JPS6241825B2 - - Google Patents
Info
- Publication number
- JPS6241825B2 JPS6241825B2 JP52154116A JP15411677A JPS6241825B2 JP S6241825 B2 JPS6241825 B2 JP S6241825B2 JP 52154116 A JP52154116 A JP 52154116A JP 15411677 A JP15411677 A JP 15411677A JP S6241825 B2 JPS6241825 B2 JP S6241825B2
- Authority
- JP
- Japan
- Prior art keywords
- hopper
- frame
- sand
- metal frame
- dust collection
- 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.)
- Expired
Links
- 239000004576 sand Substances 0.000 claims description 28
- 239000000428 dust Substances 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 description 7
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15411677A JPS5485118A (en) | 1977-12-21 | 1977-12-21 | Frame unbinding apparatus in vacuum process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15411677A JPS5485118A (en) | 1977-12-21 | 1977-12-21 | Frame unbinding apparatus in vacuum process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5485118A JPS5485118A (en) | 1979-07-06 |
| JPS6241825B2 true JPS6241825B2 (enExample) | 1987-09-04 |
Family
ID=15577264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15411677A Granted JPS5485118A (en) | 1977-12-21 | 1977-12-21 | Frame unbinding apparatus in vacuum process |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5485118A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0272324U (enExample) * | 1988-11-17 | 1990-06-01 |
-
1977
- 1977-12-21 JP JP15411677A patent/JPS5485118A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0272324U (enExample) * | 1988-11-17 | 1990-06-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5485118A (en) | 1979-07-06 |
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