BRPI0418341A - artigo retrorreflexivo com variação de cor e método para produzir um artigo retrorreflexivo com variação de cor - Google Patents

artigo retrorreflexivo com variação de cor e método para produzir um artigo retrorreflexivo com variação de cor

Info

Publication number
BRPI0418341A
BRPI0418341A BRPI0418341-0A BRPI0418341A BRPI0418341A BR PI0418341 A BRPI0418341 A BR PI0418341A BR PI0418341 A BRPI0418341 A BR PI0418341A BR PI0418341 A BRPI0418341 A BR PI0418341A
Authority
BR
Brazil
Prior art keywords
color
layer
reflective
article
changing
Prior art date
Application number
BRPI0418341-0A
Other languages
English (en)
Inventor
Robert J Fleming
Christopher S Lyons
Joseph M Mcgrath
Jesus R Ramos
Mark A Roehrig
Clark I Bright
Original Assignee
3M Innovative Properties Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of BRPI0418341A publication Critical patent/BRPI0418341A/pt

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457—Parallel ribs and/or grooves
    • Y10T428/24579—Parallel ribs and/or grooves with particulate matter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)

Abstract

ARTIGO RETRORREFLEXIVO COM VARIAçãO DE COR E MéTODO PARA PRODUZIR UM ARTIGO RETRORREFLEXIVO COM VARIAçãO DE COR Artigos retrorreflexivos com variação de cor podem prover características tais efeitos decorativos, evidência adulteração, autenticação de segurança ou informação de posição. Em algumas modalidades, o artigo retrorreflexivo com variação de cor compreende uma camada de microesfera (14), e um revestimento reflexivo que está disposto em associação óptica com a camada de microesferas. O revestimento reflexivo inclui uma camada espaçadora (24) disposta entre uma primeira camada reflexiva semitransparente (22) e uma segunda camada reflexiva (26) . A primeira camada reflexiva unclui uma camada reflxiva disposta adjacente à camada de microesferas (tl, t2). Pelo menos uma camada do revestimento reflexivo inclui um espessura não uniformes associada com cada uma de uma pluraridade de de microesferas de tal modo que a luz incidente sobre o artigo a partir de uma primeira direção é retrorreflexitida a um primeira cor e a luz incidente sobre o artigo a partir de uma segunda direção é retrorrefletida a uma segunda cor visivelmente diferente da primeira cor.
BRPI0418341-0A 2003-12-30 2004-12-28 artigo retrorreflexivo com variação de cor e método para produzir um artigo retrorreflexivo com variação de cor BRPI0418341A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53396203P 2003-12-30 2003-12-30
PCT/US2004/043549 WO2005066667A1 (en) 2003-12-30 2004-12-28 Color shifting retroreflector and method of making same

Publications (1)

Publication Number Publication Date
BRPI0418341A true BRPI0418341A (pt) 2007-05-02

Family

ID=34748982

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0418341-0A BRPI0418341A (pt) 2003-12-30 2004-12-28 artigo retrorreflexivo com variação de cor e método para produzir um artigo retrorreflexivo com variação de cor

Country Status (7)

Country Link
US (1) US7140741B2 (pt)
EP (1) EP1700142A1 (pt)
JP (1) JP4787173B2 (pt)
KR (1) KR101088562B1 (pt)
BR (1) BRPI0418341A (pt)
TW (1) TW200535458A (pt)
WO (1) WO2005066667A1 (pt)

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EP2310885B1 (en) * 2008-07-10 2017-03-29 3M Innovative Properties Company Retroreflective articles and devices having viscoelastic lightguide
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AU2010353971B2 (en) 2010-05-25 2014-11-27 3M Innovative Properties Company Exposed lens retroreflective article
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EP3137931A1 (en) * 2014-04-30 2017-03-08 3M Innovative Properties Company Stain resistant retroreflective articles
CN106461825B (zh) * 2014-05-09 2020-04-03 3M创新有限公司 彩色回射制品
WO2016022940A1 (en) * 2014-08-08 2016-02-11 3M Innovative Properties Company Retroreflective elements including particles
JP5766343B1 (ja) * 2014-10-24 2015-08-19 ユニチカスパークライト株式会社 再帰性反射性材料
EP3583450A1 (en) 2017-02-20 2019-12-25 3M Innovative Properties Company Optical articles and systems interacting with the same
US20180320859A1 (en) * 2017-05-04 2018-11-08 Case-Mate, Inc. Electronics case with light-reflective elements
KR20200061370A (ko) 2017-09-27 2020-06-02 쓰리엠 이노베이티브 프로퍼티즈 캄파니 장비 및 안전 모니터링을 위하여 광학 패턴들을 이용하는 개인 보호 장비 관리 시스템
CN111344607B (zh) 2017-10-27 2022-06-07 3M创新有限公司 包括具有双层结构的颜色层的外露透镜回射制品
CN111344606A (zh) 2017-10-27 2020-06-26 3M创新有限公司 包括含有主反射层和次反射层的回射元件的回射制品
US11493674B2 (en) 2017-10-27 2022-11-08 3M Innovative Properties Company Retroreflective article comprising embedded reflective layers
EP3701296A4 (en) * 2017-10-27 2021-07-28 3M Innovative Properties Company EXPOSED LENS RETREFLIORING ITEM CONTAINING LOCALIZED COLORED LAYERS
CN111279227B (zh) 2017-10-27 2023-01-17 3M创新有限公司 包括局部层压反射层的回射制品
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JP7358356B2 (ja) 2017-12-13 2023-10-10 スリーエム イノベイティブ プロパティズ カンパニー 高透過率の光制御フィルム
US12523803B2 (en) 2018-03-30 2026-01-13 3M Innovative Properties Company Retroreflective article including a non-reflective conformal wavelength-selective radiation absorbing coating layer, and methods of making same
JP7321245B2 (ja) 2018-07-17 2023-08-04 スリーエム イノベイティブ プロパティズ カンパニー 適合性のあるカラーシフトラミネート
JP7541973B2 (ja) 2018-08-01 2024-08-29 スリーエム イノベイティブ プロパティズ カンパニー 高透過率の光制御フィルム
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US12287502B2 (en) 2019-06-12 2025-04-29 3M Innovative Properties Company Coated substrate comprising electrically conductive particles and dried aqueous dispersion of organic polymer
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JP2021133532A (ja) * 2020-02-25 2021-09-13 三菱鉛筆株式会社 筆記具
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Also Published As

Publication number Publication date
US7140741B2 (en) 2006-11-28
EP1700142A1 (en) 2006-09-13
US20050162742A1 (en) 2005-07-28
JP4787173B2 (ja) 2011-10-05
JP2007517265A (ja) 2007-06-28
TW200535458A (en) 2005-11-01
WO2005066667A1 (en) 2005-07-21
KR101088562B1 (ko) 2011-12-05
KR20060129335A (ko) 2006-12-15

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]