JPS63166786U - - Google Patents
Info
- Publication number
- JPS63166786U JPS63166786U JP5838787U JP5838787U JPS63166786U JP S63166786 U JPS63166786 U JP S63166786U JP 5838787 U JP5838787 U JP 5838787U JP 5838787 U JP5838787 U JP 5838787U JP S63166786 U JPS63166786 U JP S63166786U
- Authority
- JP
- Japan
- Prior art keywords
- internal thread
- synthetic resin
- sleeve part
- same
- sleeve
- 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
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims 3
- 239000000057 synthetic resin Substances 0.000 claims 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Description
第1図はこの考案の実施例による管端防食継手
の断面図、第2図は第1図の管端防食継手の使用
状態の要部を拡大した断面図、第3図は同実施例
による管端防食継手の変形例を示す一部切欠側面
図、第4図は同実施例による管端防食継手の他の
変形例を示す一部切欠側面図、第5図は従来の管
端防食継手の部分断面図である。
1…継手本体、2…テーパ内ねじ、3…スリー
ブ部、100…内面被覆鋼管、110…被覆層、
111…凹所、112…段付部、A…スリーブ部
の外径、T…スリーブ部の肉厚寸法、D…段付部
の段差寸法。
Fig. 1 is a cross-sectional view of a pipe end anti-corrosion joint according to an embodiment of this invention, Fig. 2 is an enlarged cross-sectional view of the main part of the pipe end anti-corrosion joint of Fig. 1 in use, and Fig. 3 is according to the same embodiment. FIG. 4 is a partially cutaway side view showing a modification of the pipe end anticorrosive joint according to the same embodiment. FIG. 5 is a partially cutaway side view showing another modification of the pipe end anticorrosive joint according to the same embodiment. FIG. FIG. DESCRIPTION OF SYMBOLS 1... Joint body, 2... Tapered internal thread, 3... Sleeve part, 100... Inner coated steel pipe, 110... Coating layer,
111... Recess, 112... Stepped part, A... Outer diameter of sleeve part, T... Thickness dimension of sleeve part, D... Step dimension of stepped part.
Claims (1)
ねじと同心状の合成樹脂製のスリーブ部を有し、
上記内ねじにねじ込まれた内面被覆鋼管の合成樹
脂被覆層の端部が上記スリーブ部に外嵌合される
管端防食継手において、 上記スリーブ部の外径が上記合成樹脂被覆層の
端部に形成された段付状の凹所の口径と同一又は
略同一寸法に形成され、かつ、上記スリーブ部の
肉厚寸法が上記凹所の段付部の段差寸法と同一か
それより小さく形成されていることを特徴とする
管端防食継手。[Claims for Utility Model Registration] A joint body having a tapered internal thread has a synthetic resin sleeve part concentric with the internal thread,
In a pipe end anti-corrosion joint in which the end of the synthetic resin coating layer of the internally coated steel pipe screwed into the internal thread is externally fitted into the sleeve part, the outer diameter of the sleeve part is aligned with the end of the synthetic resin coating layer. The sleeve portion is formed to have the same or substantially the same diameter as the diameter of the stepped recess, and the wall thickness of the sleeve portion is the same as or smaller than the step size of the stepped portion of the recess. A pipe end anti-corrosion fitting characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5838787U JPS63166786U (en) | 1987-04-17 | 1987-04-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5838787U JPS63166786U (en) | 1987-04-17 | 1987-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63166786U true JPS63166786U (en) | 1988-10-31 |
Family
ID=30888913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5838787U Pending JPS63166786U (en) | 1987-04-17 | 1987-04-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63166786U (en) |
-
1987
- 1987-04-17 JP JP5838787U patent/JPS63166786U/ja active Pending