JPS6356989U - - Google Patents
Info
- Publication number
- JPS6356989U JPS6356989U JP14954486U JP14954486U JPS6356989U JP S6356989 U JPS6356989 U JP S6356989U JP 14954486 U JP14954486 U JP 14954486U JP 14954486 U JP14954486 U JP 14954486U JP S6356989 U JPS6356989 U JP S6356989U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential wall
- bellows
- shaped
- ring
- contact
- 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
- 239000000463 material Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は、この考案に係る溶接治具を設けた管
材の断面説明図、第２図は従来例を示す管材断面
説明図、第３図は筒状の袋体の断面図、第４図は
リング筒状の袋体の断面図、第５図は使用状態を
示す管材の断面図である。
７……管材、８……管継手部、９……筒状の袋
体、１０……リング筒状の袋体、１１……小径ホ
ース、１４・１９……空気ノズル、１５・２０…
…抜け止め具。
Fig. 1 is a cross-sectional explanatory diagram of a pipe material provided with a welding jig according to this invention, Fig. 2 is a cross-sectional explanatory diagram of a pipe material showing a conventional example, Fig. 3 is a cross-sectional diagram of a cylindrical bag body, and Fig. 4 5 is a cross-sectional view of the ring-shaped bag, and FIG. 5 is a cross-sectional view of the tube material in use. 7... Pipe material, 8... Pipe joint part, 9... Cylindrical bag, 10... Ring tubular bag, 11... Small diameter hose, 14, 19... Air nozzle, 15, 20...
...A retainer.
Claims (1)
に形成し一方の側壁部に抜け止め具を設けた空気
ノズルを設けて形成した筒状の袋体と、水溶性の
紙材で形成し外周壁部と内周壁部を折曲して蛇腹
に形成し一方の側壁部に抜け止め具を設けた空気
ノズルを設けたリング筒状の袋体と、当該リング
筒状の袋体の内周壁部を通貫して一方の短縁を不
活性ガス源に接続した軟質合成樹脂材で形成した
小径ホースとでなり、筒状の袋体を管継手部を挾
む一方の管材内に挿入し、加圧空気を導入して蛇
腹状の周壁部を伸張して管材内面と接触させ、リ
ング筒状の袋体を管継手部を挾む他方の管材内に
挿入し、加圧空気を導入して蛇腹状の外周壁部を
伸張して管材内面と接触させると共に蛇腹状の内
周壁部を伸張して小径ホースと接触させて管継手
を含む閉塞区間を形成し、当該閉塞区間に不活性
ガスを導入することを特長とする溶接治具。 A cylindrical bag made of a water-soluble paper material, the circumferential wall of which is bent to form a bellows shape, and an air nozzle equipped with a stopper on one side wall, and a water-soluble paper material. A ring-shaped bag body formed of a bellows-like shape by bending an outer circumferential wall portion and an inner circumferential wall portion, and having an air nozzle provided with a stopper on one side wall portion, and the ring-cylindrical bag body A small diameter hose made of soft synthetic resin passes through the inner circumferential wall of the tube and connects one short edge to an inert gas source. The ring-shaped cylindrical bag is inserted into the other pipe material sandwiching the pipe joint, and pressurized air is introduced to stretch the bellows-shaped peripheral wall so that it comes into contact with the inner surface of the pipe material. is introduced, the bellows-shaped outer circumferential wall is stretched to contact the inner surface of the pipe material, and the bellows-shaped inner circumferential wall is stretched and brought into contact with the small diameter hose to form a closed section including the pipe joint, and the closed section is A welding jig characterized by introducing inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986149544U JPH0614942Y2 (en) | 1986-10-01 | 1986-10-01 | Welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986149544U JPH0614942Y2 (en) | 1986-10-01 | 1986-10-01 | Welding jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6356989U true JPS6356989U (en) | 1988-04-16 |
| JPH0614942Y2 JPH0614942Y2 (en) | 1994-04-20 |
Family
ID=31064853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986149544U Expired - Lifetime JPH0614942Y2 (en) | 1986-10-01 | 1986-10-01 | Welding jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614942Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS478720U (en) * | 1971-02-27 | 1972-10-02 | ||
| JPS6127171A (en) * | 1984-07-16 | 1986-02-06 | Nippon Kokan Kk <Nkk> | Back sealing method of final joint |
| JPH0324286U (en) * | 1989-02-10 | 1991-03-13 |
-
1986
- 1986-10-01 JP JP1986149544U patent/JPH0614942Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS478720U (en) * | 1971-02-27 | 1972-10-02 | ||
| JPS6127171A (en) * | 1984-07-16 | 1986-02-06 | Nippon Kokan Kk <Nkk> | Back sealing method of final joint |
| JPH0324286U (en) * | 1989-02-10 | 1991-03-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614942Y2 (en) | 1994-04-20 |