JPS63161485U - - Google Patents
Info
- Publication number
- JPS63161485U JPS63161485U JP5256687U JP5256687U JPS63161485U JP S63161485 U JPS63161485 U JP S63161485U JP 5256687 U JP5256687 U JP 5256687U JP 5256687 U JP5256687 U JP 5256687U JP S63161485 U JPS63161485 U JP S63161485U
- Authority
- JP
- Japan
- Prior art keywords
- pins
- mold
- disk cartridge
- floppy disk
- shell
- 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
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000007872 degassing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案の一実施例に係る磁気デイスク
カートリツジの上シエルをコアー側から見た図、
第２図は従来の磁気デイスクカセツトで上シエル
側から見た図、第３図は同側面図、第４図は同下
シエル側から見た図、第５図は従来の磁気デイス
クカートリツジで上シエルをキヤビテイー側から
見た図で上シエルの表面、第６図は第５図を裏側
から見た図で上シエルの裏面、第７図は第５図に
ウエルドラインを記入した説明図である。
１ａ，１ｂ，１ｃ，１ｄ……ゲート、２，３，
４，５……上シエル中央部入れ子、６ａ，６ｂ，
６ｃ，６ｄ……突き出しピン、７……ガス抜き用
入れ子ピン、１０……中央部、Ｗ……ウエルドラ
イン。
FIG. 1 is a view of the upper shell of a magnetic disk cartridge according to an embodiment of the present invention, viewed from the core side;
Figure 2 is a view of a conventional magnetic disk cassette viewed from the upper shell side, Figure 3 is a side view of the same, Figure 4 is a view of the same as seen from the lower shell side, and Figure 5 is a view of a conventional magnetic disk cartridge. Figure 6 is a view of the upper shell viewed from the cavity side, and is the front side of the upper shell. Figure 6 is a view of Figure 5, viewed from the back, and is the back side of the upper shell. Figure 7 is an explanatory diagram with the weld line drawn in Figure 5. be. 1a, 1b, 1c, 1d...gate, 2, 3,
4, 5...upper shell center nest, 6a, 6b,
6c, 6d... Ejection pin, 7... Nesting pin for degassing, 10... Center part, W... Weld line.
Claims (1)
クを収容するフロツピーデイスクカートリツジの
４点ゲートから樹脂を注入して成形する上シエル
の射出成形金型において、ガス焼けを発生し易い
シエル内面中央部を形成する金型部分に直径４mm
以下の入れ子ピンを複数個並置するか又は突き出
しピンと並置し、これらのピンの縁と縁との間隔
が１mm乃至２mmであることを特徴とするフロツピ
ーデイスクカートリツジ用金型。 In the injection mold for the upper shell, which is formed by injecting resin through the 4-point gate of a floppy disk cartridge that houses a magnetic disk and consists of a pair of upper and lower shells, the center of the inner surface of the shell, where gas burns are likely to occur, is The diameter of the mold part that forms the part is 4 mm.
A mold for a floppy disk cartridge, characterized in that a plurality of the following nesting pins are arranged side by side or ejector pins are placed side by side, and the interval between the edges of these pins is 1 mm to 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5256687U JPH0525115Y2 (en) | 1987-04-07 | 1987-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5256687U JPH0525115Y2 (en) | 1987-04-07 | 1987-04-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63161485U true JPS63161485U (en) | 1988-10-21 |
| JPH0525115Y2 JPH0525115Y2 (en) | 1993-06-24 |
Family
ID=30877847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5256687U Expired - Lifetime JPH0525115Y2 (en) | 1987-04-07 | 1987-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0525115Y2 (en) |
-
1987
- 1987-04-07 JP JP5256687U patent/JPH0525115Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0525115Y2 (en) | 1993-06-24 |
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