CA1008245A - Retroreflective sheeting - Google Patents

Retroreflective sheeting

Info

Publication number
CA1008245A
CA1008245A CA161,182A CA161182A CA1008245A CA 1008245 A CA1008245 A CA 1008245A CA 161182 A CA161182 A CA 161182A CA 1008245 A CA1008245 A CA 1008245A
Authority
CA
Canada
Prior art keywords
retroreflective sheeting
retroreflective
sheeting
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
CA161,182A
Other languages
English (en)
Other versions
CA161182S (fr
Inventor
Chi F. Tung
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
Application granted granted Critical
Publication of CA1008245A publication Critical patent/CA1008245A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors
    • G02B5/126Reflex reflectors including curved refracting surface
    • G02B5/128Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/04Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418Constructional details
    • G09F13/0472Traffic signs
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/04Signs, boards or panels, illuminated from behind the insignia
    • G09F13/08Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/16Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
  • Decoration Of Textiles (AREA)
CA161,182A 1972-01-24 1973-01-12 Retroreflective sheeting Expired CA1008245A (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
CA1008245A true CA1008245A (en) 1977-04-12

Family

ID=26914614

Family Applications (1)

Application Number Title Priority Date Filing Date
CA161,182A Expired CA1008245A (en) 1972-01-24 1973-01-12 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)

Families Citing this family (17)

* 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
GB2321814B (en) * 1997-01-28 2001-02-14 British Broadcasting Corp Video imaging
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
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
KR100851680B1 (ko) 2007-09-15 2008-08-13 (주)리플로맥스 인장강도가 향상된 큐브 코너형 재귀반사시트
EP2040244A1 (fr) * 2007-09-18 2009-03-25 3M Innovative Properties Company Dispositif d'éclairage et article activement éclairé
US9044055B2 (en) 2009-03-12 2015-06-02 3M Innovative Properties Company Garment with a retroreflective and electroluminescent article
EP2407010B1 (fr) 2009-03-12 2018-01-10 3M Innovative Properties Company Article réfléchissant et électroluminescent laminé et méthode
US8727550B2 (en) 2009-03-12 2014-05-20 Oryon Technologies, Llc Hybrid electroluminescent assembly
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
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
BE794394A (fr) 1973-07-23
DE2303578C3 (de) 1975-04-03
GB1424754A (en) 1976-02-11
SE390830B (sv) 1977-01-24
FR2169619A5 (fr) 1973-09-07
JPS4882163A (fr) 1973-11-02

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