Casio Computer Co., Ltd.

Takanori Suzuki

Yoshimasa Yokoyama

Yasushi Murai

Takayuki Hirotani

Hirotaka Yuno

Shigeru Futawatari

A stamp-face platemaking device transports a medium holder inserted into a plate insertion portion to a printing unit. The medium holder holds a stamp face material in a plate-like member, and has a predetermined pattern in a side end portion thereof. An optical sensor detects the top end portion of the medium holder on a sensor scanning line in the inserting direction, and the pattern start point and the pattern end point of the predetermined pattern. At least one of the horizontal and vertical sizes of the stamp face material is set based on the positions of two of the detected end portions. When the pattern end point is detected, platemaking with the stamp face material is started.

Stamp-face platemaking device, medium holder, and medium holder manufacturing method

A stamping-face plate holder is provided. The stamping-face plate holder comprises a plate holding member formed with a positioning recess for receiving and positioning a stamping-face plate and a film for covering the stamping-face plate held in the plate holding member. The stamping-face plate is made of a porous material impregnated with ink. The plate holding member consists of a top paper board and a bottom paper board, both boards being integrated by adhering and the positioning recess is formed in the top paper board. The film covers the whole surface of the top paper board and adheres to the top paper board excepting the stamping-face plate held therein.

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Kodaira, Japan

Takanori Suzuki