Title:
DRAIN MATERIAL
Document Type and Number:
Japanese Patent JPH08260451
Kind Code:
A
Abstract:
PURPOSE: To provide a drain material, which can discharge water in a weak ground onto a ground surface in a short time and consolidate and reinforce the ground quickly and cost of which is reduced.
CONSTITUTION: A core material, in which a large number of approximately parallel projecting ribs 11 are formed integrally in the longitudinal direction on both surfaces of a plate-shaped substrate 7, is interposed between two mutually opposed nonwoven fabrics 1, 1', and a large number of water-conveyance paths 9 surrounded by each projecting rib 11, the nonwoven fabrics 1, 1' and the substrate 7 are formed. Notches 12 are formed to the surfaces and rears of the projecting ribs 11 shaped to both surfaces of the substrate 7.
Inventors:
KISHIMOTO TAKAYUKI
Application Number:
JP6065995A
Publication Date:
October 08, 1996
Filing Date:
March 20, 1995
Export Citation:
Assignee:
BANDO CHEMICAL IND
International Classes:
E02D3/10; (IPC1-7): E02D3/10
Attorney, Agent or Firm:
Yoshihiro Tsunoda