ES2060409T3 - Material retrorreflectante con angularidad mejorada. - Google Patents

Material retrorreflectante con angularidad mejorada.

Info

Publication number
ES2060409T3
ES2060409T3 ES91918872T ES91918872T ES2060409T3 ES 2060409 T3 ES2060409 T3 ES 2060409T3 ES 91918872 T ES91918872 T ES 91918872T ES 91918872 T ES91918872 T ES 91918872T ES 2060409 T3 ES2060409 T3 ES 2060409T3
Authority
ES
Spain
Prior art keywords
angularity
cube
corner
reflective material
canting
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 - Lifetime
Application number
ES91918872T
Other languages
English (en)
Inventor
Theodore J Szczech
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
Application granted granted Critical
Publication of ES2060409T3 publication Critical patent/ES2060409T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors
    • G02B5/122Reflex reflectors cube corner, trihedral or triple reflector type
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors
    • G02B5/122Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2001/00Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
    • B29K2001/08Cellulose derivatives
    • B29K2001/12Cellulose acetate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2001/00Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
    • B29K2001/08Cellulose derivatives
    • B29K2001/14Cellulose acetate-butyrate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/003Reflective

Abstract

LA INVENCION SUMINISTRA UN ARTICULO RETROREFLECTOR MEJORADO CON ESQUINAS EN FORMA DE CUBO QUE EXHIBE UNA AMPLIA BANDA DE ANGULARIDAD RETROREFLECTIVA EN MULTIPLES PLANOS DE VISION. LA INVENCION SUMINISTRA ELEMENTOS RETROREFLECTIVO CON ESQUINAS EN FORMA DE CUBO QUE TIENEN UN TAMAÑO MENOR, SI SE MIDEN POR LA ALTURA DE LAS ESQUINAS, HACIENDO DESCENDER DE ESTA FORMA LA CANTIDAD DE ACHAFLANAMIENTO REQUERIDA PARA CONSEGUIR UNA ANGULARIDAD DADA. ALTERNATIVA, PUEDE MEJORARSE LA ANGULARIDAD HACIENDO QUE EL GRADO DE INCLINACION SE CONSTANTE Y DISMINUYENDO EL TAMAÑO DE LAS ESQUINAS DEL CUBO.
ES91918872T 1990-09-10 1991-07-29 Material retrorreflectante con angularidad mejorada. Expired - Lifetime ES2060409T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/579,566 US5138488A (en) 1990-09-10 1990-09-10 Retroreflective material with improved angularity

Publications (1)

Publication Number Publication Date
ES2060409T3 true ES2060409T3 (es) 1994-11-16

Family

ID=24317428

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91918872T Expired - Lifetime ES2060409T3 (es) 1990-09-10 1991-07-29 Material retrorreflectante con angularidad mejorada.

Country Status (14)

Country Link
US (1) US5138488A (es)
EP (1) EP0548280B1 (es)
JP (1) JP3001974B2 (es)
KR (1) KR100245174B1 (es)
AT (1) ATE112067T1 (es)
AU (1) AU652001B2 (es)
CA (1) CA2089571C (es)
DE (1) DE69104214T2 (es)
DK (1) DK0548280T3 (es)
ES (1) ES2060409T3 (es)
HK (1) HK1006748A1 (es)
IE (1) IE66898B1 (es)
NO (1) NO930868L (es)
WO (1) WO1992004647A1 (es)

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CA2089571C (en) 2002-01-08
EP0548280A1 (en) 1993-06-30
CA2089571A1 (en) 1992-03-11
DE69104214D1 (de) 1994-10-27
HK1006748A1 (en) 1999-03-12
DE69104214T2 (de) 1995-04-13
NO930868L (no) 1993-05-10
IE66898B1 (en) 1996-02-07
US5138488A (en) 1992-08-11
ATE112067T1 (de) 1994-10-15
JPH06501111A (ja) 1994-01-27
KR930702693A (ko) 1993-09-09
EP0548280B1 (en) 1994-09-21
IE912802A1 (en) 1992-03-11
AU8750191A (en) 1992-03-30
JP3001974B2 (ja) 2000-01-24
AU652001B2 (en) 1994-08-11
DK0548280T3 (da) 1994-10-17
KR100245174B1 (ko) 2000-02-15
WO1992004647A1 (en) 1992-03-19
NO930868D0 (no) 1993-03-09

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