Title:
ROAD SURFACE CUTTING METHOD AND ROAD SURFACE CUTTING DEVICE
Document Type and Number:
Japanese Patent JP2021181691
Kind Code:
A
Abstract:
To provide a road surface cutting method and a road surface cutting device allowing further quicker and easier exchange construction of the lid and the receiving frame of a manhole.SOLUTION: A road surface cutting method has a preparation step of preparing a circular first blade 14 and a circular second blade 16 having a diameter larger than the diameter of the first blade 14, and a cutting step of cutting the road surface by revolving the rotating first blade 14 at a first distance from the center of a manhole 100, and cutting the road surface by revolving the rotating second blade 16 at a second distance larger than the first distance from the center.SELECTED DRAWING: Figure 2
Inventors:
KODAMA TOSHIJI
KOJIMA SATOSHI
KOJIMA SATOSHI
Application Number:
JP2020087044A
Publication Date:
November 25, 2021
Filing Date:
May 18, 2020
Export Citation:
Assignee:
SHIGA SANGYO KK
International Classes:
E02D29/12
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito