CA2518606C - Lamina comprising cube corner elements and retroreflective sheeting - Google Patents
Lamina comprising cube corner elements and retroreflective sheeting Download PDFInfo
- Publication number
- CA2518606C CA2518606C CA2518606A CA2518606A CA2518606C CA 2518606 C CA2518606 C CA 2518606C CA 2518606 A CA2518606 A CA 2518606A CA 2518606 A CA2518606 A CA 2518606A CA 2518606 C CA2518606 C CA 2518606C
- Authority
- CA
- Canada
- Prior art keywords
- lamina
- groove
- cube
- cube corner
- dihedral
- 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 - Fee Related
Links
- 230000010076 replication Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 42
- 238000010586 diagram Methods 0.000 description 32
- 239000013598 vector Substances 0.000 description 23
- 238000003754 machining Methods 0.000 description 21
- 239000000463 material Substances 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 19
- 239000010432 diamond Substances 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 13
- 229920000515 polycarbonate Polymers 0.000 description 13
- 239000004417 polycarbonate Substances 0.000 description 13
- 229910003460 diamond Inorganic materials 0.000 description 12
- 238000013461 design Methods 0.000 description 10
- 239000003981 vehicle Substances 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 239000010410 layer Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 238000003491 array Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000004005 microsphere Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005323 electroforming Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- -1 ferrous metals Chemical class 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229920001634 Copolyester Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 241000656145 Thyrsites atun Species 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 229920006397 acrylic thermoplastic Polymers 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910000583 Nd alloy Inorganic materials 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003362 replicative effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
- G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
-
- 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
- B29D11/00605—Production of reflex reflectors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Road Signs Or Road Markings (AREA)
- Toys (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2776416A CA2776416C (en) | 2003-03-06 | 2004-02-26 | Lamina comprising cube corner elements and retroreflective sheeting |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45246403P | 2003-03-06 | 2003-03-06 | |
| US60/452,464 | 2003-03-06 | ||
| US10/404,265 US7152983B2 (en) | 2003-03-06 | 2003-04-01 | Lamina comprising cube corner elements and retroreflective sheeting |
| US10/404,265 | 2003-04-01 | ||
| US10/404,890 | 2003-04-01 | ||
| US10/404,890 US7156527B2 (en) | 2003-03-06 | 2003-04-01 | Lamina comprising cube corner elements and retroreflective sheeting |
| PCT/US2004/005672 WO2004081619A2 (en) | 2003-03-06 | 2004-02-26 | Lamina comprising cube corner elements and retroreflective sheeting |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2776416A Division CA2776416C (en) | 2003-03-06 | 2004-02-26 | Lamina comprising cube corner elements and retroreflective sheeting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2518606A1 CA2518606A1 (en) | 2004-09-23 |
| CA2518606C true CA2518606C (en) | 2012-07-17 |
Family
ID=32995900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2518606A Expired - Fee Related CA2518606C (en) | 2003-03-06 | 2004-02-26 | Lamina comprising cube corner elements and retroreflective sheeting |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US7188960B2 (enExample) |
| EP (19) | EP2442159A3 (enExample) |
| JP (2) | JP4949829B2 (enExample) |
| KR (5) | KR20120007553A (enExample) |
| BR (1) | BRPI0407946B1 (enExample) |
| CA (1) | CA2518606C (enExample) |
| WO (1) | WO2004081619A2 (enExample) |
Families Citing this family (63)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6540367B1 (en) * | 1999-04-07 | 2003-04-01 | 3M Innovative Properties Company | Structured surface articles containing geometric structures with compound faces and methods for making same |
| EP2442159A3 (en) | 2003-03-06 | 2012-05-23 | 3M Innovative Properties Co. | Lamina comprising cube corner elements and retroreflective sheeting |
| US7156527B2 (en) | 2003-03-06 | 2007-01-02 | 3M Innovative Properties Company | Lamina comprising cube corner elements and retroreflective sheeting |
| US7370981B2 (en) * | 2003-12-24 | 2008-05-13 | Avery Dennison Corporation | Cube corner retroreflector with limited range |
| EP1838443B1 (en) | 2005-01-20 | 2012-05-16 | 3M Innovative Properties Company | Structured polymer films and methods for forming the same |
| US20070231067A1 (en) * | 2006-04-04 | 2007-10-04 | David Ian Roche | Vehicle visibility vest |
| CN101421645B (zh) | 2006-04-18 | 2011-06-15 | 3M创新有限公司 | 包含含氮成分的微结构化制品 |
| US8215943B2 (en) * | 2006-06-01 | 2012-07-10 | Avery Dennison Corporation | Heat-transfer label assembly and apparatus for applying heat-transfer labels |
| CN101506694B (zh) | 2006-08-22 | 2012-10-03 | 日本电石工业株式会社 | 三棱锥型立方角回射部件及其制造方法 |
| US7964269B2 (en) | 2006-11-22 | 2011-06-21 | 3M Innovative Properties Company | Colorless thermal mass transfer compositions and articles |
| WO2009002225A2 (ru) * | 2007-06-25 | 2008-12-31 | Closed Company 'molecular-Medicine Technologies' | Многофункциональное устройство для диагностики и способ тестирования биологических объектов |
| WO2009028162A1 (ja) * | 2007-08-24 | 2009-03-05 | Nippon Carbide Industries Co., Inc | キューブコーナー型再帰反射物品 |
| KR20090067654A (ko) * | 2007-12-21 | 2009-06-25 | 김봉주 | 재귀반사소자 및 이를 구비한 재귀반사체 |
| KR101534893B1 (ko) * | 2008-10-22 | 2015-07-07 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 재귀반사성 시트류 |
| TWI605276B (zh) | 2009-04-15 | 2017-11-11 | ３Ｍ新設資產公司 | 光學結構及包含該光學結構之顯示系統 |
| US9291752B2 (en) | 2013-08-19 | 2016-03-22 | 3M Innovative Properties Company | Retroreflecting optical construction |
| JP2012524381A (ja) | 2009-04-15 | 2012-10-11 | スリーエム イノベイティブ プロパティズ カンパニー | ボイドを含有する光学フィルムを備える光ガイド及びディスプレイシステム用ブラックライト |
| IN2011CN07418A (enExample) * | 2009-04-15 | 2015-08-21 | 3M Innovative Properties Co | |
| CN102460125B (zh) | 2009-04-15 | 2015-11-25 | 3M创新有限公司 | 防止光学耦合的光学膜 |
| MX341289B (es) | 2010-04-15 | 2016-08-12 | 3M Innovative Properties Co | Articulos retrorreflectantes que incluyen areas opticamente activas y areas opticamente inactivas. |
| MX341955B (es) | 2010-04-15 | 2016-09-08 | 3M Innovative Properties Co | Articulos retrorreflectantes que incluyen areas opticamente activas y areas opticamente inactivas. |
| MX341957B (es) | 2010-04-15 | 2016-09-08 | 3M Innovative Properties Co | Articulos retrorreflectantes que incluyen areas opticamente activas y areas opticamente inactivas. |
| WO2012043607A1 (ja) * | 2010-09-29 | 2012-04-05 | 日本軽金属株式会社 | スタンパ、物品およびそれらの製造方法 |
| AU2012209450B2 (en) | 2011-01-25 | 2015-12-24 | Avery Dennison Corporation | A method for controlling retroreflectivity by application of a printed pattern to a retroreflective film and sheeting produced thereby |
| WO2012166462A2 (en) | 2011-05-31 | 2012-12-06 | 3M Innovative Properties Company | Method for making microstructured tools having interspersed topographies, and articles produced therefrom |
| WO2012166448A1 (en) | 2011-05-31 | 2012-12-06 | 3M Innovative Properties Company | Retroreflective articles having composite cube-corners and methods of making |
| SG195168A1 (en) | 2011-05-31 | 2013-12-30 | 3M Innovative Properties Co | Methods for making differentially pattern cured microstructured articles |
| WO2013188690A2 (en) | 2012-06-15 | 2013-12-19 | Michael Wang | Projector based display systems and methods |
| CN104884237A (zh) * | 2013-02-11 | 2015-09-02 | 奥丽福美洲公司 | 立体角锥反射器及其方法 |
| KR102205093B1 (ko) | 2013-03-15 | 2021-01-20 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 미세타일화된 프리즘형 큐브 코너 물품 |
| CN111830777A (zh) | 2014-05-27 | 2020-10-27 | 米拉维兹公司 | 用于优化逆反射显示系统的方法 |
| US20160011346A1 (en) | 2014-07-14 | 2016-01-14 | Sergiy Vasylyev | High incidence angle retroreflective sheeting |
| WO2016069625A1 (en) | 2014-10-27 | 2016-05-06 | Mirraviz, Inc. | Method for incident angle optimization for reflector display |
| JP6405462B2 (ja) | 2015-06-12 | 2018-10-17 | 日本カーバイド工業株式会社 | 画像表示装置 |
| JP6452815B2 (ja) | 2015-06-12 | 2019-01-16 | 日本カーバイド工業株式会社 | 画像表示装置 |
| BR112018000400B1 (pt) | 2015-07-07 | 2022-10-11 | 3M Innovative Properties Company | Artigo de direcionamento de luz |
| WO2017083782A1 (en) | 2015-11-13 | 2017-05-18 | Mirraviz, Inc. | Methods for system layout optimization for retro-reflective based display systems |
| WO2017156448A1 (en) * | 2016-03-11 | 2017-09-14 | Mirraviz, Inc. | Customized reflection profiles for retro-reflective display system optimization |
| KR101817709B1 (ko) | 2016-05-27 | 2018-02-22 | 한국광기술원 | Uv경화 소재를 이용한 패턴 금형 제조방법 |
| CN109313292B (zh) | 2016-06-07 | 2021-07-16 | 3M创新有限公司 | 用于光定向制品的丙烯酸聚乙烯醇缩醛膜 |
| WO2018027071A1 (en) | 2016-08-03 | 2018-02-08 | Mirraviz, Inc. | Real time algorithmic calibration and compensation of virtual and augmented reality systems and optimized semi-transparent and transparent retroreflective display systems and methods |
| US10145672B2 (en) | 2017-01-24 | 2018-12-04 | Lithoptek LLC | Detection of position, orientation and scale of work pieces using retroreflective surfaces |
| CN110325883B (zh) | 2017-02-14 | 2024-01-09 | 3M创新有限公司 | 包含通过立铣制成的微观结构组的安全制品 |
| WO2018191550A1 (en) | 2017-04-13 | 2018-10-18 | Mirraviz, Inc. | Retroreflective display systems configured to display images using shaped light profile |
| DE102018101291B4 (de) | 2018-01-22 | 2020-10-29 | Hans-Erich Gubela | Verwendung und Verfahren zur Herstellung eines elastischen Retroreflektors |
| DE102018101292B4 (de) * | 2018-01-22 | 2020-10-29 | Hans-Erich Gubela | Retroreflektorelement zur Verwendung im Straßenverkehr und Spritzgussform |
| DE102018101289B4 (de) | 2018-01-22 | 2019-10-17 | Imos Gubela Gmbh | Retroreflektor mit einer gekrümmten Oberfläche, Abformwerkzeug zur Herstellung des Retroreflektors und Verfahren zur Herstellung des Abformwerkzeugs |
| US10733402B2 (en) | 2018-04-11 | 2020-08-04 | 3M Innovative Properties Company | System for vehicle identification |
| CN113785226B (zh) | 2019-05-24 | 2025-03-11 | 3M创新有限公司 | 雷达回射制品 |
| WO2020240365A1 (en) * | 2019-05-24 | 2020-12-03 | 3M Innovative Properties Company | Radar reflective article with permittivity gradient |
| CN112180672A (zh) * | 2019-07-05 | 2021-01-05 | 深圳光峰科技股份有限公司 | 一种投影屏幕 |
| US11766822B2 (en) | 2019-08-20 | 2023-09-26 | 3M Innovative Properties Company | Microstructured surface with increased microorganism removal when cleaned, articles and methods |
| EP4017654A1 (en) | 2019-08-20 | 2022-06-29 | 3M Innovative Properties Company | Microstructured surface with increased microorganism removal when cleaned, articles and methods |
| US12434427B2 (en) | 2019-08-20 | 2025-10-07 | Solventum Intellectual Properties Company | Microstructured surface with increased microorganism removal when cleaned, articles and methods |
| CN114269682A (zh) | 2019-08-20 | 2022-04-01 | 3M创新有限公司 | 具有清洁时去除微生物能力增强的微结构化表面的医疗制品及其方法 |
| EP4153060A1 (en) | 2020-05-20 | 2023-03-29 | 3M Innovative Properties Company | Medical articles with microstructured surface |
| KR20230056694A (ko) | 2020-08-27 | 2023-04-27 | 오러 옵티칼 시스템즈, 엘피 | 마이크로프리즘 재귀반사 몰드, 시트 및 물품 및 이의 제조방법 |
| US20230390991A1 (en) | 2020-12-11 | 2023-12-07 | 3M Innovative Properties Company | Method of thermoforming film with structured surface and articles |
| WO2022162528A1 (en) | 2021-01-28 | 2022-08-04 | 3M Innovative Properties Company | Microstructured surface with increased microorganism removal when cleaned, articles and methods |
| WO2022180466A1 (en) | 2021-02-23 | 2022-09-01 | 3M Innovative Properties Company | Medical articles with microstructured surface having increased microorganism removal when cleaned and methods thereof |
| EP4401946A1 (en) | 2021-09-14 | 2024-07-24 | Solventum Intellectual Properties Company | Articles including a microstructured curved surface and methods of making same |
| WO2024141815A1 (en) | 2022-12-28 | 2024-07-04 | 3M Innovative Properties Company | Multilayered articles including a uv barrier layer |
| CN117601320B (zh) * | 2024-01-24 | 2024-04-30 | 福建跃发光新材料股份有限公司 | 斜截面三棱镜阵列的反光材料模具、反光膜及制备方法 |
Family Cites Families (79)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA785139A (en) * | 1968-05-14 | Elastic Stop Nut Corporation Of America | Reflector and method of making same | |
| US835648A (en) | 1906-03-13 | 1906-11-13 | Zeiss Carl Fa | Reflector. |
| US1591572A (en) | 1925-02-05 | 1926-07-06 | Jonathan C Stimson | Process and apparatus for making central triple reflectors |
| US3541606A (en) | 1967-10-16 | 1970-11-17 | Amerace Esna Corp | Reflectorized vehicles and reflectors therefor |
| US3649153A (en) | 1969-11-04 | 1972-03-14 | Peter E Brudy | Faceted core |
| US3684348A (en) | 1970-09-29 | 1972-08-15 | Rowland Dev Corp | Retroreflective material |
| US3712706A (en) | 1971-01-04 | 1973-01-23 | American Cyanamid Co | Retroreflective surface |
| US3873184A (en) | 1973-02-16 | 1975-03-25 | Amerace Esna Corp | Reflector with interspersed angled reflex elements |
| US3926402A (en) | 1973-04-24 | 1975-12-16 | Amerace Corp | Pin having nonaligned cube axis and pin axis and bundle of such pins |
| US3923378A (en) * | 1973-04-24 | 1975-12-02 | Amerace Corp | Cube-corner reflector with non-aligned cube axes and element axes |
| US3887268A (en) | 1973-04-30 | 1975-06-03 | Beatrice Foods Co | Flashing reflector system |
| US3833285A (en) | 1973-05-22 | 1974-09-03 | Amerace Esna Corp | Retrodirective reflector visible over wide range of observation angles |
| USRE29396E (en) | 1975-02-18 | 1977-09-13 | Amerace Corporation | Pin having nonaligned cube axis and pin axis and bundle of such pins |
| US4025159A (en) | 1976-02-17 | 1977-05-24 | Minnesota Mining And Manufacturing Company | Cellular retroreflective sheeting |
| US4066331A (en) | 1976-06-25 | 1978-01-03 | Beatrice Foods Co. | Cube corner type retroreflectors with improved cube corner unit relationships |
| US4066236A (en) | 1976-06-25 | 1978-01-03 | Beatrice Foods Co. | Cube corner type retroreflector bodies and molds made therewith |
| US4095773A (en) | 1976-11-18 | 1978-06-20 | Beatrice Foods Co. | Subassemblies for cube corner type retroreflector molds |
| US4202600A (en) | 1978-04-24 | 1980-05-13 | Avery International Corporation | Diced retroreflective sheeting |
| US4243618A (en) | 1978-10-23 | 1981-01-06 | Avery International Corporation | Method for forming retroreflective sheeting |
| US4332847A (en) | 1979-09-20 | 1982-06-01 | Relfexite Corporation | Method for compression molding of retroreflective sheeting and sheeting produced thereby |
| US4478769A (en) | 1982-09-30 | 1984-10-23 | Amerace Corporation | Method for forming an embossing tool with an optically precise pattern |
| 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 |
| US5156863A (en) | 1982-09-30 | 1992-10-20 | Stimsonite Corporation | Continuous embossing belt |
| AU560276B2 (en) | 1983-09-12 | 1987-04-02 | Minnesota Mining And Manufacturing Company | Cube-corner retroreflective articles |
| US4588258A (en) | 1983-09-12 | 1986-05-13 | Minnesota Mining And Manufacturing Company | Cube-corner retroreflective articles having wide angularity in multiple viewing planes |
| US4703999A (en) * | 1986-06-16 | 1987-11-03 | Minnesota Mining And Manufacturing Company | Wide-angle-reflective cube-corner retroreflective sheeting |
| US4775219A (en) * | 1986-11-21 | 1988-10-04 | Minnesota Mining & Manufacturing Company | Cube-corner retroreflective articles having tailored divergence profiles |
| US4801193A (en) | 1988-03-04 | 1989-01-31 | Reflexite Corporation | Retroreflective sheet material and method of making same |
| US5138488A (en) | 1990-09-10 | 1992-08-11 | Minnesota Mining And Manufacturing Company | Retroreflective material with improved angularity |
| US5117304A (en) | 1990-09-21 | 1992-05-26 | Minnesota Mining And Manufacturing Company | Retroreflective article |
| DE4236799C2 (de) | 1992-10-30 | 1994-09-08 | Gubela Sen Hans Erich | Verfahren zur Herstellung eines Abformwerkzeuges mit einer würfelstrukturförmigen Oberfläche zum Herstellen von Hochleistungs-Tripel-Reflektoren |
| DE4410994C2 (de) | 1992-10-30 | 1996-01-25 | Gubela Sen Hans Erich | Körper oder Bauteil eines strangförmigen Tripelreflektors und Werkzeugelement zur Abformung von Tripelreflektoren |
| DE9216807U1 (de) | 1992-12-03 | 1993-05-19 | Gubela sen., Hans-Erich, 7595 Sasbachwalden | Strukturierte Mikrotripel-Reflexflächen |
| WO1994018581A1 (de) | 1993-01-30 | 1994-08-18 | Kernforschungszentrum Karlsruhe Gmbh | Abformwerkzeug, verfahren zu dessen herstellung und tripelspiegel |
| DE69428450T2 (de) * | 1993-10-20 | 2002-05-16 | Minnesota Mining And Mfg. Co., Saint Paul | Vielfach strukturierter würfelecken-körper |
| DE69411936T2 (de) | 1993-10-20 | 1999-04-08 | Minnesota Mining And Mfg. Co., Saint Paul, Minn. | Ultraflexible retroreflektive würfeleckige zusammengetzte folie und herstellungsverfahren |
| CA2171744A1 (en) | 1993-10-20 | 1995-04-27 | Gerald M. Benson | Directly machined raised structure retroreflective cube corner article and method of manufacture |
| US5759468A (en) | 1993-10-20 | 1998-06-02 | Minnesota Mining And Manufacturing Company | Raised zone retroreflective cube corner article and method of manufacture |
| US5565151A (en) | 1994-09-28 | 1996-10-15 | Reflexite Corporation | Retroreflective prism structure with windows formed thereon |
| US6258443B1 (en) | 1994-09-28 | 2001-07-10 | Reflexite Corporation | Textured retroreflective prism structures and molds for forming same |
| US5780140A (en) | 1996-09-23 | 1998-07-14 | Reflexite Corporation | Retroreflective microprismatic material with top face curvature and method of making same |
| US6206525B1 (en) | 1994-09-28 | 2001-03-27 | Reflexite Corporation | Miniature micro prism retroreflector |
| DE4436799C2 (de) * | 1994-10-14 | 1998-12-17 | Georg Kwiecinski | Schußwaffe mit zielentfernungsabhängiger Sicherung |
| DE69636558T2 (de) | 1995-06-09 | 2007-06-06 | Minnesota Mining And Manufacturing Company, St. Paul | Retroreflektierende Folie und Artikel |
| EP0844056B1 (en) | 1995-07-28 | 2003-04-09 | Nippon Carbide Kogyo Kabushiki Kaisha | Microprism matrix |
| JP3356290B2 (ja) | 1995-07-28 | 2002-12-16 | 日本カーバイド工業株式会社 | マイクロプリズム母型の製造方法 |
| US20030170426A1 (en) | 1995-12-01 | 2003-09-11 | W. Scott Thielman | Cellular retroreflective sheeting |
| US5706132A (en) | 1996-01-19 | 1998-01-06 | Minnesota Mining And Manufacturing Company | Dual orientation retroreflective sheeting |
| US6159407A (en) | 1996-01-26 | 2000-12-12 | 3M Innovative Properties Company | Stacked laminate mold and method of making |
| CA2169807C (en) * | 1996-02-19 | 1999-09-07 | Italo Caroli | Reflex pin with adjusted angle |
| US5763049A (en) * | 1996-04-30 | 1998-06-09 | Minnesota Mining And Manufacturing Company | Formed ultra-flexible retroreflective cube-corner composite sheeting with target optical properties and method for making same |
| US5770124A (en) * | 1996-04-30 | 1998-06-23 | Minnesota Mining And Manufacturing Company | Method of making glittering cube-corner retroreflective sheeting |
| US5948488A (en) | 1996-04-30 | 1999-09-07 | 3M Innovative Properties Company | Glittering cube-corner article |
| US6015214A (en) | 1996-05-30 | 2000-01-18 | Stimsonite Corporation | Retroreflective articles having microcubes, and tools and methods for forming microcubes |
| ATE284306T1 (de) | 1997-07-02 | 2004-12-15 | Minnesota Mining & Mfg | Form für würfeleckenbahnen und verfahren zu deren herstellung |
| EP0993363B1 (en) | 1997-07-02 | 2003-08-27 | Minnesota Mining And Manufacturing Company | Retroreflective cube corner sheeting, molds therefore, and methods of making the same |
| US5981032A (en) | 1997-07-02 | 1999-11-09 | 3M Innovative Properties Company | Retroreflective cube corner sheeting mold and sheeting formed therefrom |
| US5898523A (en) * | 1997-07-02 | 1999-04-27 | Minnesota Mining & Manufacturing Company | Tiled retroreflective sheeting composed of highly canted cube corner elements |
| US6253442B1 (en) * | 1997-07-02 | 2001-07-03 | 3M Innovative Properties Company | Retroreflective cube corner sheeting mold and method for making the same |
| AU6893798A (en) * | 1997-09-25 | 1999-04-12 | Minnesota Mining And Manufacturing Company | Reflective article incorporating highly nonorthogonal reflecting surfaces |
| JP3580999B2 (ja) * | 1997-11-17 | 2004-10-27 | 日本カーバイド工業株式会社 | 三角錐型キューブコーナー再帰反射シート |
| US6036322A (en) | 1997-12-01 | 2000-03-14 | Reflexite Corporation | Multi-orientation retroreflective structure |
| US6120636A (en) | 1998-01-26 | 2000-09-19 | Reflexite Corporation | Apparatus and method for producing retroreflective material having printed patterns thereon |
| US6540367B1 (en) | 1999-04-07 | 2003-04-01 | 3M Innovative Properties Company | Structured surface articles containing geometric structures with compound faces and methods for making same |
| EP2244110A3 (en) | 1999-04-07 | 2011-01-12 | 3M Innovative Properties Company | Mold with structured surface and retroreflective article made using the mold |
| JP3824471B2 (ja) * | 1999-04-21 | 2006-09-20 | 日本カーバイド工業株式会社 | キューブコーナー型再帰反射シート及びキューブコーナー金型 |
| CA2399370A1 (en) * | 2000-01-31 | 2001-08-09 | Nippon Carbide Kogyo Kabushiki Kaisha | Triangular pyramidal cube corner retroreflection element |
| JP3468418B2 (ja) | 2000-03-15 | 2003-11-17 | 日本カーバイド工業株式会社 | 三角錐型キユーブコーナー型再帰反射シート |
| US6592967B2 (en) * | 2001-02-14 | 2003-07-15 | Avery Dennison Corporation | Microprism reflective sheeting with improved retention of reflectivity |
| DE10119671A1 (de) | 2001-04-20 | 2002-10-24 | Sen Hans-Erich Gubela | Umlenkspiegelstruktur, bestehend aus einer Vielzahl von Tripeln |
| AU2002312427A1 (en) * | 2001-06-11 | 2002-12-23 | Avery Dennison Corporation | Retroreflector with controlled divergence made by the method of groove undulation |
| DE10216579A1 (de) | 2002-04-14 | 2003-10-23 | Sen Hans-Erich Gubela | Weitwinkelsensorsystem mit Tripelreflektor und Herstellung der Werkzeuge |
| WO2004006189A1 (en) | 2002-07-08 | 2004-01-15 | Sidec Technologies Ab | Imaging apparatus and method |
| US6902280B2 (en) * | 2002-12-17 | 2005-06-07 | Avery Dennison Corporation | Tri-level cube corner ruling |
| US7174619B2 (en) | 2003-03-06 | 2007-02-13 | 3M Innovative Properties Company | Methods of making microstructured lamina and apparatus |
| US6884371B2 (en) | 2003-03-06 | 2005-04-26 | 3M Innovative Properties Company | Method of making retroreflective sheeting and articles |
| EP2442159A3 (en) | 2003-03-06 | 2012-05-23 | 3M Innovative Properties Co. | Lamina comprising cube corner elements and retroreflective sheeting |
| US7156527B2 (en) | 2003-03-06 | 2007-01-02 | 3M Innovative Properties Company | Lamina comprising cube corner elements and retroreflective sheeting |
| US7410604B2 (en) | 2003-03-06 | 2008-08-12 | 3M Innovative Properties Company | Method of making retroreflective sheeting and slot die apparatus |
-
2004
- 2004-02-26 EP EP11192432A patent/EP2442159A3/en not_active Withdrawn
- 2004-02-26 EP EP11192368.6A patent/EP2442147B1/en not_active Expired - Lifetime
- 2004-02-26 KR KR1020117031031A patent/KR20120007553A/ko not_active Ceased
- 2004-02-26 EP EP11192387A patent/EP2442152A3/en not_active Withdrawn
- 2004-02-26 KR KR1020117031041A patent/KR101257631B1/ko not_active Expired - Lifetime
- 2004-02-26 JP JP2006508834A patent/JP4949829B2/ja not_active Expired - Lifetime
- 2004-02-26 BR BRPI0407946A patent/BRPI0407946B1/pt active IP Right Grant
- 2004-02-26 EP EP11192392A patent/EP2442153A3/en not_active Withdrawn
- 2004-02-26 KR KR1020117031047A patent/KR20120007555A/ko not_active Ceased
- 2004-02-26 EP EP11192357.9A patent/EP2442144B1/en not_active Expired - Lifetime
- 2004-02-26 EP EP11192363A patent/EP2442146A3/en not_active Withdrawn
- 2004-02-26 WO PCT/US2004/005672 patent/WO2004081619A2/en not_active Ceased
- 2004-02-26 EP EP11192405A patent/EP2442155A3/en not_active Ceased
- 2004-02-26 KR KR1020117009940A patent/KR101285682B1/ko not_active Expired - Lifetime
- 2004-02-26 EP EP11192417A patent/EP2442157A3/en not_active Withdrawn
- 2004-02-26 EP EP11192352.0A patent/EP2442143B1/en not_active Expired - Lifetime
- 2004-02-26 EP EP11192396A patent/EP2442154A3/en not_active Withdrawn
- 2004-02-26 EP EP11192382A patent/EP2442151A3/en not_active Withdrawn
- 2004-02-26 EP EP04737307A patent/EP1623253A1/en not_active Withdrawn
- 2004-02-26 EP EP11192370.2A patent/EP2442148B1/en not_active Expired - Lifetime
- 2004-02-26 CA CA2518606A patent/CA2518606C/en not_active Expired - Fee Related
- 2004-02-26 EP EP11192411A patent/EP2442156A3/en not_active Withdrawn
- 2004-02-26 EP EP11192359.5A patent/EP2442145B1/en not_active Expired - Lifetime
- 2004-02-26 KR KR1020057016634A patent/KR101230222B1/ko not_active Expired - Lifetime
- 2004-02-26 EP EP11192377A patent/EP2442149A3/en not_active Withdrawn
- 2004-02-26 EP EP11192427A patent/EP2442158A3/en not_active Withdrawn
- 2004-02-26 EP EP11192381A patent/EP2442150A3/en not_active Withdrawn
- 2004-02-26 EP EP10160993A patent/EP2237082A3/en not_active Withdrawn
-
2005
- 2005-09-02 US US11/219,431 patent/US7188960B2/en not_active Expired - Lifetime
-
2006
- 2006-12-11 US US11/608,870 patent/US7261424B2/en not_active Expired - Lifetime
-
2010
- 2010-09-22 JP JP2010211837A patent/JP5302282B2/ja not_active Expired - Lifetime
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10884166B2 (en) | Retroreflective sheeting including cube corner elements | |
| CA2518606C (en) | Lamina comprising cube corner elements and retroreflective sheeting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20190226 |