Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kentaro Shindo0
Masami Kamiya0
Ryoji Okabe0
Date of Patent
July 12, 2022
Patent Application Number
16790903
Date Filed
February 14, 2020
Patent Citations
Patent Primary Examiner
A composite blade formed by laying up composite layers containing reinforcing fiber and resin, the composite blade comprising: a blade root mounted in a blade groove; an airfoil extending from the blade root to a front end side; and a metal patch mounted between the blade groove and the blade root, and bonded to the blade root.
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