JPS6425111U - - Google Patents
Info
- Publication number
- JPS6425111U JPS6425111U JP11954687U JP11954687U JPS6425111U JP S6425111 U JPS6425111 U JP S6425111U JP 11954687 U JP11954687 U JP 11954687U JP 11954687 U JP11954687 U JP 11954687U JP S6425111 U JPS6425111 U JP S6425111U
- Authority
- JP
- Japan
- Prior art keywords
- disk base
- mold
- information recording
- molding
- 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 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims 3
- 238000000465 moulding Methods 0.000 claims 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 claims 1
- 239000012778 molding material Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 1
- 238000009432 framing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
第１図は、この考案の射出成形金型の部分概略
断面図、第２図〜第５図はデイスク基盤の製造工
程を示す断面図、第６図は金型にて形成されたデ
イスク基盤を示す斜視図である。
１……可動金型、１１……枠決め部材、１３…
…エジエクト部材、２……固定金型、３……型窩
、４……ガイドピン、Ａ……デイスク基盤。
Fig. 1 is a partial schematic sectional view of the injection mold of this invention, Figs. 2 to 5 are sectional views showing the manufacturing process of the disk base, and Fig. 6 shows the disk base formed with the mold. FIG. 1... Movable mold, 11... Framing member, 13...
... Eject member, 2... Fixed mold, 3... Mold cavity, 4... Guide pin, A... Disc base.
Claims (1)
成形材料を射出して、情報記録用デイスク基盤を
成形する射出成形用金型であつて、成形金型の開
閉操作時に互に当接して摺動する部分のうち少な
くとも一方側、および成形されたデイスク基盤を
成形金型から離型させるエジエクト部材を、耐摩
耗性のセラミツク部材にて形成してなることを特
徴とする情報記録用デイスク基盤の射出成形用金
型。 ２ セラミツクス部材が、炭化ケイ素、窒素化ケ
イ素等のケイ素質セラミツクスから形成されてな
る上記実用新案登録請求の範囲第１項記載の情報
記録用デイスク基盤の射出成形用金型。 ３ セラミツクス部材がアルミナから形成されて
なる上記実用新案登録請求の範囲第１項記載の情
報記録用デイスク基盤の射出成形用金型。[Claims for Utility Model Registration] 1. An injection mold for molding an information recording disk base by injecting a molten molding material into a mold cavity formed by a mold, which includes: At least one side of the parts that come into contact with each other and slide during opening and closing operations, and the eject member that releases the molded disk base from the molding die, are made of a wear-resistant ceramic material. A mold for injection molding of a disk base for information recording. 2. The injection mold for an information recording disk base according to claim 1, wherein the ceramic member is made of silicon ceramics such as silicon carbide and silicon nitride. 3. An injection mold for an information recording disk base according to claim 1, wherein the ceramic member is made of alumina.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11954687U JPS6425111U (en) | 1987-08-04 | 1987-08-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11954687U JPS6425111U (en) | 1987-08-04 | 1987-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6425111U true JPS6425111U (en) | 1989-02-10 |
Family
ID=31364868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11954687U Pending JPS6425111U (en) | 1987-08-04 | 1987-08-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6425111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02273215A (en) * | 1989-04-14 | 1990-11-07 | Pioneer Electron Corp | Apparatus for injection molding for information recording disc |
-
1987
- 1987-08-04 JP JP11954687U patent/JPS6425111U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02273215A (en) * | 1989-04-14 | 1990-11-07 | Pioneer Electron Corp | Apparatus for injection molding for information recording disc |
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