| 摘要 |
FIELD: transport.SUBSTANCE: seal ring has multiple recesses distributed regularly along seal ring inner surface. Said recesses are shaped to circular segment. Note here that lug is arranged at the center of every recess with ejector rod made at its free end. Ejector rods have central bore to allow ejector to grip ejector rods for extraction of hardened seal ring 1 from injection mould and injection moulding. Invention covers also production of said seal ring.EFFECT: better seal, improved control and stable pressure in gear shifting.2 cl, 4 dwg |
