JPS5888084U - Threaded joints for inner lining pipes - Google Patents

Threaded joints for inner lining pipes

Info

Publication number
JPS5888084U
JPS5888084U JP18391881U JP18391881U JPS5888084U JP S5888084 U JPS5888084 U JP S5888084U JP 18391881 U JP18391881 U JP 18391881U JP 18391881 U JP18391881 U JP 18391881U JP S5888084 U JPS5888084 U JP S5888084U
Authority
JP
Japan
Prior art keywords
threaded
inner lining
lining pipes
pipe
threaded joints
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP18391881U
Other languages
Japanese (ja)
Inventor
大塚　健純
Original Assignee
住友金属工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友金属工業株式会社 filed Critical 住友金属工業株式会社
Priority to JP18391881U priority Critical patent/JPS5888084U/en
Publication of JPS5888084U publication Critical patent/JPS5888084U/en
Pending legal-status Critical Current

Links

Landscapes

  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のねじ継手の説明図で縦断側面図、第２図
〜第５図は本考案のねじ継手の構造および機能を例示す
る縦断側面図である。 図中、Ａ、　Ｂ：内面ライニング管、１：カップリング
、２．　２’　　：ねじ部、３：防錆リング、４：管端
面、５：フランジ部、６：スリーブ部、７：小径部。FIG. 1 is an explanatory diagram of a conventional threaded joint, and is a vertical sectional side view, and FIGS. 2 to 5 are longitudinal sectional side views illustrating the structure and function of the threaded joint of the present invention. In the figure, A, B: inner lining pipe, 1: coupling, 2. 2': Threaded part, 3: Rust prevention ring, 4: Pipe end face, 5: Flange part, 6: Sleeve part, 7: Small diameter part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 両端部内周にねじ部２が備わるカップリング１内に両端
より内面ライニング管Ａ、　　Ｂを螺挿し、管Ａ、　Ｂ
の端面４を、管端より挿着されるスリーブ付の防錆リン
グ３にて保護することを前提としたねじ継手において、
前記カップリング１内周の両端ねじ部２，２間に、内径
が当該ねじ部２の最小内径より小さく、最小で使用しよ
うとする防錆リング３のスリーブ部６の内径と同一の小
径部７を設け、前記ねじ部２から当該小径部７までの長
さが前記スリーブ部６の長さを越えないようにしたこと
を特徴とする内面ライニング管のねじ継手。The inner lining pipes A and B are screwed from both ends into the coupling 1, which has threaded parts 2 on the inner periphery of both ends.
In a threaded joint that is intended to protect the end face 4 of the pipe with a rust-proof ring 3 with a sleeve inserted from the pipe end,
Between the threaded portions 2 and 2 at both ends of the inner periphery of the coupling 1, there is a small diameter portion 7 whose inner diameter is smaller than the minimum inner diameter of the threaded portion 2 and which is at least the same as the inner diameter of the sleeve portion 6 of the rust prevention ring 3 to be used. A threaded joint for an internally lined pipe, characterized in that the length from the threaded portion 2 to the small diameter portion 7 does not exceed the length of the sleeve portion 6.
JP18391881U 1981-12-09 1981-12-09 Threaded joints for inner lining pipes Pending JPS5888084U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18391881U JPS5888084U (en) 1981-12-09 1981-12-09 Threaded joints for inner lining pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18391881U JPS5888084U (en) 1981-12-09 1981-12-09 Threaded joints for inner lining pipes

Publications (1)

Publication Number Publication Date
JPS5888084U true JPS5888084U (en) 1983-06-15

Family

ID=29983606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18391881U Pending JPS5888084U (en) 1981-12-09 1981-12-09 Threaded joints for inner lining pipes

Country Status (1)

Country Link
JP (1) JPS5888084U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60189689U (en) * 1984-05-25 1985-12-16 積水化学工業株式会社 pipe fittings

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647985B2 (en) * 1978-04-06 1981-11-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647985B2 (en) * 1978-04-06 1981-11-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60189689U (en) * 1984-05-25 1985-12-16 積水化学工業株式会社 pipe fittings

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