Title:
マンホール蓋、下水道環境監視システム、及び管渠内の状態報知方法
Document Type and Number:
Japanese Patent JP6906368
Kind Code:
B2
Abstract:
To provide a manhole cover allowing a pedestrian to grasp the state of a sewerage sewer.SOLUTION: A manhole cover has a cover body, a measurement sensor and a light emission part. The cover body closes a manhole communicated with a sewer. The measurement sensor measures a state of the sewer inside. The light emission part is installed on a front side of the cover body, and illuminates on the basis of the measured state.SELECTED DRAWING: Figure 4
Inventors:
Takanori Ishii
Yukio Hiraoka
Yukio Hiraoka
Application Number:
JP2017104512A
Publication Date:
July 21, 2021
Filing Date:
May 26, 2017
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Infrastructure Systems & Solutions Corporation
Toshiba Infrastructure Systems & Solutions Corporation
International Classes:
E03F1/00; E02D29/14; E03F5/10; E03F7/00
Domestic Patent References:
| JP2015010403A | ||||
| JP4134554U | ||||
| JP7041455U | ||||
| JP2010242361A |
Foreign References:
| WO2016079870A1 | ||||
| US20060181425 |
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Ukai Ken
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Ukai Ken