JPS60129217A - 凹レンズの製造方法およびその装置 - Google Patents
凹レンズの製造方法およびその装置Info
- Publication number
- JPS60129217A JPS60129217A JP23827983A JP23827983A JPS60129217A JP S60129217 A JPS60129217 A JP S60129217A JP 23827983 A JP23827983 A JP 23827983A JP 23827983 A JP23827983 A JP 23827983A JP S60129217 A JPS60129217 A JP S60129217A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- concave lens
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000002347 injection Methods 0.000 claims abstract description 41
- 239000007924 injection Substances 0.000 claims abstract description 41
- 239000011347 resin Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 22
- 238000000465 moulding Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- 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 |
|---|---|---|---|
| JP23827983A JPS60129217A (ja) | 1983-12-17 | 1983-12-17 | 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 |
|---|---|---|---|
| JP23827983A JPS60129217A (ja) | 1983-12-17 | 1983-12-17 | 凹レンズの製造方法およびその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60129217A true JPS60129217A (ja) | 1985-07-10 |
| JPH0221368B2 JPH0221368B2 (enrdf_load_stackoverflow) | 1990-05-14 |
Family
ID=17027821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23827983A Granted JPS60129217A (ja) | 1983-12-17 | 1983-12-17 | 凹レンズの製造方法およびその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60129217A (enrdf_load_stackoverflow) |
-
1983
- 1983-12-17 JP JP23827983A patent/JPS60129217A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221368B2 (enrdf_load_stackoverflow) | 1990-05-14 |
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