JPS5750238A - Gas generator for gas hardening type molding device - Google Patents
Gas generator for gas hardening type molding deviceInfo
- Publication number
- JPS5750238A JPS5750238A JP12763880A JP12763880A JPS5750238A JP S5750238 A JPS5750238 A JP S5750238A JP 12763880 A JP12763880 A JP 12763880A JP 12763880 A JP12763880 A JP 12763880A JP S5750238 A JPS5750238 A JP S5750238A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- reduced pressure
- pressure chamber
- molding flask
- inlet pipe
- 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
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To prevent leakage of gas by connecting a gas supply pipe installed along with an air inlet pipe of a closed gas generating container to a molding flask provided with a reduced pressure chamber, and thereby sucking supplied gas to the reduced pressure chamber through casting sand in the molding flask.
CONSTITUTION: An air inlet pipe 20 having plural small holes 18, with upper end projected to outside and lower end submerged in solution 19 in L-shape is installed in a closed gas generating container and connected to a valve 17. A gas supply pipe 15 is installed adjoining to and parallel with the inlet pipe 20, and its lower end is opened to a space in the container 16 and upper end is connected to a gas supply hole 11 of a cover 9 that covers airtightly a molding flask 6 on a pattern plate 1 provided with a reduced pressure chamber 2 through a conduit 14. When the gas in the gas generating container 16 is sucked to the molding flask 6 through the supply pipe 15 and conduit 14 by actuating a vacuum pump, the gas is sucked and removed through casting sand 8, the vent 3, reduced pressure chamber 2 and suction pipe 23.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12763880A JPS5750238A (en) | 1980-09-12 | 1980-09-12 | Gas generator for gas hardening type molding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12763880A JPS5750238A (en) | 1980-09-12 | 1980-09-12 | Gas generator for gas hardening type molding device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5750238A true JPS5750238A (en) | 1982-03-24 |
Family
ID=14965041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12763880A Pending JPS5750238A (en) | 1980-09-12 | 1980-09-12 | Gas generator for gas hardening type molding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5750238A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4832054A (en) * | 1971-08-30 | 1973-04-27 | ||
JPS4840528A (en) * | 1971-09-16 | 1973-06-14 |
-
1980
- 1980-09-12 JP JP12763880A patent/JPS5750238A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4832054A (en) * | 1971-08-30 | 1973-04-27 | ||
JPS4840528A (en) * | 1971-09-16 | 1973-06-14 |
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