JPS5231263A - Oil seal - Google Patents

Oil seal

Info

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
Application number
JP50107471A
Other languages
Japanese (ja)
Other versions
JPS5610507B2 (en
Inventor
Kiyoshi Inoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inoue Japax Research Inc
Original Assignee
Inoue Japax Research Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inoue Japax Research Inc filed Critical Inoue Japax Research Inc
Priority to JP50107471A priority Critical patent/JPS5231263A/en
Publication of JPS5231263A publication Critical patent/JPS5231263A/en
Publication of JPS5610507B2 publication Critical patent/JPS5610507B2/ja
Granted legal-status Critical Current

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
JP50107471A 1975-09-04 1975-09-04 Oil seal Granted JPS5231263A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6359205U (en) * 1986-10-06 1988-04-20

Cited By (5)

* Cited by examiner, † Cited by third party
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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