JPS62172894U - - Google Patents
Info
- Publication number
- JPS62172894U JPS62172894U JP6157986U JP6157986U JPS62172894U JP S62172894 U JPS62172894 U JP S62172894U JP 6157986 U JP6157986 U JP 6157986U JP 6157986 U JP6157986 U JP 6157986U JP S62172894 U JPS62172894 U JP S62172894U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- pipe joint
- peripheral surface
- outer peripheral
- heating element
- 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
Links
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 3
- 229920003002 synthetic resin Polymers 0.000 claims 2
- 239000000057 synthetic resin Substances 0.000 claims 2
- 229920001169 thermoplastic Polymers 0.000 claims 2
- 239000004416 thermosoftening plastic Substances 0.000 claims 2
- 230000006386 memory function Effects 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Description
第１図は本発明の実施例を示す縦断面図で、左
半分は接続前の状態を、右半分は接続後の状態を
示す。第２図、第３図は同じく本考案の別の実施
例を示す図、第４図は従来の管継手を示す縦断面
図である。
１……接続管、５……筒状体、６……電熱線が
埋込まれてない部分、７……環状体、１０……電
熱線、１１……電源。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, with the left half showing the state before connection and the right half showing the state after connection. 2 and 3 are views showing another embodiment of the present invention, and FIG. 4 is a longitudinal sectional view showing a conventional pipe joint. 1... Connecting pipe, 5... Cylindrical body, 6... Portion in which heating wire is not embedded, 7... Annular body, 10... Heating wire, 11... Power source.
Claims (1)
に発熱体を内装して管挿入後発熱体の発熱作用に
より接合部を溶着して接続する管継手において、
前記熱可塑性合成樹脂製筒状体の外周面に前記接
続時の発熱体による加熱によつて縮径記憶機能を
保有する形状記憶合金製の環状体を装着したこと
を特徴とする管継手。 ２ 実用新案登録請求の範囲第１項記載において
、前記環状体は筒状体の外周面に複数個装着して
なる管継手。 ３ 実用新案登録請求の範囲第１項記載において
、前記環状体は筒状体の外周面に螺旋状に巻回し
て端部が環状に固定されたスプリングバネ形状か
らなる管継手。[Scope of Claim for Utility Model Registration] 1. In a pipe joint in which a heating element is installed inside the pipe socket of a cylindrical body made of thermoplastic synthetic resin, and the joint is welded and connected by the heating action of the heating element after the pipe is inserted. ,
A pipe joint characterized in that an annular body made of a shape memory alloy that has a diameter reduction memory function by being heated by the heating element during connection is attached to the outer peripheral surface of the cylindrical body made of thermoplastic synthetic resin. 2. The pipe joint according to claim 1, wherein a plurality of the annular bodies are attached to the outer peripheral surface of a cylindrical body. 3. Utility Model Registration Scope of Claim 1. The pipe joint according to claim 1, wherein the annular body is spirally wound around the outer peripheral surface of a cylindrical body and has an annularly fixed end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6157986U JPS62172894U (en) | 1986-04-23 | 1986-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6157986U JPS62172894U (en) | 1986-04-23 | 1986-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62172894U true JPS62172894U (en) | 1987-11-02 |
Family
ID=30895045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6157986U Pending JPS62172894U (en) | 1986-04-23 | 1986-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62172894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002295779A (en) * | 2001-03-29 | 2002-10-09 | Furukawa Electric Co Ltd:The | Electrofusion joint |
| JP2010230173A (en) * | 2010-07-20 | 2010-10-14 | Furukawa Electric Co Ltd:The | Electro-fusion joint |
-
1986
- 1986-04-23 JP JP6157986U patent/JPS62172894U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002295779A (en) * | 2001-03-29 | 2002-10-09 | Furukawa Electric Co Ltd:The | Electrofusion joint |
| JP2010230173A (en) * | 2010-07-20 | 2010-10-14 | Furukawa Electric Co Ltd:The | Electro-fusion joint |