Title:
水密試験装置
Document Type and Number:
Japanese Patent JP7269767
Kind Code:
B2
Abstract:
This watertight testing device 21 has: a cylindrical core 22 internally fitted to a pipe joint part 1; a first seal member 23 that seals the space between the outer circumference of the core 22 and the inner circumference of one pipe 2; a second seal member 24 that seals a space between the outer circumference of the core 22 and the inner circumference of the other pipe 4; a first pressing member 25 that presses and compresses the first seal member 23 into a first seal member insertion space 46; a second pressing member 26 that presses and compresses the second seal member 24 into a second seal member insertion space 47; a moving device 27 that moves the first and second pressing members 25, 26 in the pipe axial direction A; and a testing fluid supply device 28 that supplies a testing fluid into a testing space 71.
Inventors:
Shozo Kishi
Komaru Ito
Koji Kamachi
Masataka Shimomura
Komaru Ito
Koji Kamachi
Masataka Shimomura
Application Number:
JP2019055792A
Publication Date:
May 09, 2023
Filing Date:
March 25, 2019
Export Citation:
Assignee:
Kubota Corporation
International Classes:
G01M3/28; F16J15/10
Domestic Patent References:
| JP8062088A | ||||
| JP8062089A | ||||
| JP6221952A | ||||
| JP2017007520A |
Attorney, Agent or Firm:
Morimoto International Patent Office