JPS5744446A - Production of mold - Google Patents
Production of moldInfo
- Publication number
- JPS5744446A JPS5744446A JP11136380A JP11136380A JPS5744446A JP S5744446 A JPS5744446 A JP S5744446A JP 11136380 A JP11136380 A JP 11136380A JP 11136380 A JP11136380 A JP 11136380A JP S5744446 A JPS5744446 A JP S5744446A
- Authority
- JP
- Japan
- Prior art keywords
- sand
- submolds
- mold
- burning
- molding
- 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.)
- Granted
Links
Landscapes
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To reduce the use of costly burning resistance sand and to improve burning resistance with simple molding work by removing a master mold and submolds after molding sand has set, and coating the burning resistant sand on the surface of the mold after removal of the submolds.
CONSTITUTION: Submolds 2 are projectively fitted in proper places on the surface of a master mold 1 in contact therewith. This is disposed in a molding flask 3, and ordinary molding sand 4 is built up on the surface of a wooden pattern. Backing sand 5 is filled on the outer circumferential side thereof and the sands 4 and 5 are allowed to harden. Thence, the master mold 1 and the submolds 2 are removed, and burning resistant sand 7 such as zircon sand or chromite sand is coated in the recesses 6 on the mold surface after removal of the submolds 2 to shape the surface, whereby the mold of good burning resistance is obtained.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11136380A JPS595381B2 (en) | 1980-08-12 | 1980-08-12 | Mold manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11136380A JPS595381B2 (en) | 1980-08-12 | 1980-08-12 | Mold manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5744446A true JPS5744446A (en) | 1982-03-12 |
JPS595381B2 JPS595381B2 (en) | 1984-02-04 |
Family
ID=14559289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11136380A Expired JPS595381B2 (en) | 1980-08-12 | 1980-08-12 | Mold manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS595381B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61122877U (en) * | 1985-01-21 | 1986-08-02 |
-
1980
- 1980-08-12 JP JP11136380A patent/JPS595381B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS595381B2 (en) | 1984-02-04 |
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