FIELD: mechanics.
SUBSTANCE: invention relates to movable joints seals. The proposed seal contains a larger diameter pipe accommodating a smaller diameter pipe or a shaft and sleeves arranged therein. A part of sealing seals is press-fitted into the larger diameter pipe hole with the other part of the seals is press-fitted along the outer diameter of the smaller diameter pipe or shaft. Sleeves made from self-lubricant, e.g. fluoroplastic-based one are arranged between the joint seals. The invention ups the joint reliability.
EFFECT: increase in the movable joint reliability.
3 cl, 1 dwg
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