| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sealing device that can avoid a jam by a simple mechanism. <P>SOLUTION: The device is provided with a mechanism that is capable of vertically moving a lower block 71, which holds a pressure roller R4, by rotating an operation lever 73. By this movement, a gap between a pair of the pressure roller and the other roller can be increased only by a predetermined amount or the pressure roller can contact the other in order to perform a sealing operation. <P>COPYRIGHT: (C)2003,JPO |
