Title:
コンクリート敷均し装置及びコンクリート舗装体の製造方法
Document Type and Number:
Japanese Patent JP7402763
Kind Code:
B2
Abstract:
To provide a concrete leveling apparatus that can finish a surface smoothly and a concrete paved body manufacturing method used with the same.SOLUTION: A concrete leveling apparatus 100 comprises: a movable carriage 1; a first screed 10 that is fixed at the carriage 1 so as to be able to adjust its height, and vibrates by a high-frequency vibrator 15; and a second screed 20 that is fixed at the carriage 1 so as to be able to adjust its height, and vibrates by a low-frequency vibrator 25 with lower vibration frequency than the high-frequency vibrator 15. The first screed 10 is placed ahead of a travel direction D1 of the carriage 1 as compared to the second screed 20.SELECTED DRAWING: Figure 1
Inventors:
Sosuke Koshimura
▲高▼山 拓也
Tomonori Fujisawa
Mitsuki Ito
Osamu Hashimoto
Takahiko Watanabe
▲高▼山 拓也
Tomonori Fujisawa
Mitsuki Ito
Osamu Hashimoto
Takahiko Watanabe
Application Number:
JP2020123276A
Publication Date:
December 21, 2023
Filing Date:
July 17, 2020
Export Citation:
Assignee:
Taisei Rotec Co., Ltd.
Taisei Corporation
Taisei Corporation
International Classes:
E01C19/48; E01C7/14
Domestic Patent References:
| JP3028816U | ||||
| JP5038007U | ||||
| JP2009035900A | ||||
| JP2019120080A | ||||
| JP2015129393A |
Foreign References:
| US20120051839 |
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office