JPS5732846A - Method for coating which seals clearance between mold - Google Patents
Method for coating which seals clearance between moldInfo
- Publication number
- JPS5732846A JPS5732846A JP10965580A JP10965580A JPS5732846A JP S5732846 A JPS5732846 A JP S5732846A JP 10965580 A JP10965580 A JP 10965580A JP 10965580 A JP10965580 A JP 10965580A JP S5732846 A JPS5732846 A JP S5732846A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- slurry
- molds
- coating layer
- coating
- 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)
Abstract
PURPOSE: To form a coating layer on the inner surface of a mold and to seal a clearance in the mold so as to prevent the mold from occurrence of burr and to make the casting surface beautiful and to improve the productivity, by injecting slurry into the mold and then drying the slurry after a certain time, then, excessive slurry is removed.
CONSTITUTION: A slurry 6 mainly composed of a refractory material and a plastic inorganic matter is injected into assembled top and bottom molds 1 and 2 through a sprue 7. When the condition is left as it is for a while, the moisture contained in the slurry is absorbed into molds 1 and 2, and a hardened coating layer 8 is formed on the inner wall of the molds. The layer completely seals the joint between molds 1 and 2 by packing the joint with the material, and a smooth surface is formed by coating the inner surface of mold. Then, the mold is tilted and excessive slurry 6 is discharged and are dried by means of a heating furnace or a hot air, then a coating layer 9 of hard, with no crack, and is formed into one body with the mold is obtained.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55109655A JPS5832020B2 (en) | 1980-08-08 | 1980-08-08 | Coating method to seal the mold gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55109655A JPS5832020B2 (en) | 1980-08-08 | 1980-08-08 | Coating method to seal the mold gap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5732846A true JPS5732846A (en) | 1982-02-22 |
| JPS5832020B2 JPS5832020B2 (en) | 1983-07-09 |
Family
ID=14515787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55109655A Expired JPS5832020B2 (en) | 1980-08-08 | 1980-08-08 | Coating method to seal the mold gap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5832020B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016140876A (en) * | 2015-01-30 | 2016-08-08 | 三菱重工航空エンジン株式会社 | Method for manufacturing mold for precision casting |
| JP6103617B1 (en) * | 2016-08-12 | 2017-03-29 | 株式会社アクティ | A pair of molds and a manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336814A (en) * | 1976-09-13 | 1978-04-05 | Nippon Sharyo Seizo Kk | Lowwfloor electric vehicle |
-
1980
- 1980-08-08 JP JP55109655A patent/JPS5832020B2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336814A (en) * | 1976-09-13 | 1978-04-05 | Nippon Sharyo Seizo Kk | Lowwfloor electric vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016140876A (en) * | 2015-01-30 | 2016-08-08 | 三菱重工航空エンジン株式会社 | Method for manufacturing mold for precision casting |
| JP6103617B1 (en) * | 2016-08-12 | 2017-03-29 | 株式会社アクティ | A pair of molds and a manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5832020B2 (en) | 1983-07-09 |
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