JPS5785643A - Method for making mold - Google Patents
Method for making moldInfo
- Publication number
- JPS5785643A JPS5785643A JP16072780A JP16072780A JPS5785643A JP S5785643 A JPS5785643 A JP S5785643A JP 16072780 A JP16072780 A JP 16072780A JP 16072780 A JP16072780 A JP 16072780A JP S5785643 A JPS5785643 A JP S5785643A
- Authority
- JP
- Japan
- Prior art keywords
- molding
- sand
- mold
- pattern
- thence
- 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 minimize the amt. of moldig sand required for packing by using a molding flask having a min. required space between the same and a pattern shape and producig the mold by using oscillations and decompressing force.
CONSTITUTION: A mold pattern 1 with a molding board is placed on a molding flask 4 packed with packing such as concrete 6 or the like by having a space as much as the thickness of facing sand with respect to a pattern shape. Thence, molding sand 12 is charged through a molding sand feed port 3 into the cavity part 11 created by both thereof and is firmly and uniformly packed into the cavity part 11 by operating a vibration table 8 and the suction force through a vent pipe 10, a vent chamber 9 and a vent hole 7. Thence, the pattern is removed after hardening of the molding sand, whereby a mold 13 is obtained.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16072780A JPS5785643A (en) | 1980-11-17 | 1980-11-17 | Method for making mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16072780A JPS5785643A (en) | 1980-11-17 | 1980-11-17 | Method for making mold |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5785643A true JPS5785643A (en) | 1982-05-28 |
Family
ID=15721150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16072780A Pending JPS5785643A (en) | 1980-11-17 | 1980-11-17 | Method for making mold |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5785643A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0709149A1 (en) | 1994-10-07 | 1996-05-01 | Sintokogio, Ltd. | Apparatus and method for producing shell-like molds |
-
1980
- 1980-11-17 JP JP16072780A patent/JPS5785643A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0709149A1 (en) | 1994-10-07 | 1996-05-01 | Sintokogio, Ltd. | Apparatus and method for producing shell-like molds |
US5881794A (en) * | 1994-10-07 | 1999-03-16 | Sintokogio, Ltd. | Apparatus and method for producing shell-like molds |
CN1043316C (en) * | 1994-10-07 | 1999-05-12 | 新东工业株式会社 | Method and equipment for producing cope and drag molds |
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