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Patent Searching and Data


Title:
PUMPING DEVICE
Document Type and Number:
Japanese Patent JP2000055000
Kind Code:
A
Abstract:

To provide a pumping device that can pump underwater at any depth for improving soil.

This pumping device includes a first chamber 38 allowing inflow of water, a second chamber 40 into which compressed air is introduced, and a third chamber 42. The third chamber is connected to the first chamber 38 and the second chamber 40 so as to allow flow of the compressed air from the second chamber to the third chamber and water suction from the first chamber following this flow.


Inventors:
HAMADA NAOHITO
WATANABE NORIO
KOBAYASHI SATOSHI
YAMAZAKI TOSHIO
YOSHIDA MITSUHIRO
Application Number:
JP22270798A
Publication Date:
February 22, 2000
Filing Date:
August 06, 1998
Export Citation:
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Assignee:
KUMAGAI GUMI CO LTD
KUMAGAI TECHNOS KK
YBM CO LTD
International Classes:
F04F1/18; (IPC1-7): F04F1/18
Attorney, Agent or Firm:
Matsunaga Nobuyuki