Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ryuichi Nagal0
Date of Patent
September 3, 2024
0Patent Application Number
174950190
Date Filed
October 6, 2021
0Patent Citations
Patent Primary Examiner
Patent abstract
A seal structure includes a first layer having at least one first upward projecting portion, and a second layer having at least one first upward projecting portion. At least part of the first upward projecting portion of the first layer is covered with the first upward projecting portion of the second layer, and a composition material of the first layer is harder than a composition material of the second layer.
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