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Title:
AIR DIFFUSION PIPE AND METHOD FOR WASHING AIR DIFFUSION PIPE
Document Type and Number:
WIPO Patent Application WO/2015/072400
Kind Code:
A1
Abstract:
Provided is an air diffusion pipe wherein air diffusion properties are rapidly recovered even directly after the air diffusion pipe is washed by supplying washing fluid to a membrane support body, and air diffusion can always be performed evenly. An air diffusion pipe (13) is provided with a membrane body (21) in which a plurality of air diffusing hole slits (21a) are formed so as to pass through between an outer peripheral surface and an inner peripheral surface constituted by a viscoelastic body with a tube shape and a tube shaped membrane support body (20) that supports the membrane body (21) from the inside. Through holes (20a) that pass through the tube wall of the membrane support body (20) are formed on an upper surface side and a lower surface side of the membrane support body (20), and air diffusing hole slits (21a) are not formed in at least the regions in the membrane body (21) corresponding to the through holes (20a).

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Inventors:
OKAJIMA YASUNOBU (JP)
NANRI KAZUO (JP)
Application Number:
PCT/JP2014/079533
Publication Date:
May 21, 2015
Filing Date:
November 07, 2014
Export Citation:
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Assignee:
KUBOTA KK (JP)
International Classes:
C02F3/20; B01F3/04; B01F5/06; B01F15/00
Foreign References:
JP2011125781A2011-06-30
JP2011092835A2011-05-12
JP2004305886A2004-11-04
JP2006015274A2006-01-19
JP2009172582A2009-08-06
JPH0125679Y21989-08-01
JP2005334847A2005-12-08
JP4781302B22011-09-28
Other References:
See also references of EP 3070059A4
Attorney, Agent or Firm:
HASHIMOTO, KAORU (JP)
Hashimoto Scent (JP)
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