管体内の流動物除去方法および流動物除去装置

Title:

管体内の流動物除去方法および流動物除去装置

Document Type and Number:

Japanese Patent JP6853653

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To remove fluid completely during the removal work of fluid such as water and mud in a tube body.SOLUTION: In a method for removing fluid in a tube body, a fluid removal unit 10 is constituted by attaching a tube body closing member 12 which has an expansion member 12b arranged on a face facing to an inner face of a tube body P to a case 11, and fluid is discharged outside the tube body by: inserting the fluid removal unit 10 from a tube end portion and moving the fluid removal unit 10 toward the depth side in the tube axial direction; making the expansion member 12b in contact with the inner face of the tube body P by expanding the expansion member 12b; and moving the fluid removal unit 10 to the tube end portion in a state where the expansion member 12b is in contact with the inner face of the tube body P.SELECTED DRAWING: Figure 3

Inventors:

Seio Kitamura
Hiroaki Tauchi
Katsuhiko Ono

Application Number:

JP2016219345A

Publication Date:

March 31, 2021

Filing Date:

November 10, 2016

Export Citation:

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