JPH0221367B2 - - Google Patents
Info
- Publication number
- JPH0221367B2 JPH0221367B2 JP23085083A JP23085083A JPH0221367B2 JP H0221367 B2 JPH0221367 B2 JP H0221367B2 JP 23085083 A JP23085083 A JP 23085083A JP 23085083 A JP23085083 A JP 23085083A JP H0221367 B2 JPH0221367 B2 JP H0221367B2
- Authority
- JP
- Japan
- Prior art keywords
- concave lens
- mold
- injection
- raw material
- resin raw
- 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
- 238000002347 injection Methods 0.000 claims description 50
- 239000007924 injection Substances 0.000 claims description 50
- 239000002994 raw material Substances 0.000 claims description 39
- 239000011347 resin Substances 0.000 claims description 33
- 229920005989 resin Polymers 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 6
- 208000015943 Coeliac disease Diseases 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000113 methacrylic resin Substances 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23085083A JPS60122117A (ja) | 1983-12-06 | 1983-12-06 | 凹レンズの製造方法およびその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23085083A JPS60122117A (ja) | 1983-12-06 | 1983-12-06 | 凹レンズの製造方法およびその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60122117A JPS60122117A (ja) | 1985-06-29 |
| JPH0221367B2 true JPH0221367B2 (enrdf_load_stackoverflow) | 1990-05-14 |
Family
ID=16914268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23085083A Granted JPS60122117A (ja) | 1983-12-06 | 1983-12-06 | 凹レンズの製造方法およびその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60122117A (enrdf_load_stackoverflow) |
-
1983
- 1983-12-06 JP JP23085083A patent/JPS60122117A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60122117A (ja) | 1985-06-29 |
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