| 摘要 |
PROBLEM TO BE SOLVED: To provide a low load seal exhibiting excellent sealing performance with low load to lengthen the service life of equipment. SOLUTION: An annular load seal 1 mounted in an annular dovetail groove 3 having an opening 4, a first side wall surface 5, a second side wall surface 6 and a bottom wall surface 7, is formed in trifurcated cross section having a first arcuate part 8, a second arcuate part 9 and a projecting part 12 and comprising a recessed part 10 provided between the first arcuate part 8 and second arcuate part 9 in correspendence with the bottom wall surface 7.
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