GB1414237A – Retroreflective structure
– Google Patents
GB1414237A – Retroreflective structure
– Google Patents
Retroreflective structure
Info
Publication number
GB1414237A
GB1414237A
GB5147673A
GB5147673A
GB1414237A
GB 1414237 A
GB1414237 A
GB 1414237A
GB 5147673 A
GB5147673 A
GB 5147673A
GB 5147673 A
GB5147673 A
GB 5147673A
GB 1414237 A
GB1414237 A
GB 1414237A
Authority
GB
United Kingdom
Prior art keywords
dye
light
daylight
retroreflective
component
Prior art date
1972-11-06
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
Application number
GB5147673A
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.)
Rowland Development Corp
Original Assignee
Rowland Development Corp
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.)
1972-11-06
Filing date
1973-11-06
Publication date
1975-11-19
1973-11-06
Application filed by Rowland Development Corp
filed
Critical
Rowland Development Corp
1975-11-19
Publication of GB1414237A
publication
Critical
patent/GB1414237A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
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
B44—DECORATIVE ARTS
B44F—SPECIAL DESIGNS OR PICTURES
B44F1/00—Designs or pictures characterised by special or unusual light effects
B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
B44F1/04—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back
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
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S428/00—Stock material or miscellaneous articles
Y10S428/913—Material designed to be responsive to temperature, light, moisture
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.]
Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
Y10T428/24364—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.] with transparent or protective coating
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
Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
Abstract
1414237 Uses of luminescence ROWLAND DEVELOPMENT CORP 6 Nov 1973 [6 Nov 1972] 51476/73 Heading C4S [Also in Divisions G4-G6 and G2] A material having a different appearance in light with and without an U.V. component, e.g. daylight and artificial light comprises a retroreflective arrangement 12 behind a material 36 containing a transparent coloured fluorescent dye. Daylight having a substantial U.V. component produces fluorescence of a particular colour, e.g. orange, there being no retroreflective effect since daylight is diffuse. In artificial light with no U.V. component there is no fluorescence and when incident light is columnar, e.g. from car head lamps light is retroreflected back; in this case the dye acts as a filter and the reflected light is of a different colour, e.g. red. The material comprises a retroflective arrangement of cube carrier formations 12 on a substrate 14, a plastic film or coating 36 containing a fluorescent dye, a reflecting coating 30, a tacky adhesive layer 32 and a paper backing 34. The material is secured to a surface by the adhesive when the paper is removed. The dye may be painted on to the substrate and diffuse into it when a pattern is to be formed for use as a sign. Alternatively the dye may be incorporated in the material forming the retroreflective elements. These elements are of injection moulded acrylic polymer with a cube size of 0À004-0À008 inch or comprise spherical glass beads. The material is used for emergency warning road signs and decorative ornaments. Rhodamine and fluorescein dyes are referred to; an orange dye may be added to increase the contrast between daylight and artificial light appearance.
GB5147673A
1972-11-06
1973-11-06
Retroreflective structure
Expired
GB1414237A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US00304142A
US3830682A
(en)
1972-11-06
1972-11-06
Retroreflecting signs and the like with novel day-night coloration
Publications (1)
Publication Number
Publication Date
GB1414237A
true
GB1414237A
(en)
1975-11-19
Family
ID=23175242
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB5147673A
Expired
GB1414237A
(en)
1972-11-06
1973-11-06
Retroreflective structure
Country Status (5)
Country
Link
US
(1)
US3830682A
(en)
JP
(1)
JPS5845001B2
(en)
CA
(1)
CA982818A
(en)
DE
(1)
DE2355362C3
(en)
GB
(1)
GB1414237A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2662268A1
(en)
*
1990-05-16
1991-11-22
Reflexite Corp
METHOD FOR PRODUCING REFLECTIVE AND FLEXIBLE SHEET ELEMENT
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US
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patent/US3830682A/en
not_active
Expired – Lifetime
1973
1973-11-05
JP
JP48124304A
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not_active
Expired
1973-11-06
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DE2355362A
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Expired
1973-11-06
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GB5147673A
patent/GB1414237A/en
not_active
Expired
1973-11-06
CA
CA185,128A
patent/CA982818A/en
not_active
Expired
Cited By (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2662268A1
(en)
*
1990-05-16
1991-11-22
Reflexite Corp
METHOD FOR PRODUCING REFLECTIVE AND FLEXIBLE SHEET ELEMENT
GB2245219A
(en)
*
1990-05-16
1992-01-02
Reflexite Corp
Making flexible retroreflective sheet material.
GB2245219B
(en)
*
1990-05-16
1994-04-27
Reflexite Corp
Method of making flexible retroreflective sheet material
Also Published As
Publication number
Publication date
US3830682A
(en)
1974-08-20
DE2355362B2
(en)
1980-01-17
JPS5047591A
(en)
1975-04-28
DE2355362A1
(en)
1974-05-22
DE2355362C3
(en)
1980-09-11
CA982818A
(en)
1976-02-03
JPS5845001B2
(en)
1983-10-06
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Legal Events
Date
Code
Title
Description
1976-03-31
PS
Patent sealed [section 19, patents act 1949]
1993-12-08
PE20
Patent expired after termination of 20 years
Effective date:
19931105
