JPS5577961A - Production of hollow metal cast ingot - Google Patents
Production of hollow metal cast ingotInfo
- Publication number
- JPS5577961A JPS5577961A JP15195778A JP15195778A JPS5577961A JP S5577961 A JPS5577961 A JP S5577961A JP 15195778 A JP15195778 A JP 15195778A JP 15195778 A JP15195778 A JP 15195778A JP S5577961 A JPS5577961 A JP S5577961A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- mold
- molten metal
- metal mold
- solidified shell
- 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 produce the stable and economical hollow metal cast ingot by dipping the skirt portion made of refractories of mold into molten metal then sucking or pushing up the molten metal in the mold to form a solidified shell and reflowing unfrozen molten metal.
CONSTITUTION: After the refractory skirt 2 at the bottom end of a metal mold 1 is dipped in molten metal 10, the inside of the metal mold 1 is immediately evacuated 7 to suck the metal 10 into the metal mold 1. At the top end of the metal 10 having been sucked, a dummy bar 8 is cast and at the same time the metal mold 1 is water-cooled to cause solidification in the lateral direction from its inside surface. After lapse of the specified time, the solidified shell 12 of the metal 10 is pulled by way of the metal mold 1 or dummy bar 8, by which the unsolidified molten metal 13 is returned into a holding ladle 11. On the other hand, the hollow blank which is closed at one end by the cast part of the dummy bar 8 is worked readily to pipe material with a suitable pipe making machine with said sealing part 14 being held attached or after it has been cut away. If a long-length blank is required, the molten metal is pushed up into the metal mold by making use of pressure, by which the solidified shell is formed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15195778A JPS5577961A (en) | 1978-12-11 | 1978-12-11 | Production of hollow metal cast ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15195778A JPS5577961A (en) | 1978-12-11 | 1978-12-11 | Production of hollow metal cast ingot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5577961A true JPS5577961A (en) | 1980-06-12 |
Family
ID=15529898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15195778A Pending JPS5577961A (en) | 1978-12-11 | 1978-12-11 | Production of hollow metal cast ingot |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5577961A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63165045A (en) * | 1986-12-26 | 1988-07-08 | Nippon Steel Corp | Manufacture of hollow metallic body |
| JP2012060887A (en) * | 2010-09-14 | 2012-03-29 | Zenri Tateyama | Marine organism-trapping basket |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4834731A (en) * | 1971-08-02 | 1973-05-22 | ||
| JPS4868425A (en) * | 1971-12-21 | 1973-09-18 |
-
1978
- 1978-12-11 JP JP15195778A patent/JPS5577961A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4834731A (en) * | 1971-08-02 | 1973-05-22 | ||
| JPS4868425A (en) * | 1971-12-21 | 1973-09-18 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63165045A (en) * | 1986-12-26 | 1988-07-08 | Nippon Steel Corp | Manufacture of hollow metallic body |
| JP2012060887A (en) * | 2010-09-14 | 2012-03-29 | Zenri Tateyama | Marine organism-trapping basket |
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