JPS5739042A - Working method of bulge and pattern or the like for long tube using molten metal as pressure medium - Google Patents
Working method of bulge and pattern or the like for long tube using molten metal as pressure mediumInfo
- Publication number
- JPS5739042A JPS5739042A JP11561280A JP11561280A JPS5739042A JP S5739042 A JPS5739042 A JP S5739042A JP 11561280 A JP11561280 A JP 11561280A JP 11561280 A JP11561280 A JP 11561280A JP S5739042 A JPS5739042 A JP S5739042A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- molten metal
- pattern
- valve
- bulge
- 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
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
PURPOSE: To form bulges, patterns etc. simply on the surface of a tube by forcing molten metal into a tube to be worked held between upper and lower molds to which a pattern is engraved and expanding the molten metal.
CONSTITUTION: A pressure converter 9 and upper and lower molds 2, 3 are heated to softening temperature of the tube to be worked. The tube 1 is set to the upper and lower molds 2, 3 that form a bulge or pattern 4 in the inside and heated to softening temperature. Inside of the tube 1 is made airtight by actuating seal units 5, 5', and molten metal is forced into the tube 1 through a valve 7. When the valve is filled up, the valve 7 and an outlet valve 14 are closed, a piston 8 is retreated and molten metal is filled in the pressure converter 10. Next, high-pressure molten metal in the pressure converter 10 is sent into the tube 1 by actuating a hydraulic cylinder 11 to form a bulge or pattern 4 on the surface of the tube. When forming is completed, molten metal is discharged, and high-pressure inert gas is sent in from a valve 7' to discharge molten metal contained in the tube 1.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11561280A JPS5739042A (en) | 1980-08-21 | 1980-08-21 | Working method of bulge and pattern or the like for long tube using molten metal as pressure medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11561280A JPS5739042A (en) | 1980-08-21 | 1980-08-21 | Working method of bulge and pattern or the like for long tube using molten metal as pressure medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5739042A true JPS5739042A (en) | 1982-03-04 |
Family
ID=14666953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11561280A Pending JPS5739042A (en) | 1980-08-21 | 1980-08-21 | Working method of bulge and pattern or the like for long tube using molten metal as pressure medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5739042A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104438541A (en) * | 2014-12-08 | 2015-03-25 | 无锡朗贤汽车组件研发中心有限公司 | Inflatable hot forming tube-producing equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53130229A (en) * | 1977-04-20 | 1978-11-14 | Nat Res Inst Metals | Complex machining method of metal |
JPS5428262A (en) * | 1977-08-05 | 1979-03-02 | Nat Res Inst Metals | Composite process of superplastic metal |
-
1980
- 1980-08-21 JP JP11561280A patent/JPS5739042A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53130229A (en) * | 1977-04-20 | 1978-11-14 | Nat Res Inst Metals | Complex machining method of metal |
JPS5428262A (en) * | 1977-08-05 | 1979-03-02 | Nat Res Inst Metals | Composite process of superplastic metal |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104438541A (en) * | 2014-12-08 | 2015-03-25 | 无锡朗贤汽车组件研发中心有限公司 | Inflatable hot forming tube-producing equipment |
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