Title:
流路継手構造
Document Type and Number:
Japanese Patent JP7308727
Kind Code:
B2
Abstract:
The present invention relates to a flow path joint structure (1) which comprises: a first male screw unit (11) placed on a first pipe block (51); a second male screw unit (12) placed on a second pipe block (52); a union nut (13) having a first female screw unit (13a) fastened with the first male screw unit (11) by a screw by being formed on one side in an axial direction, and having a second female screw unit (13b) fastened with the second male screw unit (12) by a screw by being formed on the other side in the axial direction; and a gasket (14) sealing the connection parts of flow path holes (510, 520) from the inner side in a diameter direction of the union nut (13). The first male screw unit (11) and the first female screw unit (13a) are right screws, and the second male screw unit (12) and the second female screw unit (13b) are left screws. The flow path joint structure (1) includes first sign units (61, 62) placed on the first pipe block and the second pipe block (51, 52) to show the tightening directions of the first male screw unit and the second male screw unit (11, 12). The present invention aims to provide a flow path joint structure which is able to save space and prevent the screw threads from being damaged.
Inventors:
Kiyotaka Omae
Masashi Toya
Masashi Toya
Application Number:
JP2019207953A
Publication Date:
July 14, 2023
Filing Date:
November 18, 2019
Export Citation:
Assignee:
Nippon Pillar Industry Co., Ltd.
International Classes:
F16L19/02
Domestic Patent References:
| JP11108277A | ||||
| JP2015068500A | ||||
| JP60077879U | ||||
| JP62024091A | ||||
| JP2011141031A | ||||
| JP2000205229A | ||||
| JP60045915U |
Foreign References:
| US6070912 | ||||
| US6578876 | ||||
| US4150845 |
Attorney, Agent or Firm:
Patent Attorney Corporation Suncrest International Patent Office