JPS5653837A - Mouthpiece forming method of thin-walled pressure resistant vessel made of metal - Google Patents
Mouthpiece forming method of thin-walled pressure resistant vessel made of metalInfo
- Publication number
- JPS5653837A JPS5653837A JP13053579A JP13053579A JPS5653837A JP S5653837 A JPS5653837 A JP S5653837A JP 13053579 A JP13053579 A JP 13053579A JP 13053579 A JP13053579 A JP 13053579A JP S5653837 A JPS5653837 A JP S5653837A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical
- cylindrical part
- shape
- entire circumference
- edge
- 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
Abstract
PURPOSE: To eliminate the waving at the top end edge of a cylindrical part, easily make the edge of a uniform bent shape over the entire circumference and considerably increase sealability by manufacturing the position and the shape of the shoulder part of the cylindrical part with high accuracy at the time of pressing the cylindrical part having a top plate.
CONSTITUTION: A hole 6 of a diameter D is blanked concentrically at the center of a top plate 2, and the outside circumferential part is finished to an outside diameter size differing from that of a cylindrical part 3 like a cylindrical part 2". Namely, the outside circumferential part of the top plate 2 is so formed to a cylindrical shape as to leave the shoulder part R as an annular step, whereby the waving of a top end edge (plate tailing end) 18 is prevented and the position on one plane is occupied accurately. Thence, the obtained cylindrical parts 3, 2' are subjected to curling similar to that in the prior art, whereby an edge of an approximately circular section uniformly over the entire circumference is obtained. Hence, a curl shape uniform over the entire circumference is obtained in the next curling process. This method is suited for such a case in which draught beer casks are made by sheets of Al alloy.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13053579A JPS5653837A (en) | 1979-10-09 | 1979-10-09 | Mouthpiece forming method of thin-walled pressure resistant vessel made of metal |
| US06/118,108 US4313545A (en) | 1979-02-13 | 1980-02-04 | Metallic pressure vessel with thin wall |
| DE19803005378 DE3005378A1 (en) | 1979-02-13 | 1980-02-13 | Aluminium alloy pressurised beer keg - has cylindrical main section deep drawn from sheet and provided with lid section and mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13053579A JPS5653837A (en) | 1979-10-09 | 1979-10-09 | Mouthpiece forming method of thin-walled pressure resistant vessel made of metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5653837A true JPS5653837A (en) | 1981-05-13 |
| JPS6236775B2 JPS6236775B2 (en) | 1987-08-08 |
Family
ID=15036609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13053579A Granted JPS5653837A (en) | 1979-02-13 | 1979-10-09 | Mouthpiece forming method of thin-walled pressure resistant vessel made of metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5653837A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101584U (en) * | 1985-12-18 | 1987-06-27 | ||
| JPS63180089U (en) * | 1987-05-12 | 1988-11-21 |
-
1979
- 1979-10-09 JP JP13053579A patent/JPS5653837A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6236775B2 (en) | 1987-08-08 |
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