JPH0250590U - - Google Patents
Info
- Publication number
- JPH0250590U JPH0250590U JP12940488U JP12940488U JPH0250590U JP H0250590 U JPH0250590 U JP H0250590U JP 12940488 U JP12940488 U JP 12940488U JP 12940488 U JP12940488 U JP 12940488U JP H0250590 U JPH0250590 U JP H0250590U
- Authority
- JP
- Japan
- Prior art keywords
- threaded portion
- coating layer
- resin coating
- tapered male
- metal tube
- 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 9
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 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図は本考案の一実施例を示す断面図、第２
図は接続前の状態を示す断面図、第３図はカラー
の半截側面図、第４図はネジ切り前の状態を示す
断面図である。
１……継手、２……平行雌ネジ部、３……金属
管、４……端部、５……テーパ雄ネジ部、６……
樹脂被覆層、７……樹脂コーテイング層、８……
カラー、１０……外鍔。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view showing the state before connection, FIG. 3 is a half-cut side view of the collar, and FIG. 4 is a sectional view showing the state before threading. DESCRIPTION OF SYMBOLS 1...Joint, 2...Parallel female threaded part, 3...Metal tube, 4...End part, 5...Tapered male threaded part, 6...
Resin coating layer, 7...Resin coating layer, 8...
Color, 10...outer tsuba.
Claims (1)
、内面に樹脂被覆層６を有する金属管３の端部４
にはテーパ雄ネジ部５が形成され、該平行雌ネジ
部２に該テーパ雄ネジ部５を螺合した接続状態に
て上記テーパ雄ネジ部５の先端から１〜３山のみ
に樹脂コーテイング層７が介在し、かつ、介在し
た該樹脂コーテイング層７が上記継手１の奥部ま
で連続状として形成されていることを特徴とする
防蝕接続構造体。 ２ 継手１に平行雌ネジ部２が形成されると共に
、内面に樹脂被覆層６を有する金属管３の端部４
にはテーパ雄ネジ部５が形成され、プラスチツク
製の外鍔１０付きカラー８が上記金属管３の端部
４に内挿されて該金属管３の端面１１を被覆し、
さらに、上記平行雌ネジ部２に上記テーパ雄ネジ
部５を螺合した接続状態にて上記テーパ雄ネジ部
５の先端から１〜３山のみに樹脂コーテイング層
７が介在し、かつ、介在した該樹脂コーテイング
層７が上記継手１の奥部まで連続状として形成さ
れていることを特徴とする防蝕接続構造体。[Claims for Utility Model Registration] 1. An end portion 4 of a metal tube 3 having a parallel female threaded portion 2 formed on the joint 1 and having a resin coating layer 6 on the inner surface.
A tapered male threaded portion 5 is formed in the parallel female threaded portion 2, and when the tapered male threaded portion 5 is screwed into the parallel female threaded portion 2, a resin coating layer is applied to only 1 to 3 threads from the tip of the tapered male threaded portion 5. 7 is interposed therebetween, and the interposed resin coating layer 7 is formed continuously to the innermost part of the joint 1. 2 An end portion 4 of a metal tube 3 having a parallel female threaded portion 2 formed on the joint 1 and having a resin coating layer 6 on the inner surface.
A tapered male threaded portion 5 is formed in the metal tube 3, and a plastic collar 8 with an outer flange 10 is inserted into the end 4 of the metal tube 3 to cover the end surface 11 of the metal tube 3.
Further, in the connected state in which the tapered male threaded portion 5 is screwed into the parallel female threaded portion 2, the resin coating layer 7 is interposed only at 1 to 3 peaks from the tip of the tapered male threaded portion 5, and the resin coating layer 7 is interposed therebetween. A corrosion-resistant connection structure characterized in that the resin coating layer 7 is formed continuously to the inner part of the joint 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12940488U JPH0250590U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12940488U JPH0250590U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0250590U true JPH0250590U (en) | 1990-04-09 |
Family
ID=31383648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12940488U Pending JPH0250590U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0250590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013092195A (en) * | 2011-10-25 | 2013-05-16 | Matsui Seisakusho:Kk | Sliding shaft |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6252385B2 (en) * | 1980-12-09 | 1987-11-05 | Fujitsu Ltd |
-
1988
- 1988-09-30 JP JP12940488U patent/JPH0250590U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6252385B2 (en) * | 1980-12-09 | 1987-11-05 | Fujitsu Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013092195A (en) * | 2011-10-25 | 2013-05-16 | Matsui Seisakusho:Kk | Sliding shaft |
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