JPH036416Y2 - - Google Patents
Info
- Publication number
- JPH036416Y2 JPH036416Y2 JP4509686U JP4509686U JPH036416Y2 JP H036416 Y2 JPH036416 Y2 JP H036416Y2 JP 4509686 U JP4509686 U JP 4509686U JP 4509686 U JP4509686 U JP 4509686U JP H036416 Y2 JPH036416 Y2 JP H036416Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- ring
- outer circumferential
- stamper
- stepped portion
- 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.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4509686U JPH036416Y2 (en:Method) | 1986-03-27 | 1986-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4509686U JPH036416Y2 (en:Method) | 1986-03-27 | 1986-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62157211U JPS62157211U (en:Method) | 1987-10-06 |
| JPH036416Y2 true JPH036416Y2 (en:Method) | 1991-02-19 |
Family
ID=30863521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4509686U Expired JPH036416Y2 (en:Method) | 1986-03-27 | 1986-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036416Y2 (en:Method) |
-
1986
- 1986-03-27 JP JP4509686U patent/JPH036416Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62157211U (en:Method) | 1987-10-06 |
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