00Primary
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8992658B2 cover?
- A sintered metal bearing is obtained by compression-molding of a raw-material powder containing at least a Cu powder, an SUS powder, and a pure Fe powder and thereafter sintering a compression-molded body at a predetermined temperature.
- Who is the assignee on this patent?
- Ito Fuyuki, Okamura Kazuo, Hibi Kenji, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C22C9/00. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).