DE68915367D1 - Effizientes Material für einen Retroreflektor. - Google Patents

Effizientes Material für einen Retroreflektor.

Info

Publication number
DE68915367D1
DE68915367D1 DE68915367T DE68915367T DE68915367D1 DE 68915367 D1 DE68915367 D1 DE 68915367D1 DE 68915367 T DE68915367 T DE 68915367T DE 68915367 T DE68915367 T DE 68915367T DE 68915367 D1 DE68915367 D1 DE 68915367D1
Authority
DE
Germany
Prior art keywords
sin
length
reflecting elements
triangular face
tetragonal faces
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 - Fee Related
Application number
DE68915367T
Other languages
English (en)
Other versions
DE68915367T2 (de
Inventor
John C Nelson
Sanford Cobb Jr
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
Publication of DE68915367D1 publication Critical patent/DE68915367D1/de
Application granted granted Critical
Publication of DE68915367T2 publication Critical patent/DE68915367T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
    • B29K2001/08—Cellulose derivatives
    • B29K2001/12—Cellulose acetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
    • B29K2001/08—Cellulose derivatives
    • B29K2001/14—Cellulose acetate-butyrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/003—Reflective
    • 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
DE68915367T 1988-07-26 1989-07-24 Effizientes Material für einen Retroreflektor. Expired - Fee Related DE68915367T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/224,387 US4895428A (en) 1988-07-26 1988-07-26 High efficiency retroreflective material

Publications (2)

Publication Number Publication Date
DE68915367D1 true DE68915367D1 (de) 1994-06-23
DE68915367T2 DE68915367T2 (de) 1994-11-17

Family

ID=22840458

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915367T Expired - Fee Related DE68915367T2 (de) 1988-07-26 1989-07-24 Effizientes Material für einen Retroreflektor.

Country Status (12)

Country Link
US (1) US4895428A (de)
EP (1) EP0356005B1 (de)
JP (1) JP2735299B2 (de)
KR (1) KR0152071B1 (de)
CN (1) CN1020003C (de)
AT (1) ATE105941T1 (de)
AU (1) AU618615B2 (de)
BR (1) BR8903688A (de)
CA (1) CA1321726C (de)
DE (1) DE68915367T2 (de)
ES (1) ES2052920T3 (de)
MX (1) MX166717B (de)

Families Citing this family (139)

* Cited by examiner, † Cited by third party
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US5117304A (en) * 1990-09-21 1992-05-26 Minnesota Mining And Manufacturing Company Retroreflective article
US5069577A (en) * 1990-10-23 1991-12-03 Murphy Patrick E Flexible raised pavement marker
US5084782A (en) * 1990-12-20 1992-01-28 Eastman Kodak Company Decorative tape
IT1246529B (it) * 1991-03-26 1994-11-24 Giorgio Corradi Pellicola rifrangente ad elevato indice di luminescenza.
CA2064484C (en) * 1991-04-11 1998-08-11 William P. Rowland Retroreflective sheet
US5162872A (en) * 1991-07-02 1992-11-10 The United States Of America As Represented The Secretary Of The Air Force Tilt/shear immune tunable fabry-perot interferometer
US5189554A (en) * 1991-09-30 1993-02-23 The United States Of America As Represented By The Secretary Of The Air Force Telescope baffle system
US5415911A (en) * 1992-01-16 1995-05-16 Stimsonite Corporation Photoluminescent retroreflective sheeting
US5977263A (en) * 1992-12-10 1999-11-02 3M Innovative Properties Company Thermal transfer compositions, articles and graphic articles made with same
WO1994018581A1 (de) * 1993-01-30 1994-08-18 Kernforschungszentrum Karlsruhe Gmbh Abformwerkzeug, verfahren zu dessen herstellung und tripelspiegel
US5600484A (en) 1993-10-20 1997-02-04 Minnesota Mining And Manufacturing Company Machining techniques for retroreflective cube corner article and method of manufacture
US5696627A (en) * 1993-10-20 1997-12-09 Minnesota Mining And Manufacturing Company Directly machined raised structure retroreflective cube corner article and method of manufacture
US5691846A (en) * 1993-10-20 1997-11-25 Minnesota Mining And Manufacturing Company Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture
US5450235A (en) 1993-10-20 1995-09-12 Minnesota Mining And Manufacturing Company Flexible cube-corner retroreflective sheeting
US5564870A (en) * 1993-10-20 1996-10-15 Minnesota Mining And Manufacturing Company Method of manufacturing an asymmetric cube corner article
US6318867B1 (en) 1993-10-20 2001-11-20 3M Innovative Properties Company Conformable cube corner retroreflective sheeting
US5585164A (en) * 1993-10-20 1996-12-17 Minnesota Mining And Manufacturing Company Dual groove set retroreflective cube corner article and method of manufacture
US5614286A (en) * 1993-10-20 1997-03-25 Minnesota Mining And Manufacturing Company Conformable cube corner retroreflective sheeting
EP0724733B1 (de) * 1993-10-20 2001-09-26 Minnesota Mining And Manufacturing Company Vielfach strukturierter würfelecken-körper
US5759468A (en) * 1993-10-20 1998-06-02 Minnesota Mining And Manufacturing Company Raised zone retroreflective cube corner article and method of manufacture
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BR9509622A (pt) * 1994-11-07 1998-01-06 Minnesota Mining & Mfg Artigo de sinalização e processo de produção do mesmo
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US5706133A (en) * 1995-02-09 1998-01-06 Minnesota Mining And Manufacturing Company Retroreflective signage articles, kits for producing same, and methods of making signage articles
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BR9608793A (pt) * 1995-05-19 1999-02-17 Minnesota Mining & Mfg Marcador de pavimento saliente
US5677050A (en) * 1995-05-19 1997-10-14 Minnesota Mining And Manufacturing Company Retroreflective sheeting having an abrasion resistant ceramer coating
US5667335A (en) * 1995-05-19 1997-09-16 Minnesota Mining And Manufacturing Commpany Fiber reinforced raised pavement marker and method of making
DE69629685T2 (de) * 1995-06-09 2004-06-17 Minnesota Mining And Mfg. Co., Saint Paul Retroflektierender, würfeleckiger körper mit ungleichseitigen basisdreiecken
US5639530A (en) * 1995-06-16 1997-06-17 Minnesota Mining And Manufacturing Company Retroreflective articles comprising a non-thermoplastic hydrocarbon elastomer adhesive layer for life saving devices at sea
US20030170426A1 (en) * 1995-12-01 2003-09-11 W. Scott Thielman Cellular retroreflective sheeting
USD383312S (en) * 1996-01-19 1997-09-09 Minnesota Mining And Manufacturing Company Seal pattern on retroreflective sheeting
US5706132A (en) * 1996-01-19 1998-01-06 Minnesota Mining And Manufacturing Company Dual orientation retroreflective sheeting
US5754338A (en) * 1996-04-01 1998-05-19 Minnesota Mining And Manufacturing Company Structured retroreflective sheeting having a rivet-like connection
US5784197A (en) * 1996-04-01 1998-07-21 Minnesota Mining And Manufacturing Company Ultra-flexible retroreflective sheeting with coated back surface
US5882796A (en) * 1996-04-01 1999-03-16 Minnesota Mining And Manufacturing Company Bonded structured retroreflective sheeting
US5910858A (en) * 1996-04-01 1999-06-08 Minnesota Mining And Manufacturing Company Retroreflective sheeting with coated back surface
US5840405A (en) * 1996-04-30 1998-11-24 Minnesota Mining And Manufacturing Company Glittering cube-corner retroreflective sheeting
US5763049A (en) * 1996-04-30 1998-06-09 Minnesota Mining And Manufacturing Company Formed ultra-flexible retroreflective cube-corner composite sheeting with target optical properties and method for making same
US5814355A (en) * 1996-04-30 1998-09-29 Minnesota Mining And Manufacturing Company Mold for producing glittering cube-corner retroreflective sheeting
US5770124A (en) * 1996-04-30 1998-06-23 Minnesota Mining And Manufacturing Company Method of making glittering cube-corner retroreflective sheeting
US6015214A (en) 1996-05-30 2000-01-18 Stimsonite Corporation Retroreflective articles having microcubes, and tools and methods for forming microcubes
US6200666B1 (en) 1996-07-25 2001-03-13 3M Innovative Properties Company Thermal transfer compositions, articles, and graphic articles made with same
US5734501A (en) * 1996-11-01 1998-03-31 Minnesota Mining And Manufacturing Company Highly canted retroreflective cube corner article
US6021559A (en) * 1996-11-01 2000-02-08 3M Innovative Properties Company Methods of making a cube corner article master mold
JPH10143098A (ja) * 1996-11-08 1998-05-29 Minnesota Mining & Mfg Co <3M> 自発光可能な再帰性反射シートおよび反射性標識
US5981113A (en) 1996-12-17 1999-11-09 3M Innovative Properties Company Curable ink composition and imaged retroreflective article therefrom
US5889615A (en) * 1997-06-27 1999-03-30 Minnesota Mining And Manufacturing Company Dual axis retroreflective articles
US5981032A (en) * 1997-07-02 1999-11-09 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
US6253442B1 (en) * 1997-07-02 2001-07-03 3M Innovative Properties Company Retroreflective cube corner sheeting mold and method for making the same
US6377383B1 (en) 1997-09-04 2002-04-23 The University Of British Columbia Optical switching by controllable frustration of total internal reflection
JP2001517809A (ja) * 1997-09-25 2001-10-09 ミネソタ マイニング アンド マニュファクチャリング カンパニー 両用反射物品
US6036322A (en) * 1997-12-01 2000-03-14 Reflexite Corporation Multi-orientation retroreflective structure
US6045230A (en) * 1998-02-05 2000-04-04 3M Innovative Properties Company Modulating retroreflective article
US6282026B1 (en) 1998-02-05 2001-08-28 3M Innovative Properties Company Retroreflectors having two optical surfaces and varying retroreflectivity
US6132861A (en) * 1998-05-04 2000-10-17 3M Innovatives Properties Company Retroreflective articles including a cured ceramer composite coating having a combination of excellent abrasion, dew and stain resistant characteristics
US6352758B1 (en) 1998-05-04 2002-03-05 3M Innovative Properties Company Patterned article having alternating hydrophilic and hydrophobic surface regions
US6245833B1 (en) 1998-05-04 2001-06-12 3M Innovative Properties Ceramer composition incorporating fluoro/silane component and having abrasion and stain resistant characteristics
US6265061B1 (en) 1998-05-04 2001-07-24 3M Innovative Properties Company Retroflective articles including a cured ceramer composite coating having abrasion and stain resistant characteristics
US6067143A (en) * 1998-06-04 2000-05-23 Tomita; Akira High contrast micro display with off-axis illumination
JP4019554B2 (ja) * 1998-08-03 2007-12-12 トヨタ自動車株式会社 燃料電池セパレータ用多連凹凸板の製造方法
US6050691A (en) * 1998-10-19 2000-04-18 3M Innovative Properties Company Method of making randomly oriented cube-corner articles
US6274221B2 (en) 1999-01-29 2001-08-14 3M Innovative Properties Company Angular brightness microprismatic retroreflective film or sheeting incorporating a syndiotactic vinyl aromatic polymer
US6326072B1 (en) 1999-01-29 2001-12-04 3M Innovative Properties Company Release liner incorporating syndiotactic vinyl aromatic polymer
US6623824B1 (en) 1999-01-29 2003-09-23 3M Innovative Properties Company Method for making a microreplicated article using a substrate comprising a syndiotactic vinyl aromatic polymer
US6055108A (en) * 1999-02-11 2000-04-25 Minnesota Mining And Manufacturing Company Imaging articles and methods using dual-axis retroreflective elements
US6172810B1 (en) 1999-02-26 2001-01-09 3M Innovative Properties Company Retroreflective articles having polymer multilayer reflective coatings
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KR910003404A (ko) 1991-02-27
CN1020003C (zh) 1993-03-03
AU3891189A (en) 1990-02-01
AU618615B2 (en) 1992-01-02
CN1040440A (zh) 1990-03-14
ES2052920T3 (es) 1994-07-16
BR8903688A (pt) 1990-04-17
CA1321726C (en) 1993-08-31
KR0152071B1 (ko) 1999-05-01
JPH0285884A (ja) 1990-03-27
JP2735299B2 (ja) 1998-04-02
US4895428A (en) 1990-01-23
MX166717B (es) 1993-01-29
EP0356005A1 (de) 1990-02-28
ATE105941T1 (de) 1994-06-15
DE68915367T2 (de) 1994-11-17
EP0356005B1 (de) 1994-05-18

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