JPS564343A - Method of manufacturing mold - Google Patents
Method of manufacturing moldInfo
- Publication number
- JPS564343A JPS564343A JP7819079A JP7819079A JPS564343A JP S564343 A JPS564343 A JP S564343A JP 7819079 A JP7819079 A JP 7819079A JP 7819079 A JP7819079 A JP 7819079A JP S564343 A JPS564343 A JP S564343A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- sand
- collapsing property
- poor
- manufacturing
- 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)
Abstract
PURPOSE: To make the mold part of poor collapsing property repeatedly usable and improve working efficiency by manufacturing the portions near those in contact with the casting and other portions by molding sand of good collapsing property and that of poor collapsing property, respectively, in the manufacturing method of mold by sand mold.
CONSTITUTION: The mold in a molding flask 1 consists of molds 5, 6 and the former is the mold of so called "good collapsing property", for example, the sand mold using organic-base binders of furan resin or the like. The latter is the mold of poor collapsing property, for example, the sand mold using inorganic-base binders such as N process sand. A suitable draft is given between the molds 5, 6. At the time of the knocking-out after pouring, only the portion of the mold 5 is taken out and the mold 6 may be repeatedly used together with the molding flask.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7819079A JPS564343A (en) | 1979-06-22 | 1979-06-22 | Method of manufacturing mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7819079A JPS564343A (en) | 1979-06-22 | 1979-06-22 | Method of manufacturing mold |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS564343A true JPS564343A (en) | 1981-01-17 |
Family
ID=13655059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7819079A Pending JPS564343A (en) | 1979-06-22 | 1979-06-22 | Method of manufacturing mold |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS564343A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620582A (en) * | 1983-07-01 | 1986-11-04 | Mueller Spaeth Gerhard | Process for producing a casting mould and cast members |
EP1531021A1 (en) * | 2003-11-05 | 2005-05-18 | Deutsche Giesserei- und Industrie-Holding AG | Casting process for producing a casting piece |
CN104338897A (en) * | 2013-07-31 | 2015-02-11 | 朱保全 | Balloon hollow molding method |
-
1979
- 1979-06-22 JP JP7819079A patent/JPS564343A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620582A (en) * | 1983-07-01 | 1986-11-04 | Mueller Spaeth Gerhard | Process for producing a casting mould and cast members |
EP1531021A1 (en) * | 2003-11-05 | 2005-05-18 | Deutsche Giesserei- und Industrie-Holding AG | Casting process for producing a casting piece |
CN104338897A (en) * | 2013-07-31 | 2015-02-11 | 朱保全 | Balloon hollow molding method |
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