| 摘要 |
PROBLEM TO BE SOLVED: To provide a roll that the durability is extremely high and the elasticity deterioration, the change of color and the yellow coloration etc. are hardly occurring. SOLUTION: In the roll for removing, exploiting and cleaning the moisture, oil or chemical composition that adhere on a steel plate, a nonferrous metal plate or a cleaned face of film and applying the moisture, oil or chemical composition that adhere on the cleaned face, the above roll overlays two or more almost discotic roll pieces formed with the double structure of the porous polyurethane having the unwoven fabrics and extremely-fine bubble. COPYRIGHT: (C)2005,JPO&NCIPI
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