JPS62119643U - - Google Patents
Info
- Publication number
- JPS62119643U JPS62119643U JP649986U JP649986U JPS62119643U JP S62119643 U JPS62119643 U JP S62119643U JP 649986 U JP649986 U JP 649986U JP 649986 U JP649986 U JP 649986U JP S62119643 U JPS62119643 U JP S62119643U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- packing
- welded pipe
- evacuating
- welded
- 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
- 238000012856 packing Methods 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP649986U JPS62119643U (fr) | 1986-01-22 | 1986-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP649986U JPS62119643U (fr) | 1986-01-22 | 1986-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62119643U true JPS62119643U (fr) | 1987-07-29 |
Family
ID=30789069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP649986U Pending JPS62119643U (fr) | 1986-01-22 | 1986-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62119643U (fr) |
-
1986
- 1986-01-22 JP JP649986U patent/JPS62119643U/ja active Pending