JPH0546899Y2 - - Google Patents
Info
- Publication number
- JPH0546899Y2 JPH0546899Y2 JP1988043965U JP4396588U JPH0546899Y2 JP H0546899 Y2 JPH0546899 Y2 JP H0546899Y2 JP 1988043965 U JP1988043965 U JP 1988043965U JP 4396588 U JP4396588 U JP 4396588U JP H0546899 Y2 JPH0546899 Y2 JP H0546899Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- hole
- movable
- stamper
- gas
- 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 - Lifetime
Links
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 238000000465 moulding Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988043965U JPH0546899Y2 (el) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988043965U JPH0546899Y2 (el) | 1988-03-31 | 1988-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01146923U JPH01146923U (el) | 1989-10-11 |
| JPH0546899Y2 true JPH0546899Y2 (el) | 1993-12-09 |
Family
ID=31270346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988043965U Expired - Lifetime JPH0546899Y2 (el) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0546899Y2 (el) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6011326A (ja) * | 1983-07-01 | 1985-01-21 | Hitachi Ltd | 成形金型 |
-
1988
- 1988-03-31 JP JP1988043965U patent/JPH0546899Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6011326A (ja) * | 1983-07-01 | 1985-01-21 | Hitachi Ltd | 成形金型 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01146923U (el) | 1989-10-11 |
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