Title:
DRAFT TUBE AND AIR BUBBLE TOWER
Document Type and Number:
WIPO Patent Application WO/2003/023306
Kind Code:
A1
Abstract:
A draft tube installed in a tower for storing solution of an air bubble tower and formed of a hollow tube, wherein a space is provided on the entire side peripheral surface thereof.
Inventors:
TANAKA HISAO (JP)
HIDAKA HIROMICHI (JP)
AZAKAMI NORIYUKI (JP)
TAKAHASHI YUICHI (JP)
FUKUDA HIDEKI (JP)
HIDAKA HIROMICHI (JP)
AZAKAMI NORIYUKI (JP)
TAKAHASHI YUICHI (JP)
FUKUDA HIDEKI (JP)
Application Number:
PCT/JP2002/008784
Publication Date:
March 20, 2003
Filing Date:
August 30, 2002
Export Citation:
Assignee:
KYOWA HAKKO KOGYO KK (JP)
TANAKA HISAO (JP)
HIDAKA HIROMICHI (JP)
AZAKAMI NORIYUKI (JP)
TAKAHASHI YUICHI (JP)
FUKUDA HIDEKI (JP)
TANAKA HISAO (JP)
HIDAKA HIROMICHI (JP)
AZAKAMI NORIYUKI (JP)
TAKAHASHI YUICHI (JP)
FUKUDA HIDEKI (JP)
International Classes:
F28D7/02; F28D7/08; (IPC1-7): F28D1/047
Foreign References:
| JPH0242971A | 1990-02-13 | |||
| JP2000153144A | 2000-06-06 | |||
| JPH0242970A | 1990-02-13 |
Attorney, Agent or Firm:
Nakai, Hiroyuki (2-1 Sakaemachi 2-chom, Takarazuka-shi Hyogo, JP)
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