Topic Bottom inside the jiyusa tube in former jiyusa and furthermore, on bottom inside the jiyusa tube to remove the cylindrical salient and the cylindrical sinking section which exist respectively in lower part of the screw, it to be possible, be able to install the screw in stability, to make cleaning easy, jiyusamojiyuru which can cut off the fact that the moisture of the jiyusa tube leaks outside securely is offered.SolutionsIt possesses the material input port in the upper open type jiyusa tube, and one side it is arranged inside the net drum and the net drum which inside the cover and the jiyusa tube which are connected to the top of the aforementioned jiyusa tube are arranged with stationary type the screw which possesses the spiral section the side and the axis of rotation which penetrates the center of bottom of the jiyusa tube and, it has, the guide rotary section is formed by the top of the screw, touching to the angular section of the guide rotary section, can provide the revolution guide who guides the revolution of the screw in the cover Selective figure Figure 1
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