CA2723781A1 - Net-molded optical articles and methods of making the same - Google Patents
Net-molded optical articles and methods of making the same Download PDFInfo
- Publication number
- CA2723781A1 CA2723781A1 CA2723781A CA2723781A CA2723781A1 CA 2723781 A1 CA2723781 A1 CA 2723781A1 CA 2723781 A CA2723781 A CA 2723781A CA 2723781 A CA2723781 A CA 2723781A CA 2723781 A1 CA2723781 A1 CA 2723781A1
- Authority
- CA
- Canada
- Prior art keywords
- mold cavity
- lens
- mold
- injection molding
- optical
- 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.)
- Abandoned
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 100
- 238000001746 injection moulding Methods 0.000 claims abstract description 60
- 229920005989 resin Polymers 0.000 claims abstract description 55
- 239000011347 resin Substances 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims description 88
- 230000002093 peripheral effect Effects 0.000 claims description 40
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 230000009477 glass transition Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000000007 visual effect Effects 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C2045/735—Heating or cooling of the mould heating a mould part and cooling another mould part during moulding
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C2045/7356—Heating or cooling of the mould the temperature of the mould being near or higher than the melting temperature or glass transition temperature of the moulding material
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/7604—Temperature
- B29C2945/76043—Temperature derivative, change thereof
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76254—Mould
- B29C2945/76257—Mould cavity
- B29C2945/7626—Mould cavity cavity walls
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76344—Phase or stage of measurement
- B29C2945/76414—Solidification, setting phase
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76585—Dimensions, e.g. thickness
- B29C2945/76588—Dimensions, e.g. thickness shrinkage, dilation, dimensional change, warpage
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76822—Phase or stage of control
- B29C2945/76892—Solidification, setting phase
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76929—Controlling method
- B29C2945/76933—The operating conditions are corrected immediately, during the same phase or cycle
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76929—Controlling method
- B29C2945/76939—Using stored or historical data sets
- B29C2945/76943—Using stored or historical data sets compare with thresholds
-
- 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)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/118,506 US7971995B2 (en) | 2008-05-09 | 2008-05-09 | Net-molded optical articles and methods of making the same |
| US12/118,506 | 2008-05-09 | ||
| PCT/US2009/043078 WO2009137641A1 (en) | 2008-05-09 | 2009-05-07 | Net-molded optical articles and methods of making the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2723781A1 true CA2723781A1 (en) | 2009-11-12 |
Family
ID=40953596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2723781A Abandoned CA2723781A1 (en) | 2008-05-09 | 2009-05-07 | Net-molded optical articles and methods of making the same |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7971995B2 (enExample) |
| EP (1) | EP2288486A1 (enExample) |
| JP (1) | JP2011521804A (enExample) |
| CN (1) | CN102046354A (enExample) |
| AU (1) | AU2009244248A1 (enExample) |
| CA (1) | CA2723781A1 (enExample) |
| TW (1) | TW200950947A (enExample) |
| WO (1) | WO2009137641A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010240866A (ja) * | 2009-04-01 | 2010-10-28 | Seiko Epson Corp | プラスチックレンズ成形装置 |
| EP2505345A1 (en) * | 2011-03-31 | 2012-10-03 | ESSILOR INTERNATIONAL (Compagnie Générale d'Optique) | Method for designing a mould for casting a semi-finished ophthalmic lens blank, method for assembling a mould assembly, method for casting a semi-finished ophtalmic lens blank and computer program product for carrying out said methods |
| CN104227970A (zh) * | 2013-06-07 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | 制造光学透镜的模具及光学透镜 |
| USD748175S1 (en) | 2014-09-04 | 2016-01-26 | Oakley, Inc. | Eyeglass lens |
| CA3020818C (en) | 2017-10-13 | 2020-10-20 | Smith Optics, Inc. | Goggle with replaceable lens |
| EP4609841A3 (en) | 2018-11-05 | 2025-11-05 | Smith Sport Optics, Inc. | Goggle lens with compound curvature for downward field of view enhancement |
| USD892913S1 (en) | 2018-11-05 | 2020-08-11 | Smith Sport Optics, Inc. | Goggle |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2076643A5 (enExample) * | 1970-01-22 | 1971-10-15 | Silor | |
| US3899315A (en) * | 1974-04-15 | 1975-08-12 | American Optical Corp | Method of making glass clad glass lenses |
| US4364878A (en) * | 1978-08-10 | 1982-12-21 | Omnitech Inc. | Method for molding ophthalmic lenses |
| FR2530182A1 (fr) * | 1982-07-16 | 1984-01-20 | Essilor Int | Dispositif de moulage, notamment pour element optique, par exemple lentille ophtalmique |
| US5324473A (en) * | 1988-05-06 | 1994-06-28 | Baresich Frank J | Method for molding stress free amorphous and crystalline thermoplastic resins |
| US5114632A (en) * | 1989-05-01 | 1992-05-19 | Soane Technologies, Inc. | Controlled casting of a shrinkable material |
| US5110514A (en) * | 1989-05-01 | 1992-05-05 | Soane Technologies, Inc. | Controlled casting of a shrinkable material |
| US6276656B1 (en) * | 1992-07-14 | 2001-08-21 | Thermal Wave Molding Corp. | Mold for optimizing cooling time to form molded article |
| ATE187821T1 (de) * | 1994-03-14 | 2000-01-15 | Seikagaku Kogyo Co Ltd | Material zum tragen auf dem augapfel |
| EP0844058A4 (en) * | 1996-05-10 | 1998-12-09 | Sony Corp | MOLD FOR THE PRODUCTION OF A DISC-SHAPED SUBSTRATE, METHOD FOR PRODUCING SUCH A MOLD AND SUCH A DISK-SHAPED SUBSTRATE |
| JP2001113580A (ja) | 1999-10-21 | 2001-04-24 | Canon Inc | 射出成形装置 |
| JP2002127193A (ja) * | 2000-10-20 | 2002-05-08 | Mitsui Chemicals Inc | 光ディスク基板成形金型および光ディスク基板の成形方法 |
| US6961950B2 (en) * | 2001-09-04 | 2005-11-01 | Imation Corp. | Variable thickness stamper for creation of flat molded substrates |
| US6695607B2 (en) * | 2001-12-17 | 2004-02-24 | Essilor International (Compagnie Generale D'optique) | Mold half-block for injection molding an optical article out of thermoplastic material, and a mold including such a half-block |
| US7279122B2 (en) * | 2003-04-01 | 2007-10-09 | Thermal Wave Molding Corporation | Mold and process for making a very thin wall article |
| JP4714491B2 (ja) * | 2005-03-18 | 2011-06-29 | 株式会社リコー | 樹脂成形品の製造方法、樹脂成形用金型、プラスチック光学素子及びディスプレイ装置、並びに画像形成装置 |
| JP4804087B2 (ja) * | 2005-09-26 | 2011-10-26 | パナソニック株式会社 | ディスク成形装置およびディスク成形方法ならびに情報記録ディスク |
-
2008
- 2008-05-09 US US12/118,506 patent/US7971995B2/en active Active
-
2009
- 2009-05-07 AU AU2009244248A patent/AU2009244248A1/en not_active Abandoned
- 2009-05-07 CN CN200980116241XA patent/CN102046354A/zh active Pending
- 2009-05-07 CA CA2723781A patent/CA2723781A1/en not_active Abandoned
- 2009-05-07 EP EP09743627A patent/EP2288486A1/en not_active Withdrawn
- 2009-05-07 JP JP2011508649A patent/JP2011521804A/ja active Pending
- 2009-05-07 WO PCT/US2009/043078 patent/WO2009137641A1/en not_active Ceased
- 2009-05-08 TW TW098115478A patent/TW200950947A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TW200950947A (en) | 2009-12-16 |
| JP2011521804A (ja) | 2011-07-28 |
| EP2288486A1 (en) | 2011-03-02 |
| CN102046354A (zh) | 2011-05-04 |
| US7971995B2 (en) | 2011-07-05 |
| US20090279049A1 (en) | 2009-11-12 |
| WO2009137641A1 (en) | 2009-11-12 |
| AU2009244248A1 (en) | 2009-11-12 |
| AU2009244248A2 (en) | 2011-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20150507 |