JPH02104143U - - Google Patents
Info
- Publication number
- JPH02104143U JPH02104143U JP1202889U JP1202889U JPH02104143U JP H02104143 U JPH02104143 U JP H02104143U JP 1202889 U JP1202889 U JP 1202889U JP 1202889 U JP1202889 U JP 1202889U JP H02104143 U JPH02104143 U JP H02104143U
- Authority
- JP
- Japan
- Prior art keywords
- core
- resin
- advance
- heating
- utility
- 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
- 239000004115 Sodium Silicate Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims 1
- 229910052911 sodium silicate Inorganic materials 0.000 claims 1
Landscapes
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
第１図は本考案の一実施例を示す正面図、第２
図は同Ａ―Ａ断面図である。
１―中子、２―含浸層。
Figure 1 is a front view showing one embodiment of the present invention;
The figure is a sectional view taken along line AA. 1-core, 2-impregnated layer.
Claims (1)
とも表面に、けい酸ソーダ溶液の含浸層を形成し
たのち、加熱処理して予め樹脂よりガスを発生さ
せてなるシエル中子。 A shell core is formed by forming an impregnated layer of a sodium silicate solution on at least the surface of a core molded into an appropriate shape using resin-mixed sand, and then heating the core to generate gas from the resin in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1202889U JPH02104143U (en) | 1989-02-02 | 1989-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1202889U JPH02104143U (en) | 1989-02-02 | 1989-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02104143U true JPH02104143U (en) | 1990-08-20 |
Family
ID=31221103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1202889U Pending JPH02104143U (en) | 1989-02-02 | 1989-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02104143U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61176439A (en) * | 1985-02-01 | 1986-08-08 | Mitsubishi Heavy Ind Ltd | Production of ceramic core |
| JPS63264246A (en) * | 1987-04-20 | 1988-11-01 | Asahi Malleable Iron Co Ltd | Production of core for casting |
-
1989
- 1989-02-02 JP JP1202889U patent/JPH02104143U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61176439A (en) * | 1985-02-01 | 1986-08-08 | Mitsubishi Heavy Ind Ltd | Production of ceramic core |
| JPS63264246A (en) * | 1987-04-20 | 1988-11-01 | Asahi Malleable Iron Co Ltd | Production of core for casting |