JPS6235853B2 - - Google Patents
Info
- Publication number
- JPS6235853B2 JPS6235853B2 JP56069842A JP6984281A JPS6235853B2 JP S6235853 B2 JPS6235853 B2 JP S6235853B2 JP 56069842 A JP56069842 A JP 56069842A JP 6984281 A JP6984281 A JP 6984281A JP S6235853 B2 JPS6235853 B2 JP S6235853B2
- Authority
- JP
- Japan
- Prior art keywords
- annular
- diameter
- cylindrical member
- hopper
- approximately equal
- 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
- 239000003110 molding sand Substances 0.000 claims description 14
- 230000006837 decompression Effects 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56069842A JPS57184550A (en) | 1981-05-09 | 1981-05-09 | Hopper device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56069842A JPS57184550A (en) | 1981-05-09 | 1981-05-09 | Hopper device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57184550A JPS57184550A (en) | 1982-11-13 |
JPS6235853B2 true JPS6235853B2 (it) | 1987-08-04 |
Family
ID=13414454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56069842A Granted JPS57184550A (en) | 1981-05-09 | 1981-05-09 | Hopper device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57184550A (it) |
-
1981
- 1981-05-09 JP JP56069842A patent/JPS57184550A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57184550A (en) | 1982-11-13 |
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