JPS6210177B2 - - Google Patents
Info
- Publication number
- JPS6210177B2 JPS6210177B2 JP13158980A JP13158980A JPS6210177B2 JP S6210177 B2 JPS6210177 B2 JP S6210177B2 JP 13158980 A JP13158980 A JP 13158980A JP 13158980 A JP13158980 A JP 13158980A JP S6210177 B2 JPS6210177 B2 JP S6210177B2
- Authority
- JP
- Japan
- Prior art keywords
- lens blank
- lens
- molding
- heating
- mold temperature
- 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
- 238000000465 moulding Methods 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000000748 compression moulding Methods 0.000 description 13
- 230000007547 defect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13158980A JPS5757633A (en) | 1980-09-24 | 1980-09-24 | Plastic lens blank and control of heat compression of the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13158980A JPS5757633A (en) | 1980-09-24 | 1980-09-24 | Plastic lens blank and control of heat compression of the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5757633A JPS5757633A (en) | 1982-04-06 |
JPS6210177B2 true JPS6210177B2 (US20050192411A1-20050901-C00001.png) | 1987-03-04 |
Family
ID=15061579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13158980A Granted JPS5757633A (en) | 1980-09-24 | 1980-09-24 | Plastic lens blank and control of heat compression of the same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5757633A (US20050192411A1-20050901-C00001.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0157967U (US20050192411A1-20050901-C00001.png) * | 1987-10-06 | 1989-04-11 |
-
1980
- 1980-09-24 JP JP13158980A patent/JPS5757633A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0157967U (US20050192411A1-20050901-C00001.png) * | 1987-10-06 | 1989-04-11 |
Also Published As
Publication number | Publication date |
---|---|
JPS5757633A (en) | 1982-04-06 |