| 摘要 |
<P>PROBLEM TO BE SOLVED: To inexpensively provide a roll for efficiently and surely sucking liquid at low negative pressure, and a cleaning device having the roll and a liquid sucking device. <P>SOLUTION: This roll 1 includes a roll part 2, a base 3 and fasteners 5, wherein the base 3 includes a body part 7 formed with an opening 10, and a joint part A8 and a joint part B9 connected to both ends of the body part 7; the joint part A8 and/or the joint part B9 are/is formed with a hollow part 11; the hollow part 11 communicates with the opening 10; hole parts 14 communicating with the opening 10 are opened on the outer periphery of the body part 7 and formed with the roll part 2; the roll part 2 has a plurality of nearly-annular roll pieces 4 each formed of nonwoven fabric laminated thereon and at least one end thereof is fixed by the fastener 5; and the inner diameter of the roll piece 4 is formed smaller than the outer diameter of the body part 7. <P>COPYRIGHT: (C)2012,JPO&INPIT |
