JPS6157166B2 - - Google Patents
Info
- Publication number
- JPS6157166B2 JPS6157166B2 JP56181216A JP18121681A JPS6157166B2 JP S6157166 B2 JPS6157166 B2 JP S6157166B2 JP 56181216 A JP56181216 A JP 56181216A JP 18121681 A JP18121681 A JP 18121681A JP S6157166 B2 JPS6157166 B2 JP S6157166B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- specific volume
- mold
- compression
- rate
- 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
- 238000000034 method Methods 0.000 claims description 51
- 238000007906 compression Methods 0.000 claims description 44
- 230000006835 compression Effects 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 37
- 238000000465 moulding Methods 0.000 claims description 29
- 238000000748 compression moulding Methods 0.000 claims description 19
- 230000007423 decrease Effects 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 239000010720 hydraulic oil 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
-
- 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)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Blow-Moulding Or Thermoforming Of 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 |
---|---|---|---|
JP18121681A JPS5882725A (ja) | 1981-11-13 | 1981-11-13 | プラスチツクレンズの加熱圧縮成形方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18121681A JPS5882725A (ja) | 1981-11-13 | 1981-11-13 | プラスチツクレンズの加熱圧縮成形方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5882725A JPS5882725A (ja) | 1983-05-18 |
JPS6157166B2 true JPS6157166B2 (US20050192411A1-20050901-C00001.png) | 1986-12-05 |
Family
ID=16096848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18121681A Granted JPS5882725A (ja) | 1981-11-13 | 1981-11-13 | プラスチツクレンズの加熱圧縮成形方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5882725A (US20050192411A1-20050901-C00001.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61108883U (US20050192411A1-20050901-C00001.png) * | 1984-12-22 | 1986-07-10 | ||
JPH0161461U (US20050192411A1-20050901-C00001.png) * | 1987-06-05 | 1989-04-19 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60132719A (ja) * | 1983-12-22 | 1985-07-15 | Alps Electric Co Ltd | プラスチツクレンズの製造方法 |
JPS62191128A (ja) * | 1986-02-19 | 1987-08-21 | Canon Inc | 光学素子成形用型 |
JPH01156020A (ja) * | 1987-12-14 | 1989-06-19 | Kobe Steel Ltd | 油圧プレスの制御方法及びその装置 |
JP2799810B2 (ja) * | 1993-02-08 | 1998-09-21 | キュー 2100,インコーポレーテッド | レンズ製造装置およびレンズを作る方法 |
JP3910204B2 (ja) * | 2005-07-04 | 2007-04-25 | 三菱電機株式会社 | 画像発生装置及び画像表示装置並びに画像発生方法及び画像表示方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57187231A (en) * | 1981-05-13 | 1982-11-17 | Matsushita Electric Ind Co Ltd | Mold apparatus for compression molding of resin |
-
1981
- 1981-11-13 JP JP18121681A patent/JPS5882725A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57187231A (en) * | 1981-05-13 | 1982-11-17 | Matsushita Electric Ind Co Ltd | Mold apparatus for compression molding of resin |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61108883U (US20050192411A1-20050901-C00001.png) * | 1984-12-22 | 1986-07-10 | ||
JPH0161461U (US20050192411A1-20050901-C00001.png) * | 1987-06-05 | 1989-04-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS5882725A (ja) | 1983-05-18 |