To provide a sintered material having a high dimensional accuracy in an entire sintered material in the sintered material which has a U shape and in which a groove is formed.
A compression molded product has the U shape in which two first and second pole legs are extended in a substantially perpendicular direction from both ends of a rod-like molded product body, and the groove is formed from the first end of one end toward the vicinity of the second end of the other end along the longitudinal direction of the molded product body on the opposed surface of the opposite direction to the pole let forming surface in the molded product body. The width of the intermediate part disposed between the pole legs of the molded product body is smaller than the other part, and a tapered part is formed in which the width of the molded product body is continuously reduced from the first end direction toward the intermediate part.
Shingo Nishide
Koichiro Okura
Miki Sato
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