| 摘要 |
A mouthpiece for a regulator is of a structure in which it is possible to freely utter words, and to talk even when a driver wears the regulator. The mouthpiece 10 is mounted under a communicating condition on a demand regulator unit 2 which is connected to a cylinder through a hose 4. The mouthpiece 10 comprises a tube 12 abutted against an outer side of a mouth portion of a diver, and a pair of teeth grips 13 extending from the tube into a cavum oris of the diver, so as to be bitten and held by molar teeth of the diver. When the mouthpiece 10 is worn, the mouth portion of the diver is made free. Accordingly, talking and conversation are made possible while being worn.
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