Title:
TUBE PUMP
Document Type and Number:
WIPO Patent Application WO/2018/008245
Kind Code:
A1
Abstract:
The tube pump comprises a metallic pump case 21 and a flexible tube 23 in such a manner that a pump chamber 24 is expanded/contracted by an indirect medium supplied to a drive chamber 25. Resin annular blocks 26 are fitted to the inner side of respective end parts of the flexible tube 23, and resin flanges 31 are welded to the outer side of the respective end parts of the flexible tube 23. Metallic fastening rings 34 are fastened to the pump case 21 by means of screw members 35, and a compressive force is applied to the flanges 31 between the pump case 21 and the fastening rings 34.
Inventors:
MURAOKA HIROYUKI (JP)
Application Number:
PCT/JP2017/016890
Publication Date:
January 11, 2018
Filing Date:
April 28, 2017
Export Citation:
Assignee:
KOGANEI LTD (JP)
International Classes:
F04C5/00; F04B43/10
Foreign References:
| JPH11117872A | 1999-04-27 | |||
| JP2010031653A | 2010-02-12 | |||
| JPS6451781U | 1989-03-30 |
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
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