Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kentaro Shindo0
Masami Kamiya0
Ryoji Okabe0
Takahiro Tachibana0
Date of Patent
August 30, 2022
0Patent Application Number
167900720
Date Filed
February 13, 2020
0Patent Citations
Patent Primary Examiner
A composite blade made of prepreg obtained by impregnating reinforcement fibers with resin and curing the resin-impregnated reinforcement fibers, the composite blade including: a blade root provided on a base end and fitted into a blade groove; an airfoil provided extending from the blade root toward a tip end; and a metal patch provided between the blade groove and the blade root and placed on the blade root. The metal patch includes a plurality of projections protruding toward the blade root.
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