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Methodand apparatus for gratifying excessive oral needs
Methodand apparatus for gratifying excessive oral needs
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机译:满足过度口腔需求的方法和设备
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摘要
To satisfy the sucking need present to some degree in all humans, a sucking device having the shape of a smoking pipe has its bowl filled with a consumable liquid which the user withdraws through the stem of the device by sucking on the stem mouthpiece. An adjustable needle valve is provided on the stem to regulate the sucking power required to receive the liquid in the mouth. The bowl of the device is provided with a cover on which is mounted a diaphragm valve or other one-way opening check valve through which air enters the bowl to prevent the formation of a vacuum therein.
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