JPS6432988U - - Google Patents
Info
- Publication number
- JPS6432988U JPS6432988U JP12815487U JP12815487U JPS6432988U JP S6432988 U JPS6432988 U JP S6432988U JP 12815487 U JP12815487 U JP 12815487U JP 12815487 U JP12815487 U JP 12815487U JP S6432988 U JPS6432988 U JP S6432988U
- Authority
- JP
- Japan
- Prior art keywords
- corrosion
- core
- pipe
- insertion part
- female thread
- 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
- 230000037431 insertion Effects 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 6
- 241000722921 Tulipa gesneriana Species 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Description
第１図は本考案の第１実施例を示すもので、イ
は半断面して示す正面図、ロはイのロ―ロ断面図
、第２図は第１図に示す管端防食コアの挿入部の
展開図、第３図は管への入れ始めの説明図、第４
図イ，ロは挿入部がサインカーブの場合の管への
挿入時の説明図、第５図イ〜ホは挿入部の谷部が
ノツチ形状の場合（本考案の場合）の第４図と同
様の図、第６図イは挿入部のカーブを本考案より
更に大きくした場合の挿入部の図面、ロはその展
開図、第７図イ，ロは本考案の挿入部に２方向か
ら力を加えた場合の説明図、第８図は第６図に示
した形状の挿入部の場合の第７図ロと同じ図面、
第９図は本考案の第２実施例を示す説明図、第１
０図は継手本体の不完全ねじ部に管端防食コアの
ねじ部が乗り上げた場合の説明図、第１１図は本
考案の第３実施例の説明図、第１２図は本考案の
第４実施例の説明図、第１３図イ〜ハは内蔵型の
管端防食継手の一例を示す図面、第１４図は従来
の管端防食コアの挿入部と継手本体及び管との関
係図、第１５図イ〜ハは従来の管端防食コアにお
ける押しつぶし状態の説明図、第１６図イ〜ハは
本出願人が先に開示した管端防食コアの説明図。
２は管端防食コア、３は挿入部。
Fig. 1 shows the first embodiment of the present invention, in which A is a half-sectional front view, B is a cross-sectional view of A, and Fig. 2 shows the pipe end anti-corrosion core shown in Fig. 1. Developed view of the insertion part, Figure 3 is an explanatory diagram of the beginning of insertion into the tube, Figure 4
Figures A and B are explanatory diagrams of insertion into a tube when the insertion part has a sine curve, and Figures 5A to 5E are illustrations of Figure 4 when the insertion part has a notch shape (in the case of the present invention). Similar drawings, Figure 6 A is a drawing of the insertion part when the curve of the insertion part is made larger than that of the present invention, B is its developed view, and Figure 7 A and B are the force applied from two directions to the insertion part of the present invention. Fig. 8 is the same drawing as Fig. 7 (b) in the case of the insertion portion having the shape shown in Fig.
FIG. 9 is an explanatory diagram showing the second embodiment of the present invention;
Figure 0 is an explanatory diagram of the case where the threaded part of the pipe end anti-corrosion core rides on the incomplete threaded part of the joint body, Figure 11 is an explanatory diagram of the third embodiment of the present invention, and Figure 12 is the fourth embodiment of the present invention. 13A to 13C are diagrams showing an example of a built-in type pipe end anticorrosive joint, FIG. 14 is a diagram showing the relationship between the insertion part of a conventional pipe end anticorrosion core, the joint body, and the pipe, and FIG. 15A to 15C are explanatory diagrams of the crushed state of a conventional tube end anticorrosion core, and FIGS. 16A to 16C are explanatory diagrams of the tube end anticorrosion core previously disclosed by the applicant. 2 is the tube end anti-corrosion core, 3 is the insertion part.
Claims (1)
じ部の腐食防止を目的とする管端防食コアにおい
て、管端防食コアの挿入部を、その内装時におい
て継手本体の雌ねじ端面より突出する長さに形成
すると共に、かつ該挿入部をチユーリツプカーブ
状に形成したことを特徴とする管端防食コア。 In a pipe end anti-corrosion core that aims to prevent corrosion of the end of a pipe at a threaded joint or the remaining female thread of a fitting, the length of the insertion part of the pipe end anti-corrosion core that protrudes from the female thread end surface of the fitting body when it is installed. What is claimed is: 1. A corrosion-protective core for a tube end, characterized in that the insertion portion is formed in the shape of a tulip curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12815487U JPH059580Y2 (en) | 1987-08-24 | 1987-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12815487U JPH059580Y2 (en) | 1987-08-24 | 1987-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6432988U true JPS6432988U (en) | 1989-03-01 |
| JPH059580Y2 JPH059580Y2 (en) | 1993-03-09 |
Family
ID=31381222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12815487U Expired - Lifetime JPH059580Y2 (en) | 1987-08-24 | 1987-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH059580Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04181098A (en) * | 1990-11-09 | 1992-06-29 | Sekisui Chem Co Ltd | Pipe joint |
-
1987
- 1987-08-24 JP JP12815487U patent/JPH059580Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04181098A (en) * | 1990-11-09 | 1992-06-29 | Sekisui Chem Co Ltd | Pipe joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH059580Y2 (en) | 1993-03-09 |
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