| 摘要 |
A synthetic annular sealing ring is provided. The ring has a break therein with first and second complementary ends defining opposite sides of the break. An internally directed annular section of the ring has a first and second internal tongues protruding from the ring ends, and it has first and second internal slots formed in the internally directed section of the ring ends. The first internal tongue is aligned to fit into the second internal slot, and the second internal tongue is aligned to fit into said first internal slot. An externally directed annular section of the ring has a first and second external tongues abutting the second and first internal tongues and protruding from the ring ends, and it has first second external slots formed therein at the ring ends and abutting the second and first internal slots. The first external tongue is aligned to fit into the second external slot, and the second external tongue is aligned to fit into the first external slot. The first and second internal tongues are each longer than both of the first and second external tongues in the annular direction of the ring.
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