| 摘要 |
An injection molding nozzle 10 is provided having a first sealing member 24 to substantially eliminate the leakage of molten material from around the injection nozzle 10. A second sealing member 22 is configured to substantially reduce the leakage of a pressurized fluid, such as air, which may be used to open and close a valve stem 28 associated with the injection nozzle.
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