Title:
コンクリート充填検知センサ、コンクリートの充填検知方法
Document Type and Number:
Japanese Patent JP7288809
Kind Code:
B2
Abstract:
To provide a filling detection sensor for concrete that is installed at low costs, and less burdens a worker in measurement.SOLUTION: A concrete filling detection sensor according to the present invention includes a light receiving element which outputs an electric signal and/or outputs an electric signal corresponding to illuminance of received light on receiving the light having predetermined illuminance or larger.SELECTED DRAWING: Figure 1
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| JP3634497 | CONCRETE SPRAYING METHOD AND DEVICE |
Inventors:
Yukitoshi Isaka
Rei Eriguchi
Rei Eriguchi
Application Number:
JP2019107332A
Publication Date:
June 08, 2023
Filing Date:
June 07, 2019
Export Citation:
Assignee:
Taiheiyo Cement Co., Ltd.
International Classes:
E04G21/02; G01V8/20
Domestic Patent References:
| JP6240868A | ||||
| JP2006299604A | ||||
| JP2006309410A | ||||
| JP8135191A | ||||
| JP6050917A | ||||
| JP6123176A | ||||
| JP2008491A | ||||
| JP2011237232A | ||||
| JP2011058198A |
Foreign References:
| WO2017179211A1 | ||||
| US20180119929 | ||||
| CN203432915U |
Attorney, Agent or Firm:
Patent Attorney Corporation Junias International Patent Office