JPH01146921U - - Google Patents
Info
- Publication number
- JPH01146921U JPH01146921U JP4290788U JP4290788U JPH01146921U JP H01146921 U JPH01146921 U JP H01146921U JP 4290788 U JP4290788 U JP 4290788U JP 4290788 U JP4290788 U JP 4290788U JP H01146921 U JPH01146921 U JP H01146921U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- punch
- hole
- sprue
- sprue bush
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988042907U JPH0536657Y2 (en, 2012) | 1988-04-01 | 1988-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988042907U JPH0536657Y2 (en, 2012) | 1988-04-01 | 1988-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01146921U true JPH01146921U (en, 2012) | 1989-10-11 |
| JPH0536657Y2 JPH0536657Y2 (en, 2012) | 1993-09-16 |
Family
ID=31269309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988042907U Expired - Lifetime JPH0536657Y2 (en, 2012) | 1988-04-01 | 1988-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0536657Y2 (en, 2012) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858214A (ja) * | 1981-10-02 | 1983-04-06 | Mitsubishi Motors Corp | コンパクテドバミキユラ黒鉛鋳鉄の製造方法 |
-
1988
- 1988-04-01 JP JP1988042907U patent/JPH0536657Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858214A (ja) * | 1981-10-02 | 1983-04-06 | Mitsubishi Motors Corp | コンパクテドバミキユラ黒鉛鋳鉄の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0536657Y2 (en, 2012) | 1993-09-16 |