To efficiently and certainly removing an magnetized impurity by outstandingly enhancing a surface magnetic flux density of a wall surface of a passage through which a fluid such as a powdery resin material passes.
The removing device 10 for the impurity 2 is provided with a body 12 having the passage 14 through which the powdery resin and other fluids 1 pass at the inside. The passage 14 adsorbs the impurity 2 tinctured with magnetism contained in the fluid 1 passing through the passage 14 onto the wall surface 14a to remove it from the fluid 1. The passage 14 is formed between inner walls 12a of the body formed by at least a plurality of magnets 16 and permendurs 18 arranged between a plurality of magnets 16 and arranged in opposed to each other.
TAKAYAMA KENJI
BABA SHOSHI
Toru Kikuchi
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