| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a lightweight pulp molded form excellent in moldability and thermal insulation, having high mechanical strength and excellent in disposability as well. <P>SOLUTION: The pulp molded form has the following structure: the thickness is changed from a thin-walled portion 23 via stacking level differences 22 to a thick-walled portion 24, and the density at the proximity 23a of the level differences 22 at the thin-walled portion 23 is higher than the density at the other portions of the proximity 23a at the thin-walled portion 23 and not lower than the density at the thick-walled portion 24. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
