| 摘要 |
PROBLEM TO BE SOLVED: To provide a vane seal capable of reducing inside leakage of a rotary actuator.SOLUTION: A portal vane seal 9 includes a seal body 11 of elastic rubber of a cross-sectional X type, and a low frictional resin for covering an outer surface of the seal body 11, and moreover, a depth dimension of a recessed groove 20 in both corner parts Z, Z of a wholly portal type, is set larger than a depth dimension of a residual part Y. |
