US Patent 11578757 Sealing apparatus and sealing structure
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Edits on 6 Apr, 2023
Golden AI
Infobox
Is a
Patent Applicant
Patent Jurisdiction
Patent Number
115787570
Date of Patent
February 14, 2023
0Patent Application Number
164178810
Date Filed
May 21, 2019
0Patent Citations
Patent Primary Examiner
Edits on 15 Feb, 2023
Golden AI
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Infobox (+22 properties)
Article (+666 characters)
US Patent 11578757 Sealing apparatus and sealing structure
Article
A sealing apparatus includes: an annular reinforcement ring around an axis; and an annular elastic body part around the axis, which is attached to the reinforcement ring and is formed of an elastic body. The elastic body part has: a side lip, an intermediate lip, and a grease lip. A grease as a lubricant is applied to respective inner peripheral side surfaces of the side lip, the intermediate lip, and the grease lip. A thickener of the grease includes no urea-based thickener. In a usage state of the sealing apparatus, a cross sectional area of an inter-lip space enclosed by the side lip, the intermediate lip, and a hub ring is equal to or greater than 3.5 mm
Infobox
Is a
Patent Applicant
Patent Jurisdiction
Patent Number
115787570
Date of Patent
February 14, 2023
0Patent Application Number
164178810
Date Filed
May 21, 2019
0Patent Citations
Patent Primary Examiner
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