Title:
INSIDE HOLE CLEANING DEVICE AND INSIDE HOLE CLEANING METHOD
Document Type and Number:
Japanese Patent JP2023158708
Kind Code:
A
Abstract:
To provide an inside hole cleaning device which can clean the inside of a hole efficiently and surely.SOLUTION: An inside hole cleaning device 1A for cleaning in a bottomed hole 3 includes: a cylindrical suction part 10A which can be inserted in the hole 3; and a suction hose 20 communicating with the inside of the suction part 10A. At a base end part of the suction part 10A, a tip part of the suction hose 20 is connected. The suction hose 20 can be connected to the suction device. The maximum internal diameter of the suction part 10A is larger than the internal diameter of a tip part of the suction hose 20.SELECTED DRAWING: Figure 3
Inventors:
OKAMOTO SUSUMU
KAWAMURA KEISUKE
NAKAFUJI MASAHIRO
OKUDERA KIYOSHI
KAWAMURA KEISUKE
NAKAFUJI MASAHIRO
OKUDERA KIYOSHI
Application Number:
JP2022068647A
Publication Date:
October 31, 2023
Filing Date:
April 19, 2022
Export Citation:
Assignee:
TAISEI CORP
SEIWA RENEWAL WORKS CO LTD
SEIWA RENEWAL WORKS CO LTD
International Classes:
E04G23/02
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office