JPH041797U - - Google Patents
Info
- Publication number
- JPH041797U JPH041797U JP4110190U JP4110190U JPH041797U JP H041797 U JPH041797 U JP H041797U JP 4110190 U JP4110190 U JP 4110190U JP 4110190 U JP4110190 U JP 4110190U JP H041797 U JPH041797 U JP H041797U
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- plug
- operating shaft
- main pipe
- attached
- 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
- 238000010276 construction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Lift Valve (AREA)
Description
第１図は本考案の一実施例を示すストツパー付
きプラグの一部断面側面図、第２図ａ，ｂは上記
ストツパー付きプラグの取付け状態を示す断面図
、第３図は本考案の他の実施例を示す断面図、第
４図〜第１２図は従来のホツトタツプ工法の手順
を示す図で、第４図は本管へのフイツテイング取
付状態を示す側面図、第５図ａ，ｂは上記フイツ
テイングの構成図及び取付図、第６図は本管を穿
孔する際の説明図、第７図は本管にストツパーを
挿着する際の説明図、第８図はストツパーの側面
図、第９図は本管内部にストツパーを挿着した状
態を示す説明図、第１０図ａ，ｂは本管にバルブ
を挿入した状態を示す側面図及び断面図、第１１
図は本管にバイパス回路を取り付けた状態を示す
説明図、第１２図はフイツテイングにプラグを結
合する際の説明図である。
１……プラグ、２……操作軸、１０……フイツ
テイング、１１……上部フイツテイング、１２…
…下部フイツテイング、１３……ネツク部フイツ
テイング、１００……本管、１０８……ストツパ
ー、１０８ａ……ガスバツグ。
Fig. 1 is a partially sectional side view of a plug with a stopper showing one embodiment of the present invention, Figs. A sectional view showing an embodiment, and Figs. 4 to 12 are views showing the procedure of the conventional hot tap construction method. Fig. 4 is a side view showing a state in which the fitting is attached to the main pipe, and Figs. 5 a and b are the same as those described above. Fig. 6 is an explanatory diagram for drilling the main pipe, Fig. 7 is an explanatory diagram for inserting the stopper into the main pipe, Fig. 8 is a side view of the stopper, Fig. 9 The figure is an explanatory view showing the state in which the stopper is inserted into the main pipe, Figures 10a and b are side views and cross-sectional views showing the state in which the valve is inserted into the main pipe, and Figure 11
The figure is an explanatory diagram showing a state in which a bypass circuit is attached to a main pipe, and FIG. 12 is an explanatory diagram when a plug is connected to a fitting. 1... Plug, 2... Operating shaft, 10... Fitting, 11... Upper fitting, 12...
...Lower fitting, 13...Network fitting, 100...Main pipe, 108...Stopper, 108a...Gas bag.
Claims (1)
られたフイツテイングのシールを行うのに使用す
るプラグにおいて、 前記プラグの中心をシール下で貫通する操作軸
と、該操作軸の先端に取り付けられ本管内部を閉
鎖可能なストツパーとを備えたことを特徴とする
とするストツパー付きプラグ。 (2) 前記ストツパーが前記操作軸の内部を通し
て空気で膨脹可能なガスバツグより構成されてい
る請求項１記載のストツパー付きプラグ。[Claims for Utility Model Registration] (1) In a plug used to seal fittings attached to a main pipe in the hot tap construction method, an operating shaft passing through the center of the plug below the seal, and an operating shaft of the operating shaft. A plug with a stopper, characterized by comprising a stopper attached to the tip and capable of closing the inside of the main pipe. (2) The plug with a stopper according to claim 1, wherein the stopper is constituted by a gas bag that is inflatable with air through the inside of the operating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041101U JPH087194Y2 (en) | 1990-04-19 | 1990-04-19 | Plug with stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041101U JPH087194Y2 (en) | 1990-04-19 | 1990-04-19 | Plug with stopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH041797U true JPH041797U (en) | 1992-01-08 |
| JPH087194Y2 JPH087194Y2 (en) | 1996-03-04 |
Family
ID=31551478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990041101U Expired - Lifetime JPH087194Y2 (en) | 1990-04-19 | 1990-04-19 | Plug with stopper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087194Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013245758A (en) * | 2012-05-25 | 2013-12-09 | Cosmo Koki Co Ltd | Method of removing pipe connection member |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5761866A (en) * | 1980-09-30 | 1982-04-14 | Osaka Gas Co Ltd | Branching without flow interception |
| JPS6196265A (en) * | 1984-10-15 | 1986-05-14 | Kubota Ltd | Globe valve |
-
1990
- 1990-04-19 JP JP1990041101U patent/JPH087194Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5761866A (en) * | 1980-09-30 | 1982-04-14 | Osaka Gas Co Ltd | Branching without flow interception |
| JPS6196265A (en) * | 1984-10-15 | 1986-05-14 | Kubota Ltd | Globe valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013245758A (en) * | 2012-05-25 | 2013-12-09 | Cosmo Koki Co Ltd | Method of removing pipe connection member |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087194Y2 (en) | 1996-03-04 |
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