FIELD: bridge sealing. SUBSTANCE: proposed sealing includes sealing ring with ring slot defining the clearance. Arc-shaped bridge passes through clearance and it is fitted into sealing ring. Bridge contains fixed end which catches the sealing ring owing to friction force for limiting differential ring displacement between them. Bridge is provided with sliding end catching the sealing ring on opposite side of clearance at smaller friction that fixed end to provided differential ring displacement between them. EFFECT: improved reliability of sealing. 10 cl, 4 dwg
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