JPS5231263A - Oil seal - Google Patents
Oil sealInfo
- Publication number
- JPS5231263A JPS5231263A JP50107471A JP10747175A JPS5231263A JP S5231263 A JPS5231263 A JP S5231263A JP 50107471 A JP50107471 A JP 50107471A JP 10747175 A JP10747175 A JP 10747175A JP S5231263 A JPS5231263 A JP S5231263A
- Authority
- JP
- Japan
- Prior art keywords
- oil seal
- magnetically
- electrically
- close contact
- material mixed
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
PURPOSE: Oil seal capable of detecting close contact conditions, electrically or magnetically, by giving conductivity or magnetic action by means of seal material mixed with metallic powder.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50107471A JPS5231263A (en) | 1975-09-04 | 1975-09-04 | Oil seal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50107471A JPS5231263A (en) | 1975-09-04 | 1975-09-04 | Oil seal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5231263A true JPS5231263A (en) | 1977-03-09 |
JPS5610507B2 JPS5610507B2 (en) | 1981-03-09 |
Family
ID=14460028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50107471A Granted JPS5231263A (en) | 1975-09-04 | 1975-09-04 | Oil seal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5231263A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5540448A (en) * | 1992-02-25 | 1996-07-30 | Heinzen; Ralph | Seal with electrical conductor wear indicator |
US5785323A (en) * | 1992-02-25 | 1998-07-28 | Heinzen; Ralph | Seal with electrical conductor wear indicator |
US7405818B2 (en) | 1998-06-03 | 2008-07-29 | Ralph Heinzen | Self monitoring static seal with optical sensor |
EP1956275A1 (en) * | 2007-02-12 | 2008-08-13 | Robert Bosch GmbH | Electric device for recognising the wear status of a dynamic sealing element |
WO2020115237A1 (en) * | 2018-12-06 | 2020-06-11 | Carl Freudenberg Kg | Bearing assembly |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6359205U (en) * | 1986-10-06 | 1988-04-20 |
-
1975
- 1975-09-04 JP JP50107471A patent/JPS5231263A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5540448A (en) * | 1992-02-25 | 1996-07-30 | Heinzen; Ralph | Seal with electrical conductor wear indicator |
US5785323A (en) * | 1992-02-25 | 1998-07-28 | Heinzen; Ralph | Seal with electrical conductor wear indicator |
US7405818B2 (en) | 1998-06-03 | 2008-07-29 | Ralph Heinzen | Self monitoring static seal with optical sensor |
EP1956275A1 (en) * | 2007-02-12 | 2008-08-13 | Robert Bosch GmbH | Electric device for recognising the wear status of a dynamic sealing element |
WO2020115237A1 (en) * | 2018-12-06 | 2020-06-11 | Carl Freudenberg Kg | Bearing assembly |
Also Published As
Publication number | Publication date |
---|---|
JPS5610507B2 (en) | 1981-03-09 |
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