Title:
DRAINAGE SIDE DITCH WITH SLOPE FOR RELIEF OF SMALL ANIMAL
Document Type and Number:
Japanese Patent JP3026177
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To relieve small animals, by providing upslopes having such a shape as a rugby ball is longitudinally divided into four portions at the right and left sides of the inside of a drainage side ditch alternately.
SOLUTION: Side walls 4 are erected at the right and left sides of the bottom face 1 of a side ditch drainage to form a U-shaped side ditch. And slopes having such a shape as a rugby ball is longitudinally divided into four portions and also having the upper and lower slopes 3, 2, are formed. And further, the slopes are alternately and continuously formed at both right and left sides of the bottom face 1 of the side ditch. In this way, a habitat of small animals is not disconnected and they can escape even when they have dropped in the drainage side ditch and hence, this side ditch can relief small animals.
Inventors:
Shigehito Mizutani
Application Number:
JP18888297A
Publication Date:
March 27, 2000
Filing Date:
June 09, 1997
Export Citation:
Assignee:
Shigehito Mizutani
International Classes:
E03F5/04; (IPC1-7): E03F5/04
Domestic Patent References:
| JP530287U |
Other References:
【文献】登録実用新案3032306(JP,U)