JP4850787B2 - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- JP4850787B2 JP4850787B2 JP2007158931A JP2007158931A JP4850787B2 JP 4850787 B2 JP4850787 B2 JP 4850787B2 JP 2007158931 A JP2007158931 A JP 2007158931A JP 2007158931 A JP2007158931 A JP 2007158931A JP 4850787 B2 JP4850787 B2 JP 4850787B2
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- Prior art keywords
- lip
- shaft
- protrusions
- sealing device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Sealing With Elastic Sealing Lips (AREA)
Description
本発明は、上記の点に鑑みて発明されたものであって、主リップと副リップとの間に形成される環状空間内の負圧を解消するとともに、軸に対するフリクションの低減を図った密封装置の提供を目的とするものである。
4 主リップ
5 副リップ
14 突起
15 間隙(通路)
Claims (1)
- 密封側の主リップと大気側の副リップとがゴム状弾性体で一体に成形され、軸の装着時に前記主リップと副リップとの間に形成された環状空間に生ずる負圧を解消するため前記の副リップの先端部内周面の複数箇所に突起を設けた密封装置において、
前記副リップの先端部内周面に設けた複数箇所の突起の数を軸の回転方向に等間隔で奇数としたことを特徴とする密封装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007158931A JP4850787B2 (ja) | 2007-06-15 | 2007-06-15 | 密封装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007158931A JP4850787B2 (ja) | 2007-06-15 | 2007-06-15 | 密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008309273A JP2008309273A (ja) | 2008-12-25 |
JP4850787B2 true JP4850787B2 (ja) | 2012-01-11 |
Family
ID=40237050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007158931A Active JP4850787B2 (ja) | 2007-06-15 | 2007-06-15 | 密封装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4850787B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7121135B2 (ja) | 2019-03-29 | 2022-08-17 | Nok株式会社 | 密封装置 |
CN112793203A (zh) * | 2020-12-23 | 2021-05-14 | 重庆春阳密封制品有限公司 | 高低压双向高强度油封一次成型方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219253A (ja) * | 1982-06-14 | 1983-12-20 | Sumitomo Bakelite Co Ltd | 熱硬化性樹脂水系乳濁液 |
JP2005291283A (ja) * | 2004-03-31 | 2005-10-20 | Riken Corp | ハウジング形管継手 |
JP2005299753A (ja) * | 2004-04-08 | 2005-10-27 | Ntn Corp | 鉄道車両車軸用軸受の密封装置 |
-
2007
- 2007-06-15 JP JP2007158931A patent/JP4850787B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2008309273A (ja) | 2008-12-25 |
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