JPH046192U - - Google Patents
Info
- Publication number
- JPH046192U JPH046192U JP4634690U JP4634690U JPH046192U JP H046192 U JPH046192 U JP H046192U JP 4634690 U JP4634690 U JP 4634690U JP 4634690 U JP4634690 U JP 4634690U JP H046192 U JPH046192 U JP H046192U
- Authority
- JP
- Japan
- Prior art keywords
- pipe joint
- lower electrodes
- arms
- pin
- contact resistance
- 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
- 239000002184 metal Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Control Of Resistance Heating (AREA)
Description
第１図及び第２図は本考案の一実施例を管継手
をクランプする前とクランプ後の状態で示す説明
図、第３図は形状記憶合金管継手を管を接続した
状態で示す説明図、第４図及び第５図はそれぞれ
従来の通電接触抵抗加熱器の説明図である。
２……管継手、１１……アーム、１２……ピン
、１３……金属弾性バネ、１５……電極、１５ａ
……接触部。
Figures 1 and 2 are explanatory diagrams showing an embodiment of the present invention before and after clamping a pipe joint, and Figure 3 is an explanatory diagram showing a shape memory alloy pipe joint with a pipe connected. , FIG. 4, and FIG. 5 are explanatory diagrams of conventional energizing contact resistance heaters, respectively. 2... Pipe joint, 11... Arm, 12... Pin, 13... Metal elastic spring, 15... Electrode, 15a
...Contact part.
Claims (1)
に設けられた上下電極により管継手を挟持して加
熱する通電接触抵抗加熱器おいて、上記上下電極
のそれぞれを２箇所で管継手の外周に接触する形
状とすると共に、上記２本のアームの一方のアー
ムの中間部に金属弾性バネを介装したことを特徴
とする管継手加熱器。 In an energizing contact resistance heater that heats a pipe joint by sandwiching it between upper and lower electrodes provided at the tips of two arms whose base ends are connected by a pin, each of the upper and lower electrodes is connected to the pipe joint at two locations. A pipe joint heater characterized in that it has a shape that contacts the outer periphery and a metal elastic spring is interposed in the middle part of one of the two arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4634690U JPH046192U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4634690U JPH046192U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046192U true JPH046192U (en) | 1992-01-21 |
Family
ID=31561350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4634690U Pending JPH046192U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046192U (en) |
-
1990
- 1990-04-27 JP JP4634690U patent/JPH046192U/ja active Pending