JPS6487033A - Manufacture of container for ultra high purity gas - Google Patents
Manufacture of container for ultra high purity gasInfo
- Publication number
- JPS6487033A JPS6487033A JP24461787A JP24461787A JPS6487033A JP S6487033 A JPS6487033 A JP S6487033A JP 24461787 A JP24461787 A JP 24461787A JP 24461787 A JP24461787 A JP 24461787A JP S6487033 A JPS6487033 A JP S6487033A
- Authority
- JP
- Japan
- Prior art keywords
- metal tube
- inert gas
- anoxia
- container
- atmosphere
- 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
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
PURPOSE:To check the oxidation of a metal tube and to subject to mirror- finishing at high grade by forming an anoxia atmosphere or quasi-anoxia atmosphere by filling up an inert gas inside a metal tube in case of forming the bottom and head of a container with the hot treatment of the end of the metal tube blank cut in a regular size. CONSTITUTION:On end of a metal tube blank 1 is subjected to closing by rounding it with a hot spinning machine 2 and the container bottom part 1a is press-formed by dies 3a, 3b. At this time, the other end of the metal tube 1 is left opening, so the insertion of a grinding toll is easy and the inner face of excepting the other end part can be subjected to mirror finishing with good efficiency. Then, at the prestage of the head hot treatment contracting the other end of the metal tube 1, an inert gas 4 is filled up into the metal tube 1 to replace the air inside the metal tube 1 with the inert gas 4, which is continuously supplied and the metal tube 1 inside is always maintained in the state of an oxygen being eliminated. Also the filling of the inert gas 4 is executed prior to the bottom part hot treatment and an anoxia atmosphere may be formed over the whole stage of the hot treatment of the bottom and head parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24461787A JPS6487033A (en) | 1987-09-29 | 1987-09-29 | Manufacture of container for ultra high purity gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24461787A JPS6487033A (en) | 1987-09-29 | 1987-09-29 | Manufacture of container for ultra high purity gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6487033A true JPS6487033A (en) | 1989-03-31 |
Family
ID=17121404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24461787A Pending JPS6487033A (en) | 1987-09-29 | 1987-09-29 | Manufacture of container for ultra high purity gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6487033A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03146233A (en) * | 1989-11-02 | 1991-06-21 | Keiichiro Yoshida | Cold working method for device for metallic pipe and pressure resistant vessel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4846558A (en) * | 1971-10-16 | 1973-07-03 | ||
| JPS5933045A (en) * | 1982-07-07 | 1984-02-22 | ソシエテ・シヴイル・ヴア−ガム | Wire stretcher |
-
1987
- 1987-09-29 JP JP24461787A patent/JPS6487033A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4846558A (en) * | 1971-10-16 | 1973-07-03 | ||
| JPS5933045A (en) * | 1982-07-07 | 1984-02-22 | ソシエテ・シヴイル・ヴア−ガム | Wire stretcher |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03146233A (en) * | 1989-11-02 | 1991-06-21 | Keiichiro Yoshida | Cold working method for device for metallic pipe and pressure resistant vessel |
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