JPH02136889U - - Google Patents
Info
- Publication number
- JPH02136889U JPH02136889U JP4599789U JP4599789U JPH02136889U JP H02136889 U JPH02136889 U JP H02136889U JP 4599789 U JP4599789 U JP 4599789U JP 4599789 U JP4599789 U JP 4599789U JP H02136889 U JPH02136889 U JP H02136889U
- Authority
- JP
- Japan
- Prior art keywords
- pipe joint
- circumferential surface
- inner circumferential
- female thread
- 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
- 239000011247 coating layer Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims 3
- 239000000057 synthetic resin Substances 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 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、本考案の実施例を示す防食管継手の
縦断面図である。
１：管継手本体、２：外面樹脂被覆層、３：内
面樹脂筒状体、２１，２３：延出部、１２，２２
，３２：雌ねじ。
FIG. 1 is a longitudinal sectional view of a corrosion-resistant pipe joint showing an embodiment of the present invention. 1: Pipe joint body, 2: Outer resin coating layer, 3: Inner resin cylindrical body, 21, 23: Extension portion, 12, 22
, 32: Female thread.
Claims (1)
部内周面に周方向に沿つて凹溝が設けられた金属
製管継手本体の前記凹溝に合成樹脂製筒状体を嵌
着し、かつ前記管継手本体の外面に合成樹脂被覆
層を形成した管継手において、前記管継手本体の
端部より軸方向に延出する合成樹脂被覆層からな
る延出部を形成し、該延出部の一端あるいは両端
の内周面に上記管継手本体の端部内周面の雌ねじ
に連続した雌ねじ部を設けたことを特徴とする防
食管継手。 (2) 実用新案登録請求の範囲第１項において、
管継手本体の凹溝に嵌着した合成樹脂製筒状体は
、前記筒状体の一端の内周面に管継手本体の雌ね
じに、連続した雌ねじを設けると共に、もう一端
の筒状体は、前記管継手本体の雌ねじに接続され
る管の端部内周面に密着する円筒部を管継手本体
端部に向つて延出して、一体的に設けたことを特
徴とする防食管継手。[Claims for Utility Model Registration] (1) A female threaded portion is provided on the inner circumferential surface of the end, and a groove is formed along the circumferential direction on the inner circumferential surface of the inner part of the metal pipe fitting body. In a pipe joint in which a resin cylindrical body is fitted and a synthetic resin coating layer is formed on the outer surface of the pipe joint body, an extension made of the synthetic resin coating layer extends in the axial direction from an end of the pipe joint body. 1. A corrosion-resistant pipe fitting, characterized in that a protruding portion is formed, and a female screw portion is provided on the inner circumferential surface of one or both ends of the protruding portion, and is continuous with a female thread on the inner circumferential surface of the end portion of the pipe fitting main body. (2) In paragraph 1 of the claims for utility model registration,
The synthetic resin cylindrical body fitted into the concave groove of the pipe fitting body has a female thread continuous to the female thread of the pipe joint body on the inner peripheral surface of one end of the cylindrical body, and the other end of the cylindrical body has A corrosion-resistant pipe joint, characterized in that a cylindrical part that is in close contact with the inner circumferential surface of the end of the pipe connected to the female thread of the pipe joint main body is integrally provided and extends toward the end of the pipe joint main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4599789U JPH02136889U (en) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4599789U JPH02136889U (en) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02136889U true JPH02136889U (en) | 1990-11-15 |
Family
ID=31560682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4599789U Pending JPH02136889U (en) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02136889U (en) |
-
1989
- 1989-04-19 JP JP4599789U patent/JPH02136889U/ja active Pending