JPS6372006U - - Google Patents
Info
- Publication number
- JPS6372006U JPS6372006U JP16788786U JP16788786U JPS6372006U JP S6372006 U JPS6372006 U JP S6372006U JP 16788786 U JP16788786 U JP 16788786U JP 16788786 U JP16788786 U JP 16788786U JP S6372006 U JPS6372006 U JP S6372006U
- Authority
- JP
- Japan
- Prior art keywords
- utility
- model registration
- casting mold
- coating
- mold
- 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
- Producing Shaped Articles From Materials (AREA)
Description
第１図は本考案に係る鋳込成形型を示す斜視図
、第２図は同成形型で成形したＴ字管の形状を示
す斜視図、第３図は本考案の実施例における型表
面の多孔被膜の貫通孔の平均径と石膏型の寿命の
関係を示した図、第４図は本考案の実施例におけ
る型表面の多孔被膜の貫通孔の平均径と鋳込所要
時間の関係を示した図、第５図は本考案の実施例
における多孔被膜の厚さと鋳込所要時間及び膜の
施工からはく離までの使用回数の関係を示した図
、第６図は本考案の実施例と従来例における鋳込
成形体の破損率を比較した図である。
１……鋳込成形型、３……選択透過性被膜。
Fig. 1 is a perspective view showing a casting mold according to the present invention, Fig. 2 is a perspective view showing the shape of a T-tube molded with the same mold, and Fig. 3 is a perspective view of the mold surface in an embodiment of the present invention. Figure 4 shows the relationship between the average diameter of the through holes in the porous coating and the life of the plaster mold, and Figure 4 shows the relationship between the average diameter of the through holes in the porous coating on the mold surface and the required casting time in an embodiment of the present invention. Figure 5 is a diagram showing the relationship between the thickness of the porous coating, the casting time, and the number of times the membrane is used from construction to peeling in an embodiment of the present invention, and Figure 6 is a diagram showing the relationship between the thickness of the porous coating in an embodiment of the present invention and the number of times the film is used from construction to peeling. It is a figure which compares the breakage rate of the cast molded object in an example. 1... Casting mold, 3... Permselective coating.
Claims (1)
媒は透過させ、添加剤は遮断する選択透過性被膜
を形成したことを特徴とする鋳込成形型。 (2) 実用新案登録請求の範囲第１項において、
選択透過性被膜が孔径が０．００３〜３μｍの範
囲の貫通孔を有する多孔被膜である鋳込成形型。 (3) 実用新案登録請求範囲第１項又は第２項に
おいて、選択透過性被膜がアクリル酸エチル―メ
タクリル酸メチル共重合体、ポリビニルアルコー
ル―アクリロニトリル系グラフト共重合体、ポリ
ビニルアルコール―メタクリル酸メチル―アクリ
ル酸メチルグラフト共重合体などの親水性高分子
エマルジヨンフイルムである鋳込成形型。 (4) 実用新案登録請求範囲第１項、第２項又は
第３項において、選択透過性被膜の膜厚が０．１
〜５００μｍの範囲内である鋳込成形型。[Claims for Utility Model Registration] (1) A casting mold characterized in that a selectively permeable film is formed on the surface of the mold to allow the dispersion medium among the components of the slurry to pass through, but to block the additives. (2) In paragraph 1 of the claims for utility model registration,
A casting mold in which the permselective coating is a porous coating having through-holes with a pore diameter in the range of 0.003 to 3 μm. (3) In claim 1 or 2 of the utility model registration, the permselective coating is an ethyl acrylate-methyl methacrylate copolymer, a polyvinyl alcohol-acrylonitrile graft copolymer, or a polyvinyl alcohol-methyl methacrylate copolymer. A casting mold that is a hydrophilic polymer emulsion film such as methyl acrylate graft copolymer. (4) In claim 1, 2, or 3 of the utility model registration, the thickness of the permselective coating is 0.1
A casting mold within the range of ~500 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16788786U JPS6372006U (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16788786U JPS6372006U (en) | 1986-10-31 | 1986-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372006U true JPS6372006U (en) | 1988-05-14 |
Family
ID=31100243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16788786U Pending JPS6372006U (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372006U (en) |
-
1986
- 1986-10-31 JP JP16788786U patent/JPS6372006U/ja active Pending
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