Title:
流路継手構造
Document Type and Number:
Japanese Patent JP7175701
Kind Code:
B2
Abstract:
To enable a passage joint structure to be installed with its space reduced.SOLUTION: A passage joint structure 1 connects passage holes 510, 520 respectively formed at first and second pipeline blocks 51, 52 with each other and includes: a first male screw part 11 formed on the radial outer side of the passage hole 510 at an end part of the first pipeline block 51; a second male screw part 12 formed on the radial outer side of the passage hole 520 at an end part of the second pipeline block 52; a union nut 13 having a first female screw part 13a which is threadedly engaged with the first male screw part 11 at one axial side and having a second female screw part 13b which is threadedly engaged with the second male screw part 12 at the other axial side; and a gasket 14 which seals a connection portion between the passage holes 510, 520 at the radial inner side of the union nut 13. The first male screw part 11 and the first female screw part 13a are right-hand screws, and the second male screw part 12 and the second female screw part 13b are left-hand screws.SELECTED DRAWING: Figure 2
Inventors:
Kiyotaka Omae
Masashi Toya
Masashi Toya
Application Number:
JP2018193580A
Publication Date:
November 21, 2022
Filing Date:
October 12, 2018
Export Citation:
Assignee:
Nippon Pillar Industry Co., Ltd.
International Classes:
F16L15/04; F16L19/00
Domestic Patent References:
| JP2004244062A | ||||
| JP59144088U | ||||
| JP2006308051A |
Foreign References:
| US6070912 | ||||
| US6578876 | ||||
| US20080073910 | ||||
| US20030122373 | ||||
| US20140035272 |
Attorney, Agent or Firm:
Patent Attorney Corporation Suncrest International Patent Office