JPH0573570B2 - - Google Patents
Info
- Publication number
- JPH0573570B2 JPH0573570B2 JP60151973A JP15197385A JPH0573570B2 JP H0573570 B2 JPH0573570 B2 JP H0573570B2 JP 60151973 A JP60151973 A JP 60151973A JP 15197385 A JP15197385 A JP 15197385A JP H0573570 B2 JPH0573570 B2 JP H0573570B2
- Authority
- JP
- Japan
- Prior art keywords
- injection
- temperature
- mold
- molding
- cavity
- 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
- 238000002347 injection Methods 0.000 claims description 34
- 239000007924 injection Substances 0.000 claims description 34
- 238000001746 injection moulding Methods 0.000 claims description 25
- 239000012778 molding material Substances 0.000 claims description 16
- 230000009477 glass transition Effects 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 14
- 238000001816 cooling Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000000748 compression moulding Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000010583 slow cooling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15197385A JPS6211619A (ja) | 1985-07-09 | 1985-07-09 | 射出成形方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15197385A JPS6211619A (ja) | 1985-07-09 | 1985-07-09 | 射出成形方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25806394A Division JPH07251434A (ja) | 1994-10-24 | 1994-10-24 | 光学製品の射出成形方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6211619A JPS6211619A (ja) | 1987-01-20 |
JPH0573570B2 true JPH0573570B2 (de) | 1993-10-14 |
Family
ID=15530268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15197385A Granted JPS6211619A (ja) | 1985-07-09 | 1985-07-09 | 射出成形方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6211619A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2537231B2 (ja) * | 1987-05-07 | 1996-09-25 | キヤノン株式会社 | プラスチツクレンズの成形方法 |
JP3385491B2 (ja) * | 1994-06-21 | 2003-03-10 | コニカ株式会社 | 射出成形方法 |
JP4972760B2 (ja) * | 2004-06-29 | 2012-07-11 | コニカミノルタアドバンストレイヤー株式会社 | 光学素子の製造方法 |
JP4815898B2 (ja) * | 2004-06-29 | 2011-11-16 | コニカミノルタオプト株式会社 | 射出成形用金型及び射出成形方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5196854A (ja) * | 1975-02-20 | 1976-08-25 | Purasuchitsukurenzuno seizoho | |
JPS5812738A (ja) * | 1981-07-16 | 1983-01-24 | Matsushita Electric Ind Co Ltd | ヒ−トサイクル射出圧縮成形法 |
JPS5924620A (ja) * | 1982-08-03 | 1984-02-08 | Konishiroku Photo Ind Co Ltd | 厚肉樹脂成形方法 |
JPS61233520A (ja) * | 1985-04-09 | 1986-10-17 | Canon Inc | 成形品の射出成形方法 |
JPS61258719A (ja) * | 1985-05-14 | 1986-11-17 | Olympus Optical Co Ltd | 射出成形用金型 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5795911U (de) * | 1980-12-02 | 1982-06-12 | ||
JPS59169919U (ja) * | 1983-04-27 | 1984-11-14 | 矢崎化工株式会社 | 多数個取り成形用金型 |
-
1985
- 1985-07-09 JP JP15197385A patent/JPS6211619A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5196854A (ja) * | 1975-02-20 | 1976-08-25 | Purasuchitsukurenzuno seizoho | |
JPS5812738A (ja) * | 1981-07-16 | 1983-01-24 | Matsushita Electric Ind Co Ltd | ヒ−トサイクル射出圧縮成形法 |
JPS5924620A (ja) * | 1982-08-03 | 1984-02-08 | Konishiroku Photo Ind Co Ltd | 厚肉樹脂成形方法 |
JPS61233520A (ja) * | 1985-04-09 | 1986-10-17 | Canon Inc | 成形品の射出成形方法 |
JPS61258719A (ja) * | 1985-05-14 | 1986-11-17 | Olympus Optical Co Ltd | 射出成形用金型 |
Also Published As
Publication number | Publication date |
---|---|
JPS6211619A (ja) | 1987-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |