JPH0254519U - - Google Patents
Info
- Publication number
- JPH0254519U JPH0254519U JP13310788U JP13310788U JPH0254519U JP H0254519 U JPH0254519 U JP H0254519U JP 13310788 U JP13310788 U JP 13310788U JP 13310788 U JP13310788 U JP 13310788U JP H0254519 U JPH0254519 U JP H0254519U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- diameter
- injection mold
- cavity
- fixed
- 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 1
- 230000003287 optical effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
第1図は、本考案の射出成形用金型の一実施例
の断面図、第2図は、第1図に示すキヤビテイ7
の形状を詳細に示すための簡略断面図、第3図は
、従来公知の射出成形用金型の断面図、第4図は
、第3図に示すキヤビテイ17の形状を詳細に示
すための簡略断面図である。
1:射出成形用金型、2:固定金型、3:可動
金型、4:スタンパ押えリング、5:スタンパ、
6:スプルブツシユ、7:キヤビテイ、11:射
出成形用金型、12:固定金型、13:可動金型
、14:スタンパ押えリング、15:スタンパ、
16:スプルブツシユ、17:キヤビテイ。
FIG. 1 is a sectional view of an embodiment of the injection mold of the present invention, and FIG. 2 is a sectional view of the cavity 7 shown in FIG. 1.
3 is a sectional view of a conventionally known injection mold, and FIG. 4 is a simplified sectional view showing in detail the shape of the cavity 17 shown in FIG. 3. FIG. 1: Injection mold, 2: Fixed mold, 3: Movable mold, 4: Stamper holding ring, 5: Stamper,
6: Sprue bush, 7: Cavity, 11: Injection mold, 12: Fixed mold, 13: Movable mold, 14: Stamper holding ring, 15: Stamper,
16: Spurbutsuyu, 17: Cavity.
Claims (1)
るための射出成形用金型であつて、少なくとも固
定金型、可動金型及びスタンパ押えリングからな
り、キヤビテイが、その固定金型側の直径がその
可動金型側の直径よりも小さくなるように形成さ
れていることを特徴とする射出成形用金型。 An injection mold for molding an optical disk substrate made of thermoplastic resin, which consists of at least a fixed mold, a movable mold, and a stamper holding ring, and the cavity has a diameter on the side of the fixed mold. An injection mold characterized by being formed to have a diameter smaller than the diameter of the mold side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13310788U JPH0254519U (en) | 1988-10-12 | 1988-10-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13310788U JPH0254519U (en) | 1988-10-12 | 1988-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0254519U true JPH0254519U (en) | 1990-04-19 |
Family
ID=31390679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13310788U Pending JPH0254519U (en) | 1988-10-12 | 1988-10-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0254519U (en) |
-
1988
- 1988-10-12 JP JP13310788U patent/JPH0254519U/ja active Pending