| 摘要 |
PROBLEM TO BE SOLVED: To provide a pumping tube for a squeeze pump capable of preventing its local early wear, realizing uniform wear in all the sections as much as possible, eliminating waste of a material, and improving its durability economically. SOLUTION: In this pumping tube for the squeeze pump arranged and inscribed along an inner face 1a of a drum 1 and formed by having flexibility so as to discharge fluid absorbed from one end 2A of the tube by pressing rolling of a roller 4 from the other end 2B of the tube, wall thickness of the tube in a rolling part T pressed and rolled by the roller 4 in the total length of the tube is set to be larger than wall thickness of the tube in the other parts. COPYRIGHT: (C)2007,JPO&INPIT
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