IT977025B - Materiale in foglio retro riflet tente particolarmente per la produzione di segnali stradali - Google Patents

Materiale in foglio retro riflet tente particolarmente per la produzione di segnali stradali

Info

Publication number
IT977025B
IT977025B IT47856/73A IT4785673A IT977025B IT 977025 B IT977025 B IT 977025B IT 47856/73 A IT47856/73 A IT 47856/73A IT 4785673 A IT4785673 A IT 4785673A IT 977025 B IT977025 B IT 977025B
Authority
IT
Italy
Prior art keywords
production
sheet material
reflective sheet
traffic signals
material particularly
Prior art date
Application number
IT47856/73A
Other languages
English (en)
Original Assignee
Minnesota Mining & Mfg
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 & Mfg filed Critical Minnesota Mining & Mfg
Application granted granted Critical
Publication of IT977025B publication Critical patent/IT977025B/it

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Optics & Photonics (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)
IT47856/73A 1972-01-24 1973-01-23 Materiale in foglio retro riflet tente particolarmente per la produzione di segnali stradali IT977025B (it)

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
IT977025B true IT977025B (it) 1974-09-10

Family

ID=26914614

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47856/73A IT977025B (it) 1972-01-24 1973-01-23 Materiale in foglio retro riflet tente particolarmente per la produzione di segnali stradali

Country Status (8)

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

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 (it) * 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
WO2000042113A1 (en) 1999-01-14 2000-07-20 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 (en) * 2007-09-18 2009-03-25 3M Innovative Properties Company Illumination device and actively illuminated article
WO2010104671A1 (en) 2009-03-12 2010-09-16 3M Innovative Properties Company Laminate reflective and electroluminescent article
EP2405778B1 (en) 2009-03-12 2013-07-17 3M Innovative Properties Company Garment with a retroreflective and electroluminescent article
US8727550B2 (en) 2009-03-12 2014-05-20 Oryon Technologies, Llc Hybrid electroluminescent assembly
WO2016174492A1 (en) * 2015-04-28 2016-11-03 C.R.Y. Sas Retroreflective, elongated, filamentous product, process for making the same, uses thereof and products made therefrom
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
DE2303578C3 (de) 1975-04-03
JPS4882163A (it) 1973-11-02
SE390830B (sv) 1977-01-24
DE2303578B2 (de) 1974-07-25
GB1424754A (en) 1976-02-11
DE2303578A1 (de) 1973-08-02
BE794394A (fr) 1973-07-23
FR2169619A5 (it) 1973-09-07
CA1008245A (en) 1977-04-12

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