JPH03119694U - - Google Patents
Info
- Publication number
- JPH03119694U JPH03119694U JP2910790U JP2910790U JPH03119694U JP H03119694 U JPH03119694 U JP H03119694U JP 2910790 U JP2910790 U JP 2910790U JP 2910790 U JP2910790 U JP 2910790U JP H03119694 U JPH03119694 U JP H03119694U
- Authority
- JP
- Japan
- Prior art keywords
- joint
- double pipe
- piping
- space
- threaded
- 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
- 238000010586 diagram Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Description
第１図は本考案に係る二重管用継手の構造をガ
スクロマトグラフのサンプル配管に適用した場合
の一実施例を示す断面図、第２図はテーパねじ付
きニツプルの図、第３図はガスクロマトグラフに
採用されている従来の二重管とその継手構造を示
す断面図である。
１……サンプル配管（内側配管）、２……マニ
ホルド、３……第１の継手、１０……機器用締結
部、１１……継手部、１４……スチームジヤケツ
ト（外側配管）、３１……管用テーパねじ、３３
……継手部、３５……テーパねじ、３８……空間
、３９……継手部。
Fig. 1 is a sectional view showing an example of the case where the structure of the double pipe joint according to the present invention is applied to sample piping for a gas chromatograph, Fig. 2 is a diagram of a nipple with a tapered thread, and Fig. 3 is a diagram for a gas chromatograph. FIG. 2 is a sectional view showing a conventional double pipe and its joint structure employed in the conventional double pipe. DESCRIPTION OF SYMBOLS 1... Sample piping (inner piping), 2... Manifold, 3... First joint, 10... Equipment fastening part, 11... Joint part, 14... Steam jacket (outer piping), 31... ...Tapered pipe screw, 33
...Joint part, 35...Tapered screw, 38...Space, 39...Joint part.
Claims (1)
有し、他端に機器用締結部を設け、その中間に前
記継手部のナツトより大径のねじ部を形成した第
１の継手と、 一端に二重管の外側配管と接続される継手部を
有し、他端に前記第１の継手のねじ部と螺合する
ねじ部を有すると共に、その内部には前記二重管
の内側配管の継手部を収納する空間を形成し、且
つ該空間に連通する継手部を外周に設けた第２の
継手とからなる二重管用継手の構造。[Claim for Utility Model Registration] It has a joint part to which the inner piping of the double pipe is connected at one end, a device fastening part is provided at the other end, and a threaded part with a larger diameter than the nut of the joint part in the middle. a first joint formed with a first joint, a joint part connected to the outer piping of the double pipe at one end, a threaded part screwed into the threaded part of the first joint at the other end, and an inner part thereof. A structure of a joint for a double pipe, comprising: a space for accommodating a joint of the inner piping of the double pipe; and a second joint having a joint on its outer periphery that communicates with the space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2910790U JPH03119694U (en) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2910790U JPH03119694U (en) | 1990-03-23 | 1990-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119694U true JPH03119694U (en) | 1991-12-10 |
Family
ID=31531884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2910790U Pending JPH03119694U (en) | 1990-03-23 | 1990-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006200617A (en) * | 2005-01-20 | 2006-08-03 | Nippon Pillar Packing Co Ltd | Double pipe joint |
-
1990
- 1990-03-23 JP JP2910790U patent/JPH03119694U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006200617A (en) * | 2005-01-20 | 2006-08-03 | Nippon Pillar Packing Co Ltd | Double pipe joint |
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