JPS6412994U - - Google Patents
Info
- Publication number
- JPS6412994U JPS6412994U JP1102587U JP1102587U JPS6412994U JP S6412994 U JPS6412994 U JP S6412994U JP 1102587 U JP1102587 U JP 1102587U JP 1102587 U JP1102587 U JP 1102587U JP S6412994 U JPS6412994 U JP S6412994U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- end surface
- socket
- steel pipe
- curved
- 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 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 3
- 230000037431 insertion Effects 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 229920001296 polysiloxane Polymers 0.000 description 1
Description
第１図は本考案に係る管端防食体の一実施例を
図示した一部欠截斜視図、第２図は排水口管と鋼
管とに本実施例が介装された接続状態を図示した
縦断側面図、第３図は鋼管が熱膨張した状態の縦
断側面図、第４図および第５図は本考案の他の実
施例の縦断側面図、第６図は従来の防食構造の縦
断側面図、第７図は本考案者が既に考案した従来
の防食構造の縦断面図、第８図は鋼管が熱膨張し
た状態の縦断側面図である。
１……排水口管、２……継手部、３……鋼管、
４……樹脂被覆層、５……ゴムパツキン、６……
円筒部、７……ゴム防食体、８……シリコン防食
接着剤、９……リング部材、１０……ボルト、１
１……ナツト。
Fig. 1 is a partially cutaway perspective view illustrating an embodiment of the pipe end corrosion protector according to the present invention, and Fig. 2 illustrates a connected state in which the embodiment is interposed between a drain pipe and a steel pipe. 3 is a longitudinal side view of the steel pipe in a thermally expanded state; FIGS. 4 and 5 are longitudinal side views of other embodiments of the present invention; and FIG. 6 is a longitudinal side view of a conventional anti-corrosion structure. 7 is a vertical sectional view of a conventional anti-corrosion structure devised by the present inventor, and FIG. 8 is a vertical sectional side view of a steel pipe in a thermally expanded state. 1...Drain outlet pipe, 2...Joint part, 3...Steel pipe,
4... Resin coating layer, 5... Rubber packing, 6...
Cylindrical part, 7...Rubber anti-corrosion body, 8...Silicone anti-corrosion adhesive, 9...Ring member, 10...Bolt, 1
1...Natsuto.
Claims (1)
排水口管の受口に嵌挿し、挿口と受口とを弾性部
材からなる環状パツキンを介して押輪で緊合する
継手において、前記鋼管の挿口の周面から該挿口
の端部に亘つてこれら周面および端面に接合しう
る管端面防食体であり、前記鋼管の挿口端面に接
合しうる端面接合部分には接着剤封入用円環状溝
が形成され、前記給排水口管の受口に当接する該
管端面防食体の先端部は樹脂被覆層内端縁に向い
傾斜した円錐面または緩やかに弯曲して傾斜した
弯曲傾斜面に形成され、該円錐面または弯曲傾斜
面面の樹脂被覆層内端縁側部は前記鋼管の管端面
内縁に向い緩やかに放射方向へ弯曲する曲面に形
成されたことを特徴とする管端面防食体。 In a joint in which a socket of a steel pipe having a resin coating layer adhered to its inner surface is inserted into a socket of a water supply/drainage port pipe, and the socket and the socket are tightened with a press ring through an annular packing made of an elastic member, the steel pipe A pipe end surface corrosion protector that can be bonded to the circumferential surface and end surface of the steel pipe from the circumferential surface of the insertion port to the end of the insertion port, and an adhesive is sealed in the end surface joint portion that can be bonded to the end surface of the steel pipe insertion port. The tip of the pipe end surface anti-corrosion body that contacts the socket of the water supply and drainage port pipe has a conical surface inclined toward the inner edge of the resin coating layer or a curved inclined surface gently curved and inclined. A pipe end surface corrosion protector, characterized in that the inner edge side of the resin coating layer of the conical surface or curved inclined surface is formed into a curved surface that is gently curved in a radial direction toward the inner edge of the tube end surface of the steel pipe. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1102587U JPS6412994U (en) | 1987-01-28 | 1987-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1102587U JPS6412994U (en) | 1987-01-28 | 1987-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6412994U true JPS6412994U (en) | 1989-01-24 |
Family
ID=31219212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1102587U Pending JPS6412994U (en) | 1987-01-28 | 1987-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6412994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0557598U (en) * | 1992-01-14 | 1993-07-30 | 東亜高級継手バルブ製造株式会社 | Corrosion resistant material for cast iron pipe ends |
| JP2014167350A (en) * | 2014-05-16 | 2014-09-11 | Waterworks Technology Development Organization Co Ltd | Metal pipe end anticorrosive structure and coated cover used for the same |
-
1987
- 1987-01-28 JP JP1102587U patent/JPS6412994U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0557598U (en) * | 1992-01-14 | 1993-07-30 | 東亜高級継手バルブ製造株式会社 | Corrosion resistant material for cast iron pipe ends |
| JP2014167350A (en) * | 2014-05-16 | 2014-09-11 | Waterworks Technology Development Organization Co Ltd | Metal pipe end anticorrosive structure and coated cover used for the same |
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