JPS63152996U - - Google Patents
Info
- Publication number
- JPS63152996U JPS63152996U JP4645887U JP4645887U JPS63152996U JP S63152996 U JPS63152996 U JP S63152996U JP 4645887 U JP4645887 U JP 4645887U JP 4645887 U JP4645887 U JP 4645887U JP S63152996 U JPS63152996 U JP S63152996U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- pipe
- pipe joint
- shape memory
- memory alloy
- 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
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 2
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Joints With Pressure Members (AREA)
Description
第１図はこの考案による管継手の一実施例を示
す部分縦断側面図、第２図は第１図実施例におい
て使用するスリーブの縦断面図、第３図は第１図
実施例の管継手の高温での使用状態を示す要部縦
断面図である。
１０：継手本体、１１：インサート部、１２，
２２，３１，３２：テーパ部、１４：外筒部、２
０：締め付けナツト、３０：スリーブ、３６：掛
止リング。
Fig. 1 is a partial longitudinal sectional side view showing an embodiment of a pipe joint according to this invention, Fig. 2 is a longitudinal sectional view of a sleeve used in the embodiment of Fig. 1, and Fig. 3 is a pipe fitting of the embodiment of Fig. 1. FIG. 2 is a vertical cross-sectional view of a main part showing a state of use at a high temperature. 10: Joint body, 11: Insert part, 12,
22, 31, 32: Tapered part, 14: Outer cylinder part, 2
0: tightening nut, 30: sleeve, 36: locking ring.
Claims (1)
を継手本体と締め付けナツトの螺合により縮径せ
しめ、管体の内側に嵌合するインサート部との間
で挾持して管体を結合する管継手において、前記
スリーブは内周面に形成された環状溝に所定温度
以上に加熱されると縮径するように記憶せしめた
形状記憶合金からなる掛止リングが嵌入されてい
る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項に記載の管
継手において、掛止リングは二方向性形状記憶合
金からなることを特徴とする管継手。[Claims for Utility Model Registration] (1) A sleeve fitted over the end of the pipe body to be connected is reduced in diameter by threading the fitting body and a tightening nut, and the sleeve is connected to the insert part that fits inside the pipe body. In a pipe joint that connects pipe bodies by clamping them between the sleeves, the sleeve is a latch made of a shape memory alloy whose diameter is stored in an annular groove formed on the inner peripheral surface to contract when heated to a predetermined temperature or higher. A pipe joint characterized by having a ring inserted into it. (2) The pipe joint according to claim 1, wherein the retaining ring is made of a bidirectional shape memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4645887U JPS63152996U (en) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4645887U JPS63152996U (en) | 1987-03-27 | 1987-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63152996U true JPS63152996U (en) | 1988-10-06 |
Family
ID=30866139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4645887U Pending JPS63152996U (en) | 1987-03-27 | 1987-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63152996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013511010A (en) * | 2009-11-16 | 2013-03-28 | スリーエム イノベイティブ プロパティズ カンパニー | Joining pipe joints |
-
1987
- 1987-03-27 JP JP4645887U patent/JPS63152996U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013511010A (en) * | 2009-11-16 | 2013-03-28 | スリーエム イノベイティブ プロパティズ カンパニー | Joining pipe joints |