| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method for reducing the amount of the waste loss of kneaded matter, such as cement kneaded matter, by exactly deciding the position of a porous cleaning body consisting of sponge, etc., and stopping the cleaning body at a home position in inserting the cleaning body into a pipeline for force feeding of the kneaded matter and cleaning the pipeline. SOLUTION: In inserting the pliable porous cleaning body 7 into the pipeline 3 for force feeding of the kneaded matter, such as cement-base kneaded matter, and forcibly feeding the kneaded matter, A metallic core body 8 is inserted into the pliable porous cleaning body 7 and the approaching of the pliable porous cleaning body 7 is detected by a detecting means 9 disposed in the pipeline 3 for force feeding described above.</p> |
