JPS5750243A - Method for making mold using gaseous carbon dioxide - Google Patents
Method for making mold using gaseous carbon dioxideInfo
- Publication number
- JPS5750243A JPS5750243A JP12442580A JP12442580A JPS5750243A JP S5750243 A JPS5750243 A JP S5750243A JP 12442580 A JP12442580 A JP 12442580A JP 12442580 A JP12442580 A JP 12442580A JP S5750243 A JPS5750243 A JP S5750243A
- Authority
- JP
- Japan
- Prior art keywords
- sand
- carbon dioxide
- gaseous carbon
- pattern
- flask
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/12—Treating moulds or cores, e.g. drying, hardening
- B22C9/123—Gas-hardening
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE:To utilize a supply gas without leaking and reduce the consumption of the gas by hardening the mulled sand packed in a molding flask by the gas ejecting from the pattern part of a pattern plate. CONSTITUTION:Plural fine holes 3 communicating with a hollow chamber 2 and ejecting gaseous carbon dioxide are provided in the suitable positions of a pattern part 4 formed on the surface of a pattern plate 1. Next, a molding flask 5 is placed on the top surface of the plate 1, and mulled sand 6 prepd. by adding molding sand to water glass and mulling the mixture is packed in the flask 5. When gaseous carbon dioxide is supplied for a required time into the chamber 2 after this, the gaseous carbon dioxide is ejected through the holes 3 into the flask 5, and part thereof penetrates and flows through the inside of the sand 6 and is released into the atmosphere. The rest flows into the clearances between the sand 6 and the pattern 1, and spreads on the surface of the plate 1, that is, the surface of the pattern part 4, after which it flows through the inside of the sand 6 and is released into the atmosphere. Hence, the gaseous carbon dioxide ejected from the hole 3 is fully used for hardening of the sand 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12442580A JPS5750243A (en) | 1980-09-08 | 1980-09-08 | Method for making mold using gaseous carbon dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12442580A JPS5750243A (en) | 1980-09-08 | 1980-09-08 | Method for making mold using gaseous carbon dioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5750243A true JPS5750243A (en) | 1982-03-24 |
Family
ID=14885161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12442580A Pending JPS5750243A (en) | 1980-09-08 | 1980-09-08 | Method for making mold using gaseous carbon dioxide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5750243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523795A (en) * | 1991-07-19 | 1993-02-02 | Shigeo Yoshida | Method for curing sand in molding process for sand mold |
| JPH07319027A (en) * | 1995-04-10 | 1995-12-08 | Canon Inc | Lens device |
-
1980
- 1980-09-08 JP JP12442580A patent/JPS5750243A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523795A (en) * | 1991-07-19 | 1993-02-02 | Shigeo Yoshida | Method for curing sand in molding process for sand mold |
| JPH07319027A (en) * | 1995-04-10 | 1995-12-08 | Canon Inc | Lens device |
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