GB1424754A - Light transmissive retroreflective sheeting - Google Patents

Light transmissive retroreflective sheeting

Info

Publication number
GB1424754A
GB1424754A GB326973A GB326973A GB1424754A GB 1424754 A GB1424754 A GB 1424754A GB 326973 A GB326973 A GB 326973A GB 326973 A GB326973 A GB 326973A GB 1424754 A GB1424754 A GB 1424754A
Authority
GB
United Kingdom
Prior art keywords
microspheres
filaments
light
layer
sheet
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
Application number
GB326973A
Other languages
English (en)
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
Priority claimed from US00244837A external-priority patent/US3802944A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1424754A publication Critical patent/GB1424754A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0472—Traffic signs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/08—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape
GB326973A 1972-01-24 1973-01-22 Light transmissive retroreflective sheeting Expired GB1424754A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22015272A 1972-01-24 1972-01-24
US00244837A US3802944A (en) 1972-04-17 1972-04-17 Retroreflective sheeting

Publications (1)

Publication Number Publication Date
GB1424754A true GB1424754A (en) 1976-02-11

Family

ID=26914614

Family Applications (1)

Application Number Title Priority Date Filing Date
GB326973A Expired GB1424754A (en) 1972-01-24 1973-01-22 Light transmissive retroreflective sheeting

Country Status (8)

Country Link
JP (1) JPS4882163A (fr)
BE (1) BE794394A (fr)
CA (1) CA1008245A (fr)
DE (1) DE2303578C3 (fr)
FR (1) FR2169619A5 (fr)
GB (1) GB1424754A (fr)
IT (1) IT977025B (fr)
SE (1) SE390830B (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2321565A (en) * 1997-01-28 1998-07-29 British Broadcasting Corp Retro-reflective flexible material sheet for use as background in chroma-keying video image composition system
GB2339711A (en) * 1998-07-21 2000-02-09 Swintex Fabric reinforced retroreflective assembly
US7175901B1 (en) 1999-01-14 2007-02-13 Reflec Plc Retroreflective inks
EP2040244A1 (fr) * 2007-09-18 2009-03-25 3M Innovative Properties Company Dispositif d'éclairage et article activement éclairé
EP2195690A2 (fr) * 2007-09-15 2010-06-16 Reflomax Co. Ltd. Feuille autoréfléchissante de type trièdre trirectangle présentant une force de traction supérieure
US8288940B2 (en) 2009-03-12 2012-10-16 3M Innovative Properties Company Laminate reflective and electroluminescent article
US8727550B2 (en) 2009-03-12 2014-05-20 Oryon Technologies, Llc Hybrid electroluminescent assembly
US9044055B2 (en) 2009-03-12 2015-06-02 3M Innovative Properties Company Garment with a retroreflective and electroluminescent article
WO2016174492A1 (fr) * 2015-04-28 2016-11-03 C.R.Y. Sas Produit filamenteux, allongé, rétro-réfléchissant, procédé de fabrication associé, ses utilisations et produits fabriqués à partir d'un tel produit
CN116705900A (zh) * 2023-05-29 2023-09-05 浙江夜光明光电科技股份有限公司 双玻太阳能背板上用的玻璃微珠型反射材料的制备方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763169A (en) * 1980-09-30 1982-04-16 Matsushita Electric Works Ltd Surface finishing method for plate for buildings
SE8704680D0 (sv) * 1987-04-27 1987-11-25 Lars Sefastsson Sjelvlysande anordning
US4952023A (en) * 1988-03-18 1990-08-28 Minnesota Mining And Manufacturing Company Internally illuminated retroreflective sign
JPH01173703U (fr) * 1988-05-27 1989-12-11
JP2881229B2 (ja) * 1988-11-21 1999-04-12 株式会社丸仁 再帰反射面を有するシート、及びその製造方法
US5128804A (en) * 1991-02-06 1992-07-07 Minnesota Mining And Manufacturing Company Permeable retroreflective sheeting
JP4925533B2 (ja) * 2001-09-27 2012-04-25 日本カーバイド工業株式会社 標識用基材及び標識システム

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2321565A (en) * 1997-01-28 1998-07-29 British Broadcasting Corp Retro-reflective flexible material sheet for use as background in chroma-keying video image composition system
GB2321565B (en) * 1997-01-28 1999-12-01 British Broadcasting Corp Retro-reflective material
GB2339711A (en) * 1998-07-21 2000-02-09 Swintex Fabric reinforced retroreflective assembly
GB2339711B (en) * 1998-07-21 2002-07-31 Swintex Fabric reinforced retroreflective assembly
US7175901B1 (en) 1999-01-14 2007-02-13 Reflec Plc Retroreflective inks
EP2195690A4 (fr) * 2007-09-15 2011-11-23 Reflomax Co Ltd Feuille autoréfléchissante de type trièdre trirectangle présentant une force de traction supérieure
EP2195690A2 (fr) * 2007-09-15 2010-06-16 Reflomax Co. Ltd. Feuille autoréfléchissante de type trièdre trirectangle présentant une force de traction supérieure
US8317341B2 (en) 2007-09-15 2012-11-27 Reflomax Co., Ltd. Cube-corner type self-reflection sheet having improved tensile strength
WO2009038968A1 (fr) * 2007-09-18 2009-03-26 3M Innovative Properties Company Dispositif d'éclairage et article activement éclairé
EP2040244A1 (fr) * 2007-09-18 2009-03-25 3M Innovative Properties Company Dispositif d'éclairage et article activement éclairé
US8288940B2 (en) 2009-03-12 2012-10-16 3M Innovative Properties Company Laminate reflective and electroluminescent article
US8727550B2 (en) 2009-03-12 2014-05-20 Oryon Technologies, Llc Hybrid electroluminescent assembly
US9044055B2 (en) 2009-03-12 2015-06-02 3M Innovative Properties Company Garment with a retroreflective and electroluminescent article
WO2016174492A1 (fr) * 2015-04-28 2016-11-03 C.R.Y. Sas Produit filamenteux, allongé, rétro-réfléchissant, procédé de fabrication associé, ses utilisations et produits fabriqués à partir d'un tel produit
CN116705900A (zh) * 2023-05-29 2023-09-05 浙江夜光明光电科技股份有限公司 双玻太阳能背板上用的玻璃微珠型反射材料的制备方法
CN116705900B (zh) * 2023-05-29 2023-12-19 浙江夜光明光电科技股份有限公司 双玻太阳能背板上用的玻璃微珠型反射材料的制备方法

Also Published As

Publication number Publication date
DE2303578B2 (de) 1974-07-25
DE2303578A1 (de) 1973-08-02
IT977025B (it) 1974-09-10
CA1008245A (en) 1977-04-12
BE794394A (fr) 1973-07-23
DE2303578C3 (de) 1975-04-03
SE390830B (sv) 1977-01-24
FR2169619A5 (fr) 1973-09-07
JPS4882163A (fr) 1973-11-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee