JPS61124783U - - Google Patents
Info
- Publication number
- JPS61124783U JPS61124783U JP853185U JP853185U JPS61124783U JP S61124783 U JPS61124783 U JP S61124783U JP 853185 U JP853185 U JP 853185U JP 853185 U JP853185 U JP 853185U JP S61124783 U JPS61124783 U JP S61124783U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- pipe joint
- peripheral surface
- corrosion
- steel pipe
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 4
- 229910001296 Malleable iron Inorganic materials 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Description
第１図はこの考案の一実施例による管継手装置
を用いた鋼管相互の接続状態を示す断面図、第２
図および第３図は同上管継手および接続部材の詳
細を示すそれぞれ断面図である。
１…被接続鋼管、２…鋼管の防食層、３…鋼管
の切断端面部、４…鋼管の外周面雄ネジ部、５…
管継手、６…管継手の内周面雌ネジ部、７…管継
手の防食層、８…接続コア部材、９…接続コア部
材の接続ネジ部、１０…接続コア部材のスリーブ
部。
Fig. 1 is a sectional view showing how steel pipes are connected to each other using a pipe joint device according to an embodiment of the invention;
The figure and FIG. 3 are sectional views showing details of the above pipe joint and the connecting member, respectively. DESCRIPTION OF SYMBOLS 1... Steel pipe to be connected, 2... Corrosion protection layer of steel pipe, 3... Cut end surface portion of steel pipe, 4... External peripheral surface male thread portion of steel pipe, 5...
Pipe joint, 6... Inner peripheral female threaded part of the pipe joint, 7... Corrosion protection layer of the pipe joint, 8... Connection core member, 9... Connection threaded part of the connection core member, 10... Sleeve part of the connection core member.
Claims (1)
を形成した被接続鋼管相互を接続するための配管
端部防食用管継手であつて、その管継手の雌ネジ
部を、通常の雌ネジよりも大径とした雌ネジ部を
形成した可鍛鋳鉄製管継手と、前記被接続鋼管の
外周面雄ネジ部に螺合すると共に前記管継手の内
周面雌ネジ部に螺合する接続ネジ部を有し、且つ
前記被接続鋼管に螺合した状態に於てその鋼管の
端部を含む鋼管の防食層内面側に延出するスリー
ブ部を有した防食絶縁材料製の接続コア部材とを
具備したことを特徴とする配管端部防食用管継手
装置。 A pipe joint for corrosion protection at the end of piping for connecting connected steel pipes having an anti-corrosion layer on the inner peripheral surface and a female thread on the inner peripheral surface of the end, the female thread of the pipe joint being A malleable cast iron pipe joint with a female threaded portion having a diameter larger than a normal female thread is screwed into a male threaded portion on the outer peripheral surface of the steel pipe to be connected, and a female threaded portion on the inner peripheral surface of the pipe joint. A pipe made of anti-corrosion insulating material, which has a connection screw part to be screwed together, and a sleeve part which extends to the inner surface of the anti-corrosion layer of the steel pipe including the end of the steel pipe in the state of being screwed to the steel pipe to be connected. A pipe joint device for preventing corrosion at the end of a pipe, characterized by comprising a connecting core member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP853185U JPS61124783U (en) | 1985-01-24 | 1985-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP853185U JPS61124783U (en) | 1985-01-24 | 1985-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61124783U true JPS61124783U (en) | 1986-08-06 |
Family
ID=30487904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP853185U Pending JPS61124783U (en) | 1985-01-24 | 1985-01-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61124783U (en) |
-
1985
- 1985-01-24 JP JP853185U patent/JPS61124783U/ja active Pending
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