Rotation Prevention Member For Pipe Joint And Pipe Joint Unit

Abstract: The present invention provides a rotation prevention member for a pipe joint, the rotation prevention member being small-sized and easily attachable to and detachable from the joint, and provides a pipe joint unit. A rotation prevention member 10 includes: a first fitting part 11 formed to be able to fit with an adapter 20; a second fitting part 12 that is connected to the first fitting part 11 and fits with a body 30; and a restriction part that is provided in the second fitting part 12 and restricts relative movement between the body 30 and the second fitting part 12 in an axial direction of the body 30. The restriction part is a projection part 13 that is hung on another joint, and the second fitting part 12 has a through-hole 12c located apart from the projection part 13 in a radial direction of the body 30.

Patent Information

Application #

Filing Date

27 October 2025

Publication Number

48/2025

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Applicants

NITTA CORPORATION

4-26, Sakuragawa 4-chome, Naniwa-ku, Osaka-shi, Osaka 5560022

Inventors

1. TANAKA Ayame

c/o Nabari Plant, NITTA CORPORATION, 1300-45 Yabata, Nabari-shi, Mie 5180494

2. MATSUMOTO Masafumi

c/o Nabari Plant, NITTA CORPORATION, 1300-45 Yabata, Nabari-shi, Mie 5180494

Specification

Documents

Application Documents

#	Name	Date
1	202547103419-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [27-10-2025(online)].pdf	2025-10-27
2	202547103419-STATEMENT OF UNDERTAKING (FORM 3) [27-10-2025(online)].pdf	2025-10-27
3	202547103419-REQUEST FOR EXAMINATION (FORM-18) [27-10-2025(online)].pdf	2025-10-27
4	202547103419-PROOF OF RIGHT [27-10-2025(online)].pdf	2025-10-27
5	202547103419-PRIORITY DOCUMENTS [27-10-2025(online)].pdf	2025-10-27
6	202547103419-POWER OF AUTHORITY [27-10-2025(online)].pdf	2025-10-27
7	202547103419-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [27-10-2025(online)].pdf	2025-10-27
8	202547103419-FORM 18 [27-10-2025(online)].pdf	2025-10-27
9	202547103419-FORM 1 [27-10-2025(online)].pdf	2025-10-27
10	202547103419-DRAWINGS [27-10-2025(online)].pdf	2025-10-27
11	202547103419-DECLARATION OF INVENTORSHIP (FORM 5) [27-10-2025(online)].pdf	2025-10-27
12	202547103419-COMPLETE SPECIFICATION [27-10-2025(online)].pdf	2025-10-27