JPS5540046A - Hydrostatic bulge forming method of shell - Google Patents
Hydrostatic bulge forming method of shellInfo
- Publication number
- JPS5540046A JPS5540046A JP11231978A JP11231978A JPS5540046A JP S5540046 A JPS5540046 A JP S5540046A JP 11231978 A JP11231978 A JP 11231978A JP 11231978 A JP11231978 A JP 11231978A JP S5540046 A JPS5540046 A JP S5540046A
- Authority
- JP
- Japan
- Prior art keywords
- shell
- thin
- forming method
- tubular body
- hydrostatic
- 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
Abstract
PURPOSE: To form protrusions with good workability without using any female dies by beforehand forming the intended molding portions of a shell of hollow inside thinner than the non-molding portion and letting liquid pressure be acted from the inside.
CONSTITUTION: Both end openings 4, 4 of a tubular body 3 provided with thin- walled portions 2, 2 are hermetically sealed with axial load dies 5, 5 and high pressure working fluid 6 is force fed into the tubular body 3. The liquid pressure 6a of the fluid 6 causes the thin-walled portions 2, 2 to bulge outward in annular form, whereby, e.g. a bellows 7 is hydrostatic bulge formed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11231978A JPS5540046A (en) | 1978-09-14 | 1978-09-14 | Hydrostatic bulge forming method of shell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11231978A JPS5540046A (en) | 1978-09-14 | 1978-09-14 | Hydrostatic bulge forming method of shell |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5540046A true JPS5540046A (en) | 1980-03-21 |
Family
ID=14583686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11231978A Pending JPS5540046A (en) | 1978-09-14 | 1978-09-14 | Hydrostatic bulge forming method of shell |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5540046A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61245922A (en) * | 1985-04-22 | 1986-11-01 | Kawasaki Heavy Ind Ltd | Bellows forming method |
DE4320656A1 (en) * | 1993-06-22 | 1995-01-05 | Schaefer Maschbau Wilhelm | Method for the production of a tubular girder or the like |
KR100584489B1 (en) | 2005-03-30 | 2006-05-29 | 주식회사 성우하이텍 | A hydro-forming system |
-
1978
- 1978-09-14 JP JP11231978A patent/JPS5540046A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61245922A (en) * | 1985-04-22 | 1986-11-01 | Kawasaki Heavy Ind Ltd | Bellows forming method |
DE4320656A1 (en) * | 1993-06-22 | 1995-01-05 | Schaefer Maschbau Wilhelm | Method for the production of a tubular girder or the like |
DE4320656B4 (en) * | 1993-06-22 | 2005-07-07 | Schuler Hydroforming Gmbh & Co. Kg | Application of the known hydroforming process |
KR100584489B1 (en) | 2005-03-30 | 2006-05-29 | 주식회사 성우하이텍 | A hydro-forming system |
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