JPS6115809B2 - - Google Patents
Info
- Publication number
- JPS6115809B2 JPS6115809B2 JP6257080A JP6257080A JPS6115809B2 JP S6115809 B2 JPS6115809 B2 JP S6115809B2 JP 6257080 A JP6257080 A JP 6257080A JP 6257080 A JP6257080 A JP 6257080A JP S6115809 B2 JPS6115809 B2 JP S6115809B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- lens
- resin
- fresnel lens
- pressure
- 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
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000004925 Acrylic resin Substances 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 6
- 239000006188 syrup Substances 0.000 claims description 6
- 235000020357 syrup Nutrition 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims 1
- 229920005668 polycarbonate resin Polymers 0.000 claims 1
- 239000004431 polycarbonate resin Substances 0.000 claims 1
- 229920005990 polystyrene resin Polymers 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- 239000004800 polyvinyl chloride Substances 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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
- B29D11/00269—Fresnel lenses
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- 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 |
---|---|---|---|
JP6257080A JPS56159127A (en) | 1980-05-12 | 1980-05-12 | Manufacture of fresnel lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6257080A JPS56159127A (en) | 1980-05-12 | 1980-05-12 | Manufacture of fresnel lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56159127A JPS56159127A (en) | 1981-12-08 |
JPS6115809B2 true JPS6115809B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-04-25 |
Family
ID=13204080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6257080A Granted JPS56159127A (en) | 1980-05-12 | 1980-05-12 | Manufacture of fresnel lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56159127A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4601861A (en) * | 1982-09-30 | 1986-07-22 | Amerace Corporation | Methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate |
JPS59137902A (ja) * | 1983-01-28 | 1984-08-08 | Asahi Chem Ind Co Ltd | 合成樹脂製フレネルレンズ |
JP2823016B2 (ja) * | 1986-12-25 | 1998-11-11 | ソニー株式会社 | 透過型スクリーンの製造方法 |
CN1064589C (zh) * | 1995-10-24 | 2001-04-18 | 日本碳化物工业株式会社 | 光学元件集合体的连续形成方法及其装置 |
JP4665608B2 (ja) * | 2005-05-25 | 2011-04-06 | 株式会社日立プラントテクノロジー | 微細構造転写装置 |
JP5597537B2 (ja) * | 2008-08-20 | 2014-10-01 | 日本カーバイド工業株式会社 | 光学シート製造装置、及び、光学シートの製造方法 |
JP5372708B2 (ja) * | 2009-11-09 | 2013-12-18 | 株式会社日立産機システム | 微細構造転写装置 |
-
1980
- 1980-05-12 JP JP6257080A patent/JPS56159127A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56159127A (en) | 1981-12-08 |