JPS6417084U - - Google Patents
Info
- Publication number
- JPS6417084U JPS6417084U JP11072687U JP11072687U JPS6417084U JP S6417084 U JPS6417084 U JP S6417084U JP 11072687 U JP11072687 U JP 11072687U JP 11072687 U JP11072687 U JP 11072687U JP S6417084 U JPS6417084 U JP S6417084U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- connection structure
- coated steel
- flange
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000003466 welding Methods 0.000 claims 2
- 238000005219 brazing Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Description
第１図は本考案の内面被覆鋼管と配管器材との
接続構造の一実施例を示す部分断面図、第２図ａ
乃至ｃは本考案の接続構造における管端防食用コ
アの実施例を示す部分断面図、第３図ａ乃至ｃは
本考案の接続構造における管端防食用コアの鍔部
を管継手部の環状平面に密封固着する方法の実施
例を示す部分断面図、第４図ａ乃至ｄは本考案の
接続構造における管端防食用コアが内面被覆鋼管
の管孔に密封接触する部分の実施例を示す部分断
面図である。
１……内面被覆鋼管、１ｃ……管端部、１ｄ…
…雄ねじ部、１ｅ……管孔、１ｆ……管端面、２
……管継手部、２ａ……雌ねじ部、２ｂ……環状
平面、２ｃ……円孔部、３……管端防食用コア、
３ａ……鍔部、３ｂ……第一円筒部、３ｃ……第
二円筒部、３ｄ……ガスケツト用溝、３ｅ……環
状突起、４……ガスケツト、５……第二ガスケツ
ト。
Fig. 1 is a partial cross-sectional view showing an embodiment of the connection structure between the internally coated steel pipe and piping equipment of the present invention, and Fig. 2a
FIGS. 3A to 3C are partial sectional views showing examples of the pipe end corrosion protection core in the connection structure of the present invention, and FIGS. Figures 4a to 4d are partial cross-sectional views showing an embodiment of a method for sealing and fixing to a flat surface, and show an embodiment of the portion where the pipe end anticorrosion core makes sealing contact with the pipe hole of the inner-coated steel pipe in the connection structure of the present invention. FIG. 1... Internally coated steel pipe, 1c... Pipe end, 1d...
...Male thread part, 1e...Pipe hole, 1f...Pipe end surface, 2
... Pipe joint part, 2a ... Female thread part, 2b ... Annular plane, 2c ... Circular hole part, 3 ... Pipe end corrosion prevention core,
3a... Flange portion, 3b... First cylindrical portion, 3c... Second cylindrical portion, 3d... Gasket groove, 3e... Annular projection, 4... Gasket, 5... Second gasket.
Claims (1)
被覆鋼管と、管継手部の内周面に雌ねじ部を形成
したバルブ、管継手などの配管器材との接続構造
であつて、該管継手部の内周面の該雌ねじ部の奥
に環状平面と円孔部とを形成し、該接続部に装着
した管端防食用コアは耐食金属製であつて、鍔部
と該鍔部の一側に設けて該円孔部に挿入した第一
円筒部と該鍔部の他側に設けて該管端部の管孔に
密封接触するよう挿入した第二円筒部とからなり
、該鍔部を該環状平面に密封固着したことを特徴
とする内面被覆鋼管と配管器材との接続構造。 (2) 該管端防食用コアを一体形に形成した実用
新案登録請求の範囲第１項記載の内面被覆鋼管と
配管器材との接続構造。 (3) 該管端防食用コアを、複数個の部分を機械
的に接合するか、溶接又はろう付けで接合して形
成した実用新案登録請求の範囲第１項記載の内面
被覆鋼管と配管器材との接続構造。 (4) 該鍔部を該環状平面に接着剤、ろう付け、
溶接などにより直接密封固着した実用新案登録請
求の範囲第１項乃至第３項記載の内面被覆鋼管と
配管器材との接続構造。 (5) 該鍔部に固着した環状のガスケツトを該環
状平面に固着して該鍔部を該環状平面に間接密封
固着した実用新案登録請求の範囲第１項乃至第３
項記載の内面被覆鋼管と配管器材との接続構造。 (6) 該第二円筒部の一部に環状突起を設け、該
環状突起を該管孔に密封接触させた実用新案登録
請求の範囲第１項乃至第５項記載の内面被覆鋼管
と配管器材との接続構造。 (7) 該第二円筒部の一部に環状のガスケツト用
溝を設け、該ガスケツト用溝に環状の第二ガスケ
ツトを装着又は固着して、該第二円筒部を第二ガ
スケツトを介して該管孔に密封接触させた実用新
案登録請求の範囲第１項乃至第５項記載の内面被
覆鋼管と配管器材との接続構造。 (8) 該第二円筒部の一部又はほぼ全部の外径を
該管孔に密封接触する大きさに形成した実用新案
登録請求の範囲第１項乃至第５項記載の内面被覆
鋼管と配管器材との接続構造。[Scope of Claim for Utility Model Registration] (1) Internally coated steel pipes with a male thread formed on the outer peripheral surface of the pipe end, and piping equipment such as valves and pipe fittings with a female thread formed on the inner peripheral surface of the pipe joint. In the connection structure, an annular plane and a circular hole are formed deep inside the female thread on the inner circumferential surface of the pipe joint, and the pipe end anticorrosion core attached to the connection is made of a corrosion-resistant metal. a flange, a first cylindrical part provided on one side of the flange and inserted into the circular hole, and a second cylindrical part provided on the other side of the flange and inserted into the tube hole of the tube end in a sealed manner. 1. A connection structure between an inner-coated steel pipe and piping equipment, comprising two cylindrical parts, the flange being hermetically fixed to the annular plane. (2) A connection structure between an internally coated steel pipe and piping equipment as set forth in claim 1 of the utility model registration claim, in which the pipe end corrosion protection core is integrally formed. (3) The internally coated steel pipe and piping equipment according to claim 1 of the utility model registration claim, in which the pipe end corrosion protection core is formed by mechanically joining a plurality of parts, or joining them by welding or brazing. connection structure. (4) Glue or braze the flange to the annular plane;
A connection structure between an inner-coated steel pipe and piping equipment according to claims 1 to 3, which are directly sealed and fixed by welding or the like. (5) Scope of Utility Model Registration Claims 1 to 3, in which an annular gasket fixed to the flange is fixed to the annular plane, thereby indirectly sealingly fixing the flange to the annular plane.
Connection structure between the internally coated steel pipe and piping equipment described in Section 1. (6) The inner-coated steel pipe and piping equipment according to claims 1 to 5 of the utility model registration claim, wherein a part of the second cylindrical portion is provided with an annular projection, and the annular projection is brought into sealing contact with the pipe hole. connection structure. (7) An annular gasket groove is provided in a part of the second cylindrical part, a second annular gasket is attached or fixed to the gasket groove, and the second cylindrical part is connected to the gasket through the second gasket. A connection structure between an inner-coated steel pipe and piping equipment according to claims 1 to 5 of the claimed utility model registration, which are brought into sealing contact with a pipe hole. (8) The internally coated steel pipe and piping according to claims 1 to 5 of the utility model registration claim, wherein the outer diameter of a part or almost all of the second cylindrical part is formed to a size that allows sealing contact with the pipe hole. Connection structure with equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987110726U JPH0636393Y2 (en) | 1987-07-21 | 1987-07-21 | Connection structure between inner surface coated steel pipe and piping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987110726U JPH0636393Y2 (en) | 1987-07-21 | 1987-07-21 | Connection structure between inner surface coated steel pipe and piping equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6417084U true JPS6417084U (en) | 1989-01-27 |
| JPH0636393Y2 JPH0636393Y2 (en) | 1994-09-21 |
Family
ID=31348146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987110726U Expired - Lifetime JPH0636393Y2 (en) | 1987-07-21 | 1987-07-21 | Connection structure between inner surface coated steel pipe and piping equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636393Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55140888U (en) * | 1979-03-29 | 1980-10-08 | ||
| JPS6199778U (en) * | 1984-12-06 | 1986-06-26 |
-
1987
- 1987-07-21 JP JP1987110726U patent/JPH0636393Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55140888U (en) * | 1979-03-29 | 1980-10-08 | ||
| JPS6199778U (en) * | 1984-12-06 | 1986-06-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0636393Y2 (en) | 1994-09-21 |
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