JPH0419990U - - Google Patents
Info
- Publication number
- JPH0419990U JPH0419990U JP6232690U JP6232690U JPH0419990U JP H0419990 U JPH0419990 U JP H0419990U JP 6232690 U JP6232690 U JP 6232690U JP 6232690 U JP6232690 U JP 6232690U JP H0419990 U JPH0419990 U JP H0419990U
- Authority
- JP
- Japan
- Prior art keywords
- elbow
- tube
- memory alloy
- tees
- shape memory
- 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 description 7
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000012790 adhesive layer Substances 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Description
第１図は本考案による管継手の一実施例を示す
斜視図、第２図は同管継手の部分断面図、第３図
は本考案による管継手の他の実施例を示す部分断
面図、第４図は本考案による管継手の更に他の実
施例を示す部分断面図、第５図は本考案による管
継手の更に他の実施例を示す部分断面図、第６図
は従来の管継手の一例を示す部分断面図である。
図中、１１，２１，３１，４１は管継手、１２
はエルボ型の管、１３は形状記憶合金のリング、
１３ａは凹凸、１３ｂは接続部、１３ｃは締め付
け部、１４はばね部材、１５は接続されるべき管
、２２は接着剤層、４２はテイーズ型の管である
。
FIG. 1 is a perspective view showing one embodiment of the pipe joint according to the present invention, FIG. 2 is a partial sectional view of the same pipe joint, and FIG. 3 is a partial sectional view showing another embodiment of the pipe joint according to the present invention. FIG. 4 is a partial cross-sectional view showing still another embodiment of the pipe joint according to the present invention, FIG. 5 is a partial cross-sectional view showing still another embodiment of the pipe joint according to the present invention, and FIG. 6 is a conventional pipe joint. It is a partial sectional view showing an example. In the figure, 11, 21, 31, 41 are pipe fittings, 12
is an elbow-shaped tube, 13 is a shape memory alloy ring,
13a is an unevenness, 13b is a connecting portion, 13c is a tightening portion, 14 is a spring member, 15 is a tube to be connected, 22 is an adhesive layer, and 42 is a Tease type tube.
Claims (1)
形状記憶樹脂又は熱収縮性樹脂からなるエルボ又
はテイーズ型をなす管と、この管の端部内周に挿
入されて固定された形状記憶合金からなるリング
とを備え、前記エルボ又はテイーズ型の管及び前
記形状記憶合金のリングが、加熱されると縮径す
るようにされているとことを特徴とするエルボ又
はテイーズ型の管継手。 (2) 前記エルボ又はテイーズ型の管の端部外周
に、前記管の端部を縮径させるように弾性力を付
与するばね部材が装着されている請求項１記載の
エルボ又はテイーズ型の管継手。 (3) 前記形状記憶合金のリング外周に凹凸が形
成され、この凹凸が前記エルボ又はテイーズ型の
管の端部内周に食い込んで、両者が固定されてい
る請求項１又は２記載のエルボ又はテイーズ型の
管継手。 (4) 前記エルボ又はテイーズ型の管の内周と、
前記形状記憶合金のリング外周との間に接着剤が
介在され、この接着剤によつて両者が固定されて
いる請求項１又は２記載のエルボ又はテイーズ型
の管継手。 (5) 前記形状記憶合金のリングは、前記エルボ
又はテイーズ型の管の端部内周に挿入された接続
部分と、前記管より突出した締付け部分とを有し
ている請求項１〜４のいずれか１つに記載のエル
ボ又はテイーズ型の管継手。[Scope of claims for utility model registration] (1) In an elbow or Tease type pipe joint,
The method comprises an elbow- or teeth-shaped tube made of a shape-memory resin or a heat-shrinkable resin, and a ring made of a shape-memory alloy inserted and fixed to the inner periphery of the end of the tube, the elbow- or teeth-shaped tube and An elbow or tees type pipe joint, characterized in that the shape memory alloy ring is configured to contract in diameter when heated. (2) The elbow or Tees type tube according to claim 1, wherein a spring member is attached to the outer periphery of the end of the elbow or Tees type tube to apply an elastic force so as to reduce the diameter of the end of the tube. Fittings. (3) The elbow or teeth according to claim 1 or 2, wherein unevenness is formed on the outer periphery of the ring of the shape memory alloy, and the unevenness bites into the inner periphery of the end of the elbow or teeth-shaped tube, thereby fixing both. type pipe fittings. (4) the inner periphery of the elbow or Tease-shaped tube;
3. The elbow or tees type pipe joint according to claim 1, wherein an adhesive is interposed between the shape memory alloy ring and the outer periphery of the shape memory alloy ring, and the two are fixed by the adhesive. (5) The shape memory alloy ring has a connecting portion inserted into the inner periphery of the end of the elbow or Tees-type tube, and a tightening portion protruding from the tube. The elbow or Tease type pipe fitting described in any one of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990062326U JPH0755437Y2 (en) | 1990-06-13 | 1990-06-13 | Elbow or Tees type pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990062326U JPH0755437Y2 (en) | 1990-06-13 | 1990-06-13 | Elbow or Tees type pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0419990U true JPH0419990U (en) | 1992-02-19 |
| JPH0755437Y2 JPH0755437Y2 (en) | 1995-12-20 |
Family
ID=31591370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990062326U Expired - Lifetime JPH0755437Y2 (en) | 1990-06-13 | 1990-06-13 | Elbow or Tees type pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755437Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02253081A (en) * | 1989-03-25 | 1990-10-11 | Nippon Steel Corp | Pipe joint |
-
1990
- 1990-06-13 JP JP1990062326U patent/JPH0755437Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02253081A (en) * | 1989-03-25 | 1990-10-11 | Nippon Steel Corp | Pipe joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0755437Y2 (en) | 1995-12-20 |
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