JPS6226289B2 - - Google Patents
Info
- Publication number
- JPS6226289B2 JPS6226289B2 JP53020761A JP2076178A JPS6226289B2 JP S6226289 B2 JPS6226289 B2 JP S6226289B2 JP 53020761 A JP53020761 A JP 53020761A JP 2076178 A JP2076178 A JP 2076178A JP S6226289 B2 JPS6226289 B2 JP S6226289B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- polarizing
- mold
- polarizing element
- protrusion
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000011344 liquid material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 30
- 238000005498 polishing Methods 0.000 description 15
- 229920003023 plastic Polymers 0.000 description 14
- 239000004033 plastic Substances 0.000 description 14
- 239000011521 glass Substances 0.000 description 9
- 238000000465 moulding Methods 0.000 description 8
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000000178 monomer Substances 0.000 description 6
- 239000000020 Nitrocellulose Substances 0.000 description 5
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 5
- 229920001220 nitrocellulos Polymers 0.000 description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- -1 cellulose nitrate Chemical class 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000004304 visual acuity Effects 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
- B29D11/0048—Moulds for lenses
- B29D11/00528—Consisting of two mould halves joined by an annular gasket
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
-
- 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
- B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
-
- 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
- B29D11/0073—Optical laminates
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/049—Contact lenses having special fitting or structural features achieved by special materials or material structures
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—Polarisers
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/76—Office equipment or accessories
- B29L2031/7602—Maps
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/16—Laminated or compound lenses
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- General Health & Medical Sciences (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24955072A | 1972-05-02 | 1972-05-02 | |
US24954972A | 1972-05-02 | 1972-05-02 | |
US26625072A | 1972-06-26 | 1972-06-26 | |
US00312909A US3846013A (en) | 1972-05-02 | 1972-12-07 | Light-polarizing element |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53121640A JPS53121640A (en) | 1978-10-24 |
JPS6226289B2 true JPS6226289B2 (US06330241-20011211-M00004.png) | 1987-06-08 |
Family
ID=27500323
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4828573A Expired JPS5513009B2 (US06330241-20011211-M00004.png) | 1972-05-02 | 1973-04-26 | |
JP2076178A Granted JPS53121640A (en) | 1972-05-02 | 1978-02-24 | Piled light lens element |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4828573A Expired JPS5513009B2 (US06330241-20011211-M00004.png) | 1972-05-02 | 1973-04-26 |
Country Status (7)
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4693446A (en) | 1985-09-20 | 1987-09-15 | Techna Vision, Inc. | Gasket for molding plastic lenses |
US4873029A (en) * | 1987-10-30 | 1989-10-10 | Blum Ronald D | Method for manufacturing lenses |
US5286419A (en) * | 1992-02-20 | 1994-02-15 | Bmc Industries, Inc. | Process for making a light polarizing spectacle lens |
JP3664522B2 (ja) * | 1995-07-18 | 2005-06-29 | 松下電器産業株式会社 | 光学素子成形型、光学素子成形方法及び光学素子 |
US6801360B2 (en) * | 2002-10-28 | 2004-10-05 | International Polarizer, Inc. | Polarized lens formed by injection/coining injection molding process |
JP4485838B2 (ja) * | 2003-08-19 | 2010-06-23 | 株式会社 サンルックス | 偏光プラスチックレンズの製造方法、及び偏光プラスチックフィルムの製造方法 |
KR101136478B1 (ko) | 2004-04-19 | 2012-04-20 | 썬룩스 컴퍼니 리미티드 | 편광 플라스틱 광학 소자 및 그의 제조 방법 |
JP5166785B2 (ja) * | 2007-06-25 | 2013-03-21 | 株式会社 サンルックス | 偏光プラスチックレンズの製造方法 |
JP5046790B2 (ja) * | 2007-08-22 | 2012-10-10 | 株式会社ニコン・エシロール | ガスケット、及び光学素子の製造方法 |
JPWO2010073625A1 (ja) * | 2008-12-22 | 2012-06-07 | 株式会社ニコン・エシロール | 樹脂レンズの製造方法、樹脂レンズ製造用モールド、及び樹脂レンズ内挿用フィルム |
EP3593981B1 (en) | 2018-07-12 | 2022-12-21 | Essilor International | Improved molding device for casting an optical article with wafer on top, corresponding method and opticle article |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB581197A (en) * | 1944-06-23 | 1946-10-03 | John Johnson | Improvements in the manufacture of lenses |
FR1342927A (fr) * | 1963-11-04 | 1963-11-15 | Procédé de surmoulage de pièces injectées | |
US3354938A (en) * | 1964-07-02 | 1967-11-28 | American Optical Corp | Apparatus for blocking lenses |
FR1513299A (fr) * | 1966-09-02 | 1968-02-16 | Verreries De Goetzenbruck S A | Procédé de fabrication d'écrans ou d'oculaires composites en matière organique |
FR2118305A5 (US06330241-20011211-M00004.png) * | 1970-12-14 | 1972-07-28 | Vergo Sa | |
DE2118906C2 (de) * | 1971-04-19 | 1982-05-06 | Polaroid Corp., 02139 Cambridge, Mass. | Polarisierende, mehrschichtige Brillenlinse |
FR2134094A1 (en) * | 1971-04-19 | 1972-12-08 | Polaroid Corp | Synthetic plastic correction lenses |
-
1973
- 1973-04-26 JP JP4828573A patent/JPS5513009B2/ja not_active Expired
- 1973-04-27 FR FR7315563A patent/FR2183108B1/fr not_active Expired
- 1973-04-30 DE DE2321886A patent/DE2321886C2/de not_active Expired
- 1973-04-30 IT IT49733/73A patent/IT983041B/it active
- 1973-05-01 CA CA170,147A patent/CA986760A/en not_active Expired
- 1973-05-02 NL NLAANVRAGE7306093,A patent/NL180569C/xx not_active IP Right Cessation
- 1973-05-02 GB GB2091473A patent/GB1435329A/en not_active Expired
-
1978
- 1978-02-24 JP JP2076178A patent/JPS53121640A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2183108B1 (US06330241-20011211-M00004.png) | 1977-04-29 |
CA986760A (en) | 1976-04-06 |
IT983041B (it) | 1974-10-31 |
NL7306093A (US06330241-20011211-M00004.png) | 1973-11-06 |
JPS53121640A (en) | 1978-10-24 |
DE2321886A1 (de) | 1973-11-15 |
GB1435329A (en) | 1976-05-12 |
AU5493473A (en) | 1974-10-31 |
NL180569B (nl) | 1986-10-16 |
FR2183108A1 (US06330241-20011211-M00004.png) | 1973-12-14 |
NL180569C (nl) | 1987-03-16 |
JPS4949646A (US06330241-20011211-M00004.png) | 1974-05-14 |
JPS5513009B2 (US06330241-20011211-M00004.png) | 1980-04-05 |
DE2321886C2 (de) | 1984-09-13 |
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