Title:
TUBULAR BODY AND TANK WITH TUBE
Document Type and Number:
Japanese Patent JP2021165562
Kind Code:
A
Abstract:
To provide a tubular body having a structure that can inhibit elution of pigments and additive agents from a liquid contact part, and to provide a tank with the tubular body.SOLUTION: A tubular body 1 includes: an inner tube part 2; an outer cover part 3, and a weld surface 4. The inner tube part 2 is formed into a cylindrical shape. The outer cover part 3 covers at least a part of an outer surface 21 of the inner tube part 2. The weld surface 4 is welded to a tank 5. The weld surface 4 has a border part 6 between the inner tube part 2 and the outer cover part 3. In a state that the border part 6 is located outside the tank 5, the weld surface 4 is welded to the tank 5. The structure makes a liquid stored in the tank 5 less likely to penetrate through the border part 6.SELECTED DRAWING: Figure 1
Inventors:
SAKAKI HIROYUKI
Application Number:
JP2020068192A
Publication Date:
October 14, 2021
Filing Date:
April 06, 2020
Export Citation:
Assignee:
SUIKO KK
International Classes:
F16L9/133; B65D88/06; B65D90/00; B65D90/22; F16L41/02; F16L47/02
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office