Patent application number | Description | Published |
20080292231 | Sealing Device - In a sealing device ( | 11-27-2008 |
20090127796 | Sealing device - To improve sealing performance by a labyrinth to inhibit entry of dust, a sealing device ( | 05-21-2009 |
20090127797 | Sealing device - To prevent deterioration of sealing ability during installation of a second seal ring, facilitate parting of a first seal ring from a mold, and enhance degree of freedom of setting the thickness of a seal lip, a sealing device has a first seal ring ( | 05-21-2009 |
20090200750 | Oil Seal and Process for Producing the Same - To maintain an excellent friction reducing function over a long period of time, with having excellent abrasion resistance and excellent sealing properties, the oil seal has a seal lip ( | 08-13-2009 |
20100109252 | OIL SEAL - For an oil seal ( | 05-06-2010 |
20140319775 | SEALING DEVICE - The invention provides a sealing device which can inhibit an external dust in an atmospheric side from intruding into a lip end, thereby inhibiting a sealing fluid leakage by trapped dust. In a sealing device inhibiting leakage of a sealing fluid in an inboard side to an atmospheric side, coming into contact with a shaft by a seal lip end and circumferentially having in an atmospheric side inclined surface of the seal lip with a plurality of screws exerting a pumping action to the sealing fluid, a three-dimensional shape for preventing the dust intrusion is provided between the screws so as to inhibit the external dust intrusion in the atmospheric side toward the lip end. The three-dimensional shape is constructed by a projection or a groove extending in a parallel direction to the lip end. The projection or the groove is connected to the screws longitudinally in both end portions. | 10-30-2014 |
20150285379 | SEALING DEVICE - The invention provides a sealing device constructed by combination of a slinger and a lip member, the sealing device being capable of improving a sealing performance, particularly a sealing performance against external dusts. In order to achieve the object, in a sealing device having a slinger which is installed to one member among relatively rotating two members, a lip member which is installed to the other member, and structured such that the slinger integrally has a tubular portion which is fitted to the one member and a flange portion which extends in a diametrical direction, and the lip member having an end face lip which slidably comes into close contact with the flange portion, a bent portion protruding in an axial direction toward the lip member is provided in the flange portion, and a labyrinth structure having a minute gap is provided between the bent portion and the lip member. | 10-08-2015 |