Artificial water plant system for controlling sediment transport on a water bed

[54] ARTIFICIAL WATER PLANT SYSTEM FOR CONTROLLING SEDIMENT TRANSPORT ON A WATER BED

[75] Inventors: Hironobu Furusawa, Osaka; Kazuki Oda, Sakai, both of Japan

[73] Assignee: Toyo Boseki Kabushiki Kaisha,

Osaka, Japan

[21] Appl. No.: 500,328

[22] Filed: Jul. 10, 1995

[30] Foreign Application Priority Data

Jul. 11, 1994 [JP] Japan 6-158811

[51] Int. CI.6 E02B 3/00

[52] U.S. CI 405/24; 405/28

[58] Field of Search 405/21, 24, 25,

405/28

[56] References Cited

U.S. PATENT DOCUMENTS

4,439,059 3/1984 Kikuzawa et al 405/25

4,478,533 10/1984 Garrett 405/24

5,454,665 10/1995 Hughes, Sr. 405/24

FOREIGN PATENT DOCUMENTS

8231725.9 2/1983 Germany .

6400166 7/1964 Netherlands .

7016749 5/1971 Netherlands .

7005621 7/1971 Netherlands .

7109980 1/1972 Netherlands .

1303073 1/1973 United Kingdom.

1323070 7/1973 United Kingdom.

1355979 6/1974 United Kingdom .

2127469 4/1984 United Kingdom .

Primary Examiner—George A. Suchfield
Attorney, Agent, or Firm—Foley & Lardner

[57] ABSTRACT

An artificial water plant system for trapping bottom sediments in water to protect sand beach against erosion in which the water plant comprises a rod-shaped or tubular molding product having a circular or non-circular cross sectional shape and comprising a thermoplastic elastomer alone having a flexural modulus of 500 to 5,000 kg/cm2 or a composite body comprising a sheath portion constituted with the thermoplastic elastomer and a core portion constituted with synthetic fiber bundles.

7 Claims, 4 Drawing Sheets