Title:
ENVIRONMENTAL PROTECTION TECHNIQUE AND STRUCTURE OF INTERRUPTION WALL FOR ENVIRONMENTAL PROTECTION
Document Type and Number:
Japanese Patent JP3160016
Kind Code:
B2
Abstract:
PURPOSE: To always maintain the contaminant trapping properties and to eliminate the need for reconstruction of the whole interruption wall by replacing the contaminant trapping material at a point of time when the contaminant trapping capacity is deteriorated or deactivated.
CONSTITUTION: In the case of constructing an interruption wall for inhibiting transfer of contaminant to the periphery from a region which has been polluted or has the possibilities of pollution in the circumference of this region, the interruption wall is equipped with a part 20 for interrupting liquid and a part 30 having the trapping material 30A for adsorbing and holding contaminant. This trapping material 30A is drawn out from the interruption part 20 and replaced at a point of time when the trapping capacity is deteriorated or deactivated.
Inventors:
Hiroshi Iwasa
Application Number:
JP20292191A
Publication Date:
April 23, 2001
Filing Date:
August 13, 1991
Export Citation:
Assignee:
Right Industry Co., Ltd.
International Classes:
E02D5/00; B09B1/00; (IPC1-7): B09B1/00
Domestic Patent References:
| JP611722A | ||||
| JP2164936A |
Attorney, Agent or Firm:
Yoshihisa Nagai