Sealing device

CN116420035BActive Publication Date: 2026-07-21NOK CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NOK CORP
Filing Date
2021-10-15
Publication Date
2026-07-21

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Abstract

A seal arrangement includes a seal housing disposed between a cylinder and a rod, an inner seal disposed between the rod and the seal housing, the inner seal in contact with the rod, and an outer seal disposed between the inner seal and the seal housing, the outer seal in contact with the inner seal and the seal housing, wherein one of the outer seal and the seal housing has a contact face in contact with the other of the outer seal and the seal housing, and the contact face has a concave portion.
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