Title:
SUBIRRIGATION SYSTEM AND WATER-SUPPLY PIPE USED THEREFOR
Document Type and Number:
Japanese Patent JP2012254028
Kind Code:
A
Abstract:
To suitably apply a subirrigation system even to a slope ground without using a special water-delivery facility such as a pump.
The subirrigation system 10 includes a water-supply pipe 12 buried in a cultivated land (100), and supplies water to the soil through the water-supply pipe 12. A plurality of grooves 20 axially aligned at intervals are formed on the inner surface side of the water-supply pipe 12, and each groove 20 includes a plurality of holes 26 disposed circumferentially at predetermined intervals. In irrigation, the water supplied from a water source (16) into the water-supply pipe 12 is divided to each groove 20 and gradually supplied to the soil through each hole 26.
Inventors:
HIRAO KAZUHIRO
YAMAGUCHI HIDEMI
BAI HIDEKI
YAMAGUCHI HIDEMI
BAI HIDEKI
Application Number:
JP2011127822A
Publication Date:
December 27, 2012
Filing Date:
June 08, 2011
Export Citation:
Assignee:
KUBOTA-CI CO
International Classes:
A01G25/02
Domestic Patent References:
JPS499148Y1 | 1974-03-04 | |||
JPH07170866A | 1995-07-11 | |||
JPS4837717Y1 | 1973-11-09 | |||
JPS5386343A | 1978-07-29 | |||
JPH0532A | 1993-01-08 | |||
JPS492926Y1 | 1974-01-24 | |||
JPS6336715A | 1988-02-17 | |||
JPS499148Y1 | 1974-03-04 | |||
JPH07170866A | 1995-07-11 | |||
JPS4837717Y1 | 1973-11-09 | |||
JPS5386343A | 1978-07-29 |
Foreign References:
US5752784A | 1998-05-19 | |||
US20080017729A1 | 2008-01-24 | |||
US5752784A | 1998-05-19 | |||
US20080017729A1 | 2008-01-24 |
Attorney, Agent or Firm:
Yoshito Yamada