JPS62182711U - - Google Patents
Info
- Publication number
- JPS62182711U JPS62182711U JP7139786U JP7139786U JPS62182711U JP S62182711 U JPS62182711 U JP S62182711U JP 7139786 U JP7139786 U JP 7139786U JP 7139786 U JP7139786 U JP 7139786U JP S62182711 U JPS62182711 U JP S62182711U
- Authority
- JP
- Japan
- Prior art keywords
- record carrier
- disc
- shaped record
- outer circumferential
- forming
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 2
- 238000000748 compression moulding Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
第１図はこの考案の内周部に突出部分を形成し
た外周リングの平面図および断面図、第２図は従
来の円筒形外周リングの平面図および断面図、第
３図は内周部に突出部分を形成した外周リングを
挿入した成形キヤビテイ、第４図は従来の円筒形
外周リングを挿入した成形キヤビテイ、第５図は
段差を有するデイスク端面の断面図、第６図はバ
リのあるデイスク端面の断面図、および第７図は
この考案の外周リングで製造したデイスク状記録
担体の断面図。１は内周部の突出部分、２はこの
考案の外周リング、３は従来の円筒形外周リング
、４は移動金型、５はスタンパー、６はパーテイ
ング面、７は固定金型、８は成形キヤビテイ、９
は保護層、１０は金属反射膜、１１は基板、１２
はバリおよび１３はセンターホール。
Fig. 1 is a plan view and a cross-sectional view of an outer ring according to this invention with a protruding portion formed on the inner circumference, Fig. 2 is a plan view and a cross-section of a conventional cylindrical outer ring, and Fig. 3 is a plan view and a cross-sectional view of a conventional cylindrical outer ring. Figure 4 shows a molded cavity into which a peripheral ring with a protruding part is inserted, Figure 4 shows a molded cavity into which a conventional cylindrical peripheral ring is inserted, Figure 5 shows a cross-sectional view of the end face of a disc with a step, and Figure 6 shows a disc with burrs. FIG. 7 is a cross-sectional view of the end face, and FIG. 7 is a cross-sectional view of a disk-shaped record carrier manufactured using the outer circumferential ring of this invention. 1 is a protruding portion of the inner periphery, 2 is an outer periphery ring of this invention, 3 is a conventional cylindrical outer periphery ring, 4 is a movable mold, 5 is a stamper, 6 is a parting surface, 7 is a fixed mold, and 8 is a molding Cavity, 9
10 is a protective layer, 10 is a metal reflective film, 11 is a substrate, 12
is Bali and 13 is the center hole.
Claims (1)
反射膜、およびこの金属反射膜を保護する保護層
から構成されるデイスク状記録担体の製造におい
て、内周部に突出部分１を形成した成形用外周リ
ング２を用い、デイスク状記録担体の基板周縁部
端面に段差をつけるデイスク状記録担体成形用外
周リング。 ２ デイスク状記録担体製造用の射出成形機ある
いは圧縮成形機に適用される実用新案請求の範囲
第１項記載のデイスク状記録担体成形用外周リン
グ。[Claims for Utility Model Registration] 1. In manufacturing a disk-shaped record carrier consisting of a substrate having a signal surface, a metal reflective film covering the signal surface, and a protective layer protecting the metal reflective film, This outer circumferential ring for forming a disc-shaped record carrier uses an outer circumferential ring 2 for forming a protruding portion 1 to form a step on the end surface of the peripheral edge of a substrate of the disc-shaped record carrier. 2. An outer circumferential ring for forming a disc-shaped record carrier according to claim 1, which is a utility model applied to an injection molding machine or a compression molding machine for producing a disc-shaped record carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7139786U JPS62182711U (en) | 1986-05-13 | 1986-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7139786U JPS62182711U (en) | 1986-05-13 | 1986-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62182711U true JPS62182711U (en) | 1987-11-19 |
Family
ID=30913912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7139786U Pending JPS62182711U (en) | 1986-05-13 | 1986-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62182711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010064314A (en) * | 2008-09-09 | 2010-03-25 | Nissei Plastics Ind Co | Mold of disk base plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60193626A (en) * | 1984-03-15 | 1985-10-02 | Meiki Co Ltd | Injection molding device |
| JPS60201919A (en) * | 1984-03-27 | 1985-10-12 | Meiki Co Ltd | Injection molding machine |
-
1986
- 1986-05-13 JP JP7139786U patent/JPS62182711U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60193626A (en) * | 1984-03-15 | 1985-10-02 | Meiki Co Ltd | Injection molding device |
| JPS60201919A (en) * | 1984-03-27 | 1985-10-12 | Meiki Co Ltd | Injection molding machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010064314A (en) * | 2008-09-09 | 2010-03-25 | Nissei Plastics Ind Co | Mold of disk base plate |