| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a durable expander roll (particularly, a segmental, curved expander roll (R1) or flat expander roll (R2)) using a specific elastic tube (T) or an elastic belt (B) at a region accompanied with expansion and contraction. <P>SOLUTION: In the expander roll for wrinkle reduction or tentering by applying force to a traveling sheet-like object (S), the expander roll is an expander roll (R) using the elastic tube (T) or the elastic belt (B) at a region accompanied with expansion and contraction of the roll, and the elastic tube (T) or the elastic belt (B) includes at least one super high-molecular weight polyethylene layer (1). <P>COPYRIGHT: (C)2012,JPO&INPIT |
