JPS5623344A - Molding die of metal molding and production of its molding die - Google Patents
Molding die of metal molding and production of its molding dieInfo
- Publication number
- JPS5623344A JPS5623344A JP8607979A JP8607979A JPS5623344A JP S5623344 A JPS5623344 A JP S5623344A JP 8607979 A JP8607979 A JP 8607979A JP 8607979 A JP8607979 A JP 8607979A JP S5623344 A JPS5623344 A JP S5623344A
- Authority
- JP
- Japan
- Prior art keywords
- molding
- die
- pattern
- recess
- molding die
- 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
Landscapes
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To prevent the reaction of cast metal and molding components and improve workability by forming a heat-resistant film on the surface of molding dies.
CONSTITUTION: A pattern 1 is set in a die 4 and melt 10 of molding material is filled in a molding cavity 11 through the injection port 5 of an upper die 4a. The die 4 is then immersed in cold water to allow the melt 10 to solidify. Next, the die 4b, fixing base 9 and pattern 1 are removed, then a recess 6 corresponding to the outside shape of the pattern 1 is formed in a die 12. Then, a heat-resistant protecting film 7 is formed on the surface of the recess 6, after which the molding die material of silica base contg. a binder and a small amount of hardener is packed in the recess 6 and the fixing bed 9, die 4b are mounted to the dies 12, 4a and the filling is allowed to set. This yields the molding of the pattern 14 in which thus hardened material is used as base 13 and a film 7 is firmly stuck on the surface of this.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8607979A JPS5623344A (en) | 1979-07-07 | 1979-07-07 | Molding die of metal molding and production of its molding die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8607979A JPS5623344A (en) | 1979-07-07 | 1979-07-07 | Molding die of metal molding and production of its molding die |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5623344A true JPS5623344A (en) | 1981-03-05 |
Family
ID=13876691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8607979A Pending JPS5623344A (en) | 1979-07-07 | 1979-07-07 | Molding die of metal molding and production of its molding die |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5623344A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2700951A1 (en) * | 1993-02-03 | 1994-08-05 | Queroy Alain | Coating composition for dental casting |
-
1979
- 1979-07-07 JP JP8607979A patent/JPS5623344A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2700951A1 (en) * | 1993-02-03 | 1994-08-05 | Queroy Alain | Coating composition for dental casting |
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