JPH0269184U - - Google Patents
Info
- Publication number
- JPH0269184U JPH0269184U JP14934888U JP14934888U JPH0269184U JP H0269184 U JPH0269184 U JP H0269184U JP 14934888 U JP14934888 U JP 14934888U JP 14934888 U JP14934888 U JP 14934888U JP H0269184 U JPH0269184 U JP H0269184U
- Authority
- JP
- Japan
- Prior art keywords
- valve box
- annular groove
- groove
- valve
- female thread
- 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
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 claims 1
Landscapes
- Valve Housings (AREA)
Description
第１図は本考案の実施例を示す玉形弁用弁箱の
縦断面図、第２図は他の実施例を示す仕切弁用弁
箱の縦断面図、第３図は従来技術を示す仕切弁用
弁箱の縦断面図である。
１……弁箱、１１……接続用めねじ、１３……
環状凹溝、１４……平行内面、２……円筒体、２
１……円筒部。
Fig. 1 is a longitudinal sectional view of a valve box for a globe valve showing an embodiment of the present invention, Fig. 2 is a longitudinal sectional view of a valve box for a gate valve showing another embodiment, and Fig. 3 shows the prior art. It is a longitudinal cross-sectional view of the valve box for gate valves. 1...Valve box, 11...Female thread for connection, 13...
Annular groove, 14... Parallel inner surface, 2... Cylindrical body, 2
1... Cylindrical part.
Claims (1)
つて、前記めねじの奥部にめねじの内径より大き
な環状凹溝を形成し、該環状凹溝の奥に凹溝の内
径より小径の平行内面を設け、前記環状凹溝から
平行内面に渡つて被着する被着部と接続される管
の内面に当接して弁箱の端部側に突出する円筒体
部を射出成形によつて設けたことを特徴とする接
続管端面防食用弁箱。 A valve box for a valve having female threads at both end connections, wherein an annular groove larger than the inner diameter of the female thread is formed in the inner part of the female thread, and a ring groove with a smaller diameter than the inner diameter of the groove is formed in the inner part of the annular groove. By injection molding, a cylindrical body portion is provided with a parallel inner surface, and protrudes toward the end of the valve box by contacting the inner surface of the pipe connected to the adhered portion extending from the annular groove to the parallel inner surface. A valve box for preventing corrosion on the end face of a connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14934888U JPH0269184U (en) | 1988-11-16 | 1988-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14934888U JPH0269184U (en) | 1988-11-16 | 1988-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0269184U true JPH0269184U (en) | 1990-05-25 |
Family
ID=31421494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14934888U Pending JPH0269184U (en) | 1988-11-16 | 1988-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0269184U (en) |
-
1988
- 1988-11-16 JP JP14934888U patent/JPH0269184U/ja active Pending