Title:
目地材除去装置
Document Type and Number:
Japanese Patent JP7176880
Kind Code:
B2
Abstract:
To provide a masonry joint material removal device that can prevent an increase in width dimension value of a masonry joint gap during each replacement of the masonry joint material as much as possible and can simplify a masonry joint material removal process, and accordingly can remove a masonry joint material in a period of time as short as possible.SOLUTION: There is provided a masonry joint material removal device 1 that removes a masonry joint material 7 installed in a slender clearance 5 between one concrete pavement slab 3A and the other concrete pavement slab 3B. A masonry joint material removal blade 23 is installed in the masonry joint material removal device 1, the masonry joint material removal device 1 comprises a masonry joint material removal blade installation part 11 making the masonry joint material removal blade rotate while biting into the masonry joint material 7 to remove the masonry joint material 7. The masonry joint material removal blade installation part 11 is constituted so that extension directions of rotary central shafts C1 and C2 of the installed masonry joint material removal blade 23 can be freely changed.SELECTED DRAWING: Figure 1
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Inventors:
Go Ueda
Shinya Okada
Shinya Okada
Application Number:
JP2018145576A
Publication Date:
November 22, 2022
Filing Date:
August 02, 2018
Export Citation:
Assignee:
Nippon Road Co., Ltd.
International Classes:
E01C23/09
Domestic Patent References:
| JP8311814A | ||||
| JP7003719A | ||||
| JP6020508U | ||||
| JP50045926U | ||||
| JP3077644U | ||||
| JP2012031683A | ||||
| JP2000290920A | ||||
| JP11336018A | ||||
| JP2003293600A | ||||
| JP1093207U |
Foreign References:
| KR101080868B1 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu