SEALING DEVICE - NOK CORP

Title:

SEALING DEVICE

Document Type and Number:

WIPO Patent Application WO/2014/021179

Kind Code:

A1

Abstract:

Provided is a sealing device formed by combining a slinger and a lip member, the sealing device being configured so as to improve the sealing properties thereof, particularly the sealing properties against outside dust. In order to obtain such properties, the sealing device has a slinger mounted to one of two members rotating relative to each other and also has a lip member mounted to the other of the two members, the slinger being integrally provided with a cylindrical section fitted to the one member, and with a flange section extending in the radial direction, the lip member having an end face lip in close contact with the flange section in a slideable manner. The sealing device is characterized in that a bent section protruding in the axial direction toward the lip member is provided to the flange section and in that a labyrinth structure provided with a minute gap is provided between the bent section and the lip member.

More Like This:

JP2585619	[Name of invention] Sealing device
JPS6487974	DOUBLE LIP OIL SEAL DEVICE

Inventors:

MATSUI HIROKI (JP)
SATO SHIHO (JP)

Application Number:

PCT/JP2013/070133

Publication Date:

February 06, 2014

Filing Date:

July 25, 2013

Export Citation:

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Assignee:

NOK CORP (JP)

International Classes:

F16J15/32

Domestic Patent References:

WO2009145178A1	2009-12-03
WO2009125734A1	2009-10-15

Foreign References:

JPH0320175A	1991-01-29
JP2011503493A	2011-01-27
JPH0427262U	1992-03-04
JPS6269625U	1987-05-01
JP2007177815A	2007-07-12
JP2003262235A	2003-09-19
JPH0216863U	1990-02-02
JPS63128320U	1988-08-22
JP2004316681A	2004-11-11

Other References: