| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an apparatus for pulverizing charcoal being a very hard material at a low cost. <P>SOLUTION: The apparatus is provided with: a cylindrical glass vessel 1 in which the charcoal is charged; a holding means 7 for holding the cylindrical glass vessel at its central part; and a rotary driving means 2 for rotating the cylindrical glass vessel around the holding part of the cylindrical glass vessel held by the holding means. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
