JPS6448714U - - Google Patents
Info
- Publication number
- JPS6448714U JPS6448714U JP1987143142U JP14314287U JPS6448714U JP S6448714 U JPS6448714 U JP S6448714U JP 1987143142 U JP1987143142 U JP 1987143142U JP 14314287 U JP14314287 U JP 14314287U JP S6448714 U JPS6448714 U JP S6448714U
- Authority
- JP
- Japan
- Prior art keywords
- rib
- recording medium
- shaped recording
- utility
- model registration
- 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
- 230000001105 regulatory effect Effects 0.000 claims 6
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案の一実施例を説明するための断
面図、第２図は本考案の他の実施例を説明するた
めの断面図である。
１……基板、３……リブ、４……凹溝、６……
環状突起。
FIG. 1 is a cross-sectional view for explaining one embodiment of the present invention, and FIG. 2 is a cross-sectional view for explaining another embodiment of the present invention. 1... Substrate, 3... Rib, 4... Concave groove, 6...
Annular process.
Claims (1)
るデイスク状記録媒体において、片面の内周部に
リブを突設するとともに、反対側の面の内周部に
、対向配置された別体のデイスク状記録媒体の上
記リブを位置規制するためのリブ規制部を設けた
ことを特徴とするデイスク状記録媒体。 (2) 実用新案登録請求の範囲第(1)項の記載にお
いて、上記リブ規制部として、上記リブの高さ寸
法よりも小なる深さ寸法を有する凹溝を形成した
ことを特徴とするデイスク状記録媒体。 (3) 実用新案登録請求の範囲第(1)項の記載にお
いて、上記リブ規制部として、上記リブの内周側
もしくは外周側に突起を形成したことを特徴とす
るデイスク状記録媒体。 (4) 実用新案登録請求の範囲第(1)項の記載にお
いて、上記リブおよびリブ規制部を環状に形成し
たことを特徴とするデイスク状記録媒体。 (5) 実用新案登録請求の範囲第(1)項の記載にお
いて、上記リブをピン状に形成するとともに、上
記リブ規制部を環状の凹溝にて成形したことを特
徴とするデイスク状記録媒体。[Claims for Utility Model Registration] (1) In a disk-shaped recording medium in which at least the inner periphery is a non-recording area, a rib is provided protruding from the inner periphery of one side, and the inner periphery of the opposite side is provided with a protruding rib. A disc-shaped recording medium characterized in that a rib regulating portion is provided for positionally regulating the ribs of the separate disc-shaped recording media arranged opposite to each other. (2) The disk as set forth in claim (1) of the utility model registration, characterized in that the rib regulating portion is a groove having a depth smaller than the height of the rib. type recording medium. (3) The disc-shaped recording medium as set forth in claim (1) of the utility model registration, characterized in that the rib regulating portion is a protrusion formed on the inner circumferential side or the outer circumferential side of the rib. (4) The disk-shaped recording medium as set forth in claim (1) of the utility model registration, characterized in that the rib and the rib regulating portion are formed in an annular shape. (5) A disk-shaped recording medium as set forth in claim (1) of the utility model registration, characterized in that the rib is formed into a pin shape, and the rib regulating portion is formed into an annular groove. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987143142U JPS6448714U (en) | 1987-09-21 | 1987-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987143142U JPS6448714U (en) | 1987-09-21 | 1987-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6448714U true JPS6448714U (en) | 1989-03-27 |
Family
ID=31409699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987143142U Pending JPS6448714U (en) | 1987-09-21 | 1987-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6448714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100634055B1 (en) | 2004-03-18 | 2006-10-13 | 가부시키가이샤 메이키 세이사쿠쇼 | Mold apparatus for forming optical disk substrate |
-
1987
- 1987-09-21 JP JP1987143142U patent/JPS6448714U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100634055B1 (en) | 2004-03-18 | 2006-10-13 | 가부시키가이샤 메이키 세이사쿠쇼 | Mold apparatus for forming optical disk substrate |
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