JPH0312690U - - Google Patents
Info
- Publication number
- JPH0312690U JPH0312690U JP7240689U JP7240689U JPH0312690U JP H0312690 U JPH0312690 U JP H0312690U JP 7240689 U JP7240689 U JP 7240689U JP 7240689 U JP7240689 U JP 7240689U JP H0312690 U JPH0312690 U JP H0312690U
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- pipe
- pipes
- steel pipe
- steel
- 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 30
- 239000010959 steel Substances 0.000 claims description 30
- 229920003002 synthetic resin Polymers 0.000 claims description 18
- 239000000057 synthetic resin Substances 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims 4
- 230000035515 penetration Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Description
第１，２図は第１の考案の一実施例を示し、第
１図は相互に接続される複合鋼管の管端部の断面
図、第２図は接続した管端部の断面図である。第
３，４図は第２の考案の一実施例を示し、第３図
は相互に接続される複合鋼管の管端部の断面図、
第４図は接続した管端部の断面図である。第５〜
８図は第３の考案の一実施例を示し、第５図は第
３の考案に使用する複合鋼管の断面図、第６図は
継手リングの斜視図、第７図は第６図の−線
断面図、第８図は接続した管端部の断面図である
。
１，２……鋼管、３……溶接継手、４，５……
合成樹脂管、６……段部、７……突出挿入部、８
……段部、９……空隙部、１０……接着剤、１１
……断熱材、１２，１３……鋼管、１４……溶接
継手、１５，１６……合成樹脂管、１７……段部
、１８……突出挿入部、１９……段部、２０……
空隙部、２１……接着剤、２２……断熱材、２３
……鋼管、２４……合成樹脂管、２５……露出内
周面、２６……段部、２７……継手リング、２８
……鋼管、２９……合成樹脂管、３０……断熱材
、３１……突合せ溶接部、３２……接着剤。
Figures 1 and 2 show an embodiment of the first invention, Figure 1 is a sectional view of the pipe ends of mutually connected composite steel pipes, and Figure 2 is a sectional view of the connected pipe ends. . 3 and 4 show an embodiment of the second invention, and FIG. 3 is a sectional view of the pipe ends of mutually connected composite steel pipes,
FIG. 4 is a cross-sectional view of the connected tube ends. 5th~
Fig. 8 shows an embodiment of the third invention, Fig. 5 is a cross-sectional view of a composite steel pipe used in the third invention, Fig. 6 is a perspective view of a coupling ring, and Fig. 7 is a diagram showing the - of Fig. 6. The line sectional view, FIG. 8, is a sectional view of the connected tube ends. 1, 2... Steel pipe, 3... Welded joint, 4, 5...
Synthetic resin pipe, 6...Stepped portion, 7...Protruding insertion portion, 8
...Stepped portion, 9...Gap, 10...Adhesive, 11
... Insulation material, 12, 13 ... Steel pipe, 14 ... Welded joint, 15, 16 ... Synthetic resin pipe, 17 ... Step part, 18 ... Protruding insertion part, 19 ... Step part, 20 ...
Gap portion, 21...Adhesive, 22...Insulating material, 23
... Steel pipe, 24 ... Synthetic resin pipe, 25 ... Exposed inner peripheral surface, 26 ... Stepped portion, 27 ... Coupling ring, 28
... Steel pipe, 29 ... Synthetic resin pipe, 30 ... Heat insulating material, 31 ... Butt welded part, 32 ... Adhesive.
Claims (1)
鋼管の継手において、鋼管どうしはルート間隙０
の部分溶込み溶接を施し、合成樹脂管どうしは、
一方の合成樹脂管を延長し内周に段部を設けて突
出挿入部となし、他方の合成樹脂管の先端部の外
周に段部を設け、鋼管の内周との間に空隙部を形
成し、前記突出挿入部を前記空隙部に嵌着して、
合成樹脂管どうしを接着剤で接着し、鋼管の溶接
時の伝導熱による熱損傷を受けないように、鋼管
と合成樹脂管の間の所定の範囲に断熱材を介在さ
せてなる複合鋼管の継手構造。 (2) 外側を鋼管、内側を合成樹脂管とする複合
鋼管の継手において、鋼管どうしはルート間隙０
の部分溶込み溶接を施し、合成樹脂管どうしは、
一方の鋼管の先端内周に段部を形成しかつこの段
部に沿つて内側の合成樹脂管を拡管延長して突出
挿入部となし、他方の鋼管の先端内周に段部を形
成しかつ内側の合成樹脂管を延長して、前記突出
挿入部が嵌合する空隙部となし、前記突出挿入部
を前記空隙部に嵌着して、合成樹脂管どうしを接
着剤で接着し、鋼管の溶接時の伝導熱による熱損
傷を受けないように、鋼管と合成樹脂管の間の所
定の範囲に断熱材を介在させてなる複合鋼管の継
手構造。 (3) 外側を鋼管、内側を合成樹脂管とする複合
鋼管の継手において、外側が鋼管、内側が合成樹
脂管、これらの中間に断熱材を介在させた継手リ
ングを、該鋼管部が複合鋼管の鋼管どうしの突合
せ溶接時の当金となるように複合鋼管の端部間に
内嵌してなる複合鋼管の継手構造。[Scope of Claim for Utility Model Registration] (1) In a composite steel pipe joint with a steel pipe on the outside and a synthetic resin pipe on the inside, the steel pipes have a root gap of 0.
By applying partial penetration welding, the synthetic resin pipes are
One synthetic resin pipe is extended and a stepped part is provided on the inner periphery to form a protruding insertion part, and a stepped part is provided on the outer periphery of the tip of the other synthetic resin pipe to form a gap between it and the inner periphery of the steel pipe. and fitting the protruding insertion part into the cavity,
A composite steel pipe joint made by bonding synthetic resin pipes together with adhesive and interposing a heat insulating material in a predetermined area between the steel pipes and the synthetic resin pipes to prevent heat damage caused by conductive heat during welding of the steel pipes. structure. (2) In joints of composite steel pipes with a steel pipe on the outside and a synthetic resin pipe on the inside, the root gap between the steel pipes is 0.
By applying partial penetration welding, the synthetic resin pipes are
A step is formed on the inner periphery of the tip of one steel pipe, and the inner synthetic resin pipe is expanded and extended along this step to form a protruding insertion part, and a step is formed on the inner periphery of the tip of the other steel pipe. The inner synthetic resin pipe is extended to form a cavity into which the protruding insertion part fits, the protrusion insertion part is fitted into the cavity, the synthetic resin pipes are bonded together with adhesive, and the steel pipe is A joint structure for composite steel pipes with a heat insulating material interposed in a predetermined area between the steel pipe and synthetic resin pipe to prevent heat damage due to conduction heat during welding. (3) In a joint for a composite steel pipe that has a steel pipe on the outside and a synthetic resin pipe on the inside, the joint ring has a steel pipe on the outside, a synthetic resin pipe on the inside, and a heat insulating material in between, and the steel pipe part is a composite steel pipe. A joint structure for composite steel pipes that is fitted between the ends of the composite steel pipes to serve as a butt weld when the steel pipes are butt welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7240689U JPH0312690U (en) | 1989-06-22 | 1989-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7240689U JPH0312690U (en) | 1989-06-22 | 1989-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312690U true JPH0312690U (en) | 1991-02-08 |
Family
ID=31610314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7240689U Pending JPH0312690U (en) | 1989-06-22 | 1989-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0614086U (en) * | 1992-07-27 | 1994-02-22 | 森紙業株式会社 | Package for compressed fiber packaging |
-
1989
- 1989-06-22 JP JP7240689U patent/JPH0312690U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0614086U (en) * | 1992-07-27 | 1994-02-22 | 森紙業株式会社 | Package for compressed fiber packaging |
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