JPH0463214U - - Google Patents
Info
- Publication number
- JPH0463214U JPH0463214U JP10561690U JP10561690U JPH0463214U JP H0463214 U JPH0463214 U JP H0463214U JP 10561690 U JP10561690 U JP 10561690U JP 10561690 U JP10561690 U JP 10561690U JP H0463214 U JPH0463214 U JP H0463214U
- Authority
- JP
- Japan
- Prior art keywords
- central core
- injection mold
- plate
- back walls
- injection
- 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
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図は、本考案の一実施態様である射出成形
用金型の一部斜視図、第２図は第１図のＡ−Ａ線
に沿つた部分の断面図、第３図は第２図のＦ−Ｆ
線に沿つた部分の断面図、第４図は３．５インチ
マイクロフロツピイデイスクの平面図、第５図は
第４図におけるＤ−Ｄ線に沿つた部分に対応した
シヤツター成形用金型の断面図である。
図中の符号、１，２……スライドコア、３……
中央コア、４……上部金型、５……凸部、６……
保持ピン、９……ゲート、１０……射出空間、１
２……上ハーフシエル、１３……下ハーフシエル
、１４……センターコア、１５……磁気デイスク
、１７……カートリツジケースの開口、１８……
磁気ヘツド挿入用開口、２１……マイクロフロツ
ピイデイスク、２２……シヤツター、１８……開
口窓、１１……摺動領域部。
FIG. 1 is a partial perspective view of an injection mold that is an embodiment of the present invention, FIG. 2 is a cross-sectional view of a portion taken along line A-A in FIG. 1, and FIG. F-F in the diagram
4 is a plan view of a 3.5-inch micro floppy disk, and FIG. 5 is a shutter molding die corresponding to the section taken along line D-D in FIG. 4. FIG. Codes in the diagram: 1, 2...slide core, 3...
Central core, 4... Upper mold, 5... Convex portion, 6...
Holding pin, 9... Gate, 10... Injection space, 1
2... Upper half shell, 13... Lower half shell, 14... Center core, 15... Magnetic disk, 17... Cartridge case opening, 18...
Magnetic head insertion opening, 21...micro floppy disk, 22...shutter, 18...opening window, 11...sliding area portion.
Claims (1)
射出空間に溶融した合成樹脂を射出し、該中央コ
アの両側に対面する板状の部分を有する板材を成
形する射出成形用金型において、前記中央コアの
非固定の部分が、該中央コアの表裏側壁に対して
略直角方向に移動可能でかつ該表裏側壁の両方か
ら対向する位置に設けられた保持ピンにより保持
できるように構成されたことを特徴とする射出成
形用金型。 (2) 前記中央コアは弾性率が３×１０４（Kg／m
m2）以上の材料にて形成された請求項１に記載の
射出成形用金型。[Claims for Utility Model Registration] (1) A plate material in which molten synthetic resin is injected into an injection space in which a plate-shaped central core is arranged approximately at the center, and plate-shaped parts face both sides of the central core. In an injection mold for molding, the non-fixed portion of the central core is movable in a direction substantially perpendicular to the front and back walls of the central core, and is provided at a position facing from both the front and back walls. An injection mold, characterized in that it is configured to be held by a holding pin. (2) The central core has an elastic modulus of 3×10 4 (Kg/m
The injection mold according to claim 1, which is made of a material of m2 ) or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10561690U JPH0463214U (en) | 1990-10-09 | 1990-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10561690U JPH0463214U (en) | 1990-10-09 | 1990-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0463214U true JPH0463214U (en) | 1992-05-29 |
Family
ID=31851371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10561690U Pending JPH0463214U (en) | 1990-10-09 | 1990-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0463214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10286844A (en) * | 1997-04-17 | 1998-10-27 | Tohoku Munekata Kk | Method for injection-molding a small hole in a part of a molded product and injection molding die used in this molding method |
-
1990
- 1990-10-09 JP JP10561690U patent/JPH0463214U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10286844A (en) * | 1997-04-17 | 1998-10-27 | Tohoku Munekata Kk | Method for injection-molding a small hole in a part of a molded product and injection molding die used in this molding method |
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