JPS59191491U - pipe fittings - Google Patents

pipe fittings

Info

Publication number
JPS59191491U
JPS59191491U JP8635783U JP8635783U JPS59191491U JP S59191491 U JPS59191491 U JP S59191491U JP 8635783 U JP8635783 U JP 8635783U JP 8635783 U JP8635783 U JP 8635783U JP S59191491 U JPS59191491 U JP S59191491U
Authority
JP
Japan
Prior art keywords
pipe
shape
shape memory
memory alloy
joint
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
JP8635783U
Other languages
Japanese (ja)
Inventor
大沢　泰晴
佳邦 内田
Original Assignee
日本鋼管株式会社
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 日本鋼管株式会社 filed Critical 日本鋼管株式会社
Priority to JP8635783U priority Critical patent/JPS59191491U/en
Publication of JPS59191491U publication Critical patent/JPS59191491U/en
Pending legal-status Critical Current

Links

Landscapes

  • Joints That Cut Off Fluids, And Hose 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) [Summary] 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図は本考案の一実施例を示す縦断面図であり、第２
図は本考案の別の実施例を示す縦断面図である。 １．２・・・接合すべき管の管端部、３・・・通常金属
の継手スリーブ、４．４′・・・形状記憶合金、５・・
・弾性バッキング。FIG. 1 is a vertical sectional view showing one embodiment of the present invention, and the second
The figure is a longitudinal sectional view showing another embodiment of the present invention. 1.2... Pipe end of the pipe to be joined, 3... Normal metal joint sleeve, 4.4'... Shape memory alloy, 5...
・Elastic backing.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）管端部の波形形状のピッチより小さいピッチの形
状記憶効果を予め与えた外形が波形の形状記憶合金を継
手部へ装着又は巻付けた後、前記形状記憶合金を記憶形
状に復元する管継手。(1) After attaching or wrapping a shape memory alloy with a corrugated outer shape that has been given a shape memory effect with a smaller pitch than the pitch of the wave shape at the pipe end around the joint, the shape memory alloy is restored to its memorized shape. pipe fittings. （２）上記管端部のネジ波形とルーズに螺合する酸ネジ
波形を内面に有する継手スリーブを、上記外形が波形の
形状記憶合金を装着した継手に螺合する実用新案登録請
求の範囲第１項記載の管継手。(2) Utility model registration claim No. 1 in which a joint sleeve having an acid thread corrugation on the inner surface that loosely engages with the thread corrugation of the pipe end is screwed into a joint equipped with a shape memory alloy having a corrugated outer shape. Pipe fitting described in Section 1. （３）上記管端部がスパイラルコルゲート管であり、こ
の管の継手に巻付ける上記の外形が波形の形状記憶合金
との間に弾性バッキングを介在させる実用新案登録請求
の範囲第１項記載の管継手。(3) The utility model registration claim 1, wherein the pipe end is a spiral corrugated pipe, and an elastic backing is interposed between the shape memory alloy having a corrugated outer shape and wound around the joint of the pipe. pipe fittings.
JP8635783U 1983-06-08 1983-06-08 pipe fittings Pending JPS59191491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8635783U JPS59191491U (en) 1983-06-08 1983-06-08 pipe fittings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8635783U JPS59191491U (en) 1983-06-08 1983-06-08 pipe fittings

Publications (1)

Publication Number Publication Date
JPS59191491U true JPS59191491U (en) 1984-12-19

Family

ID=30216293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8635783U Pending JPS59191491U (en) 1983-06-08 1983-06-08 pipe fittings

Country Status (1)

Country Link
JP (1) JPS59191491U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6217490A (en) * 1985-07-15 1987-01-26 大阪瓦斯株式会社 Connecting structure of flexible gas pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6217490A (en) * 1985-07-15 1987-01-26 大阪瓦斯株式会社 Connecting structure of flexible gas pipe

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