| 摘要 |
PURPOSE: A squeezing device for semifluid materials is provided to extrude semifluid materials such as toothpaste little by little. CONSTITUTION: A device comprises a cylindrical tube(10), a supporting rod(30), a rotary rod(40), an extruding plate(50), a rotary pipe(60) and a discharging pipe(70). In the tube, the contents are restored. The supporting rod is supported by a closing-plate(20) united with the lower part of the cylindrical tube. The rotary rod is inserted in the circumference of the supporting rod, and thread is formed on the circumference. The extruding plate moves up and down according to the rotation of the rotary rod, and extrudes the contents of the cylindrical tube. The rotary pipe is installed in the upper part of the cylindrical tube, and transfers the turning force by settling the upper end of the rotary rod. The discharging pipe is adjacent to the upper part of the rotary pipe, and united with the upper end of the supporting rod. In the inside of the discharging pipe, a passage is formed.
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