JPH0165485U - - Google Patents
Info
- Publication number
- JPH0165485U JPH0165485U JP1987046457U JP4645787U JPH0165485U JP H0165485 U JPH0165485 U JP H0165485U JP 1987046457 U JP1987046457 U JP 1987046457U JP 4645787 U JP4645787 U JP 4645787U JP H0165485 U JPH0165485 U JP H0165485U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- pipe
- shape memory
- memory alloy
- pipe 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.)
- Granted
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 3
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Joints With Pressure Members (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Description
第１図はこの考案による管継手の一実施例を示
す部分縦断面図、第２図は第１図実施例の管継手
において使用するスリーブの側面図、第３図は同
スリーブの掛止片が温度上昇により起立した状態
を示す部分縦断側面図である。
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、２３：段差部、３０：スリ
ーブ、３３：スリーブ本体、３４：大径部、３５
：掛止片。
Fig. 1 is a partial vertical sectional view showing an embodiment of the pipe joint according to this invention, Fig. 2 is a side view of a sleeve used in the pipe joint of the embodiment shown in Fig. 1, and Fig. 3 is a latching piece of the sleeve. FIG. 3 is a partial longitudinal sectional side view showing a state in which the structure is erected due to a rise in temperature. 10: Joint body, 11: Insert part, 12,
22, 31, 32: Tapered part, 14: Outer cylinder part, 2
0: Tightening nut, 23: Step part, 30: Sleeve, 33: Sleeve body, 34: Large diameter part, 35
:Latching piece.
補正 昭６３．１１．２８
図面の簡単な説明を次のように補正する。
明細書第１４頁第７行に、「を示す」とある次
に、「側面図、第４図は第３図に示すスリーブの
縦断面図、第５図は接続が完了した状態を示す」
を加入します。Amendment November 28, 1983 The brief description of the drawing is amended as follows. On page 14, line 7 of the specification, it says "shows", followed by "a side view, FIG. 4 is a longitudinal sectional view of the sleeve shown in FIG. 3, and FIG. 5 shows the state in which the connection is completed."
will join.
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
スリーブは所定温度以上に加熱されるとスリーブ
本体が縮径すると共に、該スリーブ本体の外周面
に一体に設けられた掛止片が起立して前記継手本
体または締め付けナツトと掛合するように記憶せ
しめた形状記憶合金からな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、形状記憶合金は二方向性形状記憶
合金であ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 fitted inside the pipe body. In a pipe joint that connects pipe bodies by clamping them between the sleeves, when the sleeve is heated to a predetermined temperature or higher, the diameter of the sleeve body contracts, and a locking piece integrally provided on the outer peripheral surface of the sleeve body stands up. A pipe joint characterized in that it is made of a shape memory alloy that is memorized to engage with the joint body or the tightening nut. (2) The pipe joint according to claim 1, wherein the shape memory alloy is a bidirectional shape memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4645787U JPH0313678Y2 (en) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4645787U JPH0313678Y2 (en) | 1987-03-27 | 1987-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0165485U true JPH0165485U (en) | 1989-04-26 |
| JPH0313678Y2 JPH0313678Y2 (en) | 1991-03-28 |
Family
ID=31272724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4645787U Expired JPH0313678Y2 (en) | 1987-03-27 | 1987-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0313678Y2 (en) |
-
1987
- 1987-03-27 JP JP4645787U patent/JPH0313678Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0313678Y2 (en) | 1991-03-28 |
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