JPS5572953A - Pressure proofing seal - Google Patents

Pressure proofing seal

Info

Publication number
JPS5572953A
JPS5572953A JP14703578A JP14703578A JPS5572953A JP S5572953 A JPS5572953 A JP S5572953A JP 14703578 A JP14703578 A JP 14703578A JP 14703578 A JP14703578 A JP 14703578A JP S5572953 A JPS5572953 A JP S5572953A
Authority
JP
Japan
Prior art keywords
section
shaft
convex part
lip
pressure side
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
JP14703578A
Other languages
Japanese (ja)
Other versions
JPS5920057B2 (en
Inventor
Akira Motohashi
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.)
Nok Corp
Original Assignee
Nippon Oil Seal Industry Co Ltd
Nok Corp
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 Nippon Oil Seal Industry Co Ltd, Nok Corp filed Critical Nippon Oil Seal Industry Co Ltd
Priority to JP53147035A priority Critical patent/JPS5920057B2/en
Publication of JPS5572953A publication Critical patent/JPS5572953A/en
Publication of JPS5920057B2 publication Critical patent/JPS5920057B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To secure the sealing performance of the lip section with a limited pressure force through an inward springing of a circular convex part provided on the high pressure side of the lip pressed against on the circumference of the shaft with an elastic pressure receiving material.
CONSTITUTION: This pressure proofing seal for sealing between the high pressure side 1 and the low pressure side 2 at the shaft-pierced section has a circular lip section 11 sealed on the shaft 3 and a circular section 12 to be fastened to the shaft hole 4. A circular convex part 15 is formed on the high pressure side 1 of the lip section 11 having a clearance 14 with the shaft. The convex part 15 is provided on the circumference between a pressure receiving member 17 having a engaging section 13 in such a manner that one end thereof tightly engages thereof while the other end forms an adhesion part 16 which is adapted to adhere tightly on the inner surface of the fastening section 12. Here, the engaging section 13 is made of a synthetic rubber material slightly elastic in the diametrical way. It relatively applies an inward force on the convex part and acts as an auxiliary contact force to the shaft of the lip section 11.
COPYRIGHT: (C)1980,JPO&Japio
JP53147035A 1978-11-28 1978-11-28 Pressure resistant seal Expired JPS5920057B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53147035A JPS5920057B2 (en) 1978-11-28 1978-11-28 Pressure resistant seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53147035A JPS5920057B2 (en) 1978-11-28 1978-11-28 Pressure resistant seal

Publications (2)

Publication Number Publication Date
JPS5572953A true JPS5572953A (en) 1980-06-02
JPS5920057B2 JPS5920057B2 (en) 1984-05-10

Family

ID=15421044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53147035A Expired JPS5920057B2 (en) 1978-11-28 1978-11-28 Pressure resistant seal

Country Status (1)

Country Link
JP (1) JPS5920057B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58187657A (en) * 1982-04-28 1983-11-01 Honda Motor Co Ltd Oil seal
JPS6078168A (en) * 1983-10-04 1985-05-02 Nok Corp Seal
JPS6378763U (en) * 1986-11-12 1988-05-25
JPH02125271U (en) * 1989-03-27 1990-10-16
JP2012172715A (en) * 2011-02-18 2012-09-10 Advics Co Ltd Shaft seal structure, and pump unit using the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58187657A (en) * 1982-04-28 1983-11-01 Honda Motor Co Ltd Oil seal
JPS6078168A (en) * 1983-10-04 1985-05-02 Nok Corp Seal
JPS6378763U (en) * 1986-11-12 1988-05-25
JPH0446132Y2 (en) * 1986-11-12 1992-10-29
JPH02125271U (en) * 1989-03-27 1990-10-16
JP2012172715A (en) * 2011-02-18 2012-09-10 Advics Co Ltd Shaft seal structure, and pump unit using the same

Also Published As

Publication number Publication date
JPS5920057B2 (en) 1984-05-10

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