Kikusui Seisakusho Ltd.

Sanwa Kagaku Kenkyusho Co., Ltd.

Fumiharu Ikai

Yuichi Ozeki

Kenji Harada

Kouichi Atagi

Yuichi Sanwa Kagaku Kenkyusho Co Ltd Ozeki

A punch of a compression molding machine is configured to be assembled with no use of any tool and achieves reduction in time necessary for the assembling process. The punch includes

Punch of compression molding machine

This invention provides a punch comprising: a center punch and an outer punch surrounding the outer periphery of the center punch, both of which being slidable and capable of compressing; and relative position restriction means for restricting a relative position of the center and outer punches, the relative position restriction means being configured to restrict a first position in which a punch tip of the center punch is protruded from a punch tip of the outer punch and a second position in which the punch tip of the center punch is substantially coincident with the punch tip of the outer punch, and being configured to fail to restrict a third position in which the punch tip of the center punch is retracted in the punch tip of the outer punch, as well as a rotary compression molding machine provided with the double-structured punch.

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Shiga, Japan

Fumiharu Ikai