| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve both of control of film thickness of a powder film and prevention of the sudden fall thereof. <P>SOLUTION: The roll press device is composed of: a pair of press rolls; a powder feeding means of feeding powder to the outer circumferential face of at least one press roll; a pre-rolling reduction roll of subjecting the powder to pre-rolling reduction between itself and at least the one press roll; and a humidifying means of humidifying a powder film formed by the pre-rolling reduction. <P>COPYRIGHT: (C)2012,JPO&INPIT |
