CA2214121C - Application reflechissante - Google Patents

Application reflechissante Download PDF

Info

Publication number
CA2214121C
CA2214121C CA002214121A CA2214121A CA2214121C CA 2214121 C CA2214121 C CA 2214121C CA 002214121 A CA002214121 A CA 002214121A CA 2214121 A CA2214121 A CA 2214121A CA 2214121 C CA2214121 C CA 2214121C
Authority
CA
Canada
Prior art keywords
layer
applique
optical lens
supporting structure
retroreflective
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
Application number
CA002214121A
Other languages
English (en)
Other versions
CA2214121A1 (fr
Inventor
Vera L. Lightle
Britton G. Billingsley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority claimed from PCT/US1996/001897 external-priority patent/WO1996029620A1/fr
Publication of CA2214121A1 publication Critical patent/CA2214121A1/fr
Application granted granted Critical
Publication of CA2214121C publication Critical patent/CA2214121C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

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

Abstract

Application réfléchissante (10) comportant une structure support (12) une couche d'éléments optiques lenticulaires (14) et un matériau réfléchissant (16). La couche optique (14) est partiellement encastrée dans la structure support (12), et le matériau réfléchissant (16) est disposé sur la partie encastrée de la couche optique (14). La structure support (12) peut comporter une couche de liaison (24) et une couche d'adhésif thermocollant (26). La couche de liaison (24) comporte une couche d'un polymère acrylique non filamenteux. Ladite structure support (12) élimine la nécessité d'une couche antiadhésive sur la face dorsale (20) de la de la couche thermocollante (26) et permet à une nappe porteuse (28) d'être séparé de la structure support polymère (12) avant que l'application (16) ne soit définitivement fixée à son substrat. La séparation peut se faire sans pratiquement altérer les qualités réflectrices de l'application.
CA002214121A 1995-03-23 1996-02-13 Application reflechissante Expired - Fee Related CA2214121C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40985595A 1995-03-23 1995-03-23
US08/409,855 1995-03-23
PCT/US1996/001897 WO1996029620A1 (fr) 1995-03-23 1996-02-13 Application reflechissante

Publications (2)

Publication Number Publication Date
CA2214121A1 CA2214121A1 (fr) 1996-09-26
CA2214121C true CA2214121C (fr) 2007-05-01

Family

ID=38051352

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002214121A Expired - Fee Related CA2214121C (fr) 1995-03-23 1996-02-13 Application reflechissante

Country Status (1)

Country Link
CA (1) CA2214121C (fr)

Also Published As

Publication number Publication date
CA2214121A1 (fr) 1996-09-26

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Legal Events

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EEER Examination request
MKLA Lapsed