DE69724465T2 - Würfelecken-rückstrahlfolie, giessformen dafür, und verfahren zur herstellung derselben - Google Patents
Würfelecken-rückstrahlfolie, giessformen dafür, und verfahren zur herstellung derselben Download PDFInfo
- Publication number
- DE69724465T2 DE69724465T2 DE69724465T DE69724465T DE69724465T2 DE 69724465 T2 DE69724465 T2 DE 69724465T2 DE 69724465 T DE69724465 T DE 69724465T DE 69724465 T DE69724465 T DE 69724465T DE 69724465 T2 DE69724465 T2 DE 69724465T2
- Authority
- DE
- Germany
- Prior art keywords
- cube corner
- platelets
- corner elements
- grooves
- cube
- 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
Links
- 238000000034 method Methods 0.000 title claims description 59
- 238000004519 manufacturing process Methods 0.000 title claims description 29
- 238000000465 moulding Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 claims description 56
- 239000000463 material Substances 0.000 claims description 25
- 238000003754 machining Methods 0.000 claims description 14
- 238000003801 milling Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 238000005304 joining Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 description 9
- 239000011888 foil Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 229910003460 diamond Inorganic materials 0.000 description 6
- 239000010432 diamond Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000004005 microsphere Substances 0.000 description 6
- 235000012431 wafers Nutrition 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229920000515 polycarbonate Polymers 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011049 pearl Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 239000000356 contaminant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 239000000975 dye Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005323 electroforming Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001896 polybutyrate Polymers 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00605—Production of reflex reflectors
- B29D11/00625—Moulds for reflex reflectors
-
- 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
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1082—Partial cutting bonded sandwich [e.g., grooving or incising]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88739097A | 1997-07-02 | 1997-07-02 | |
| US887390 | 1997-07-02 | ||
| PCT/US1997/020887 WO1999001273A1 (en) | 1997-07-02 | 1997-11-20 | Retroreflective cube corner sheeting, molds therefore, and methods of making the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69724465D1 DE69724465D1 (de) | 2003-10-02 |
| DE69724465T2 true DE69724465T2 (de) | 2004-06-09 |
Family
ID=25391039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69724465T Expired - Fee Related DE69724465T2 (de) | 1997-07-02 | 1997-11-20 | Würfelecken-rückstrahlfolie, giessformen dafür, und verfahren zur herstellung derselben |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US6533887B1 (enExample) |
| EP (1) | EP0993363B1 (enExample) |
| JP (1) | JP4310420B2 (enExample) |
| KR (1) | KR100574610B1 (enExample) |
| CN (1) | CN1086981C (enExample) |
| AU (1) | AU5356898A (enExample) |
| CA (1) | CA2295071A1 (enExample) |
| DE (1) | DE69724465T2 (enExample) |
| WO (1) | WO1999001273A1 (enExample) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6015214A (en) | 1996-05-30 | 2000-01-18 | Stimsonite Corporation | Retroreflective articles having microcubes, and tools and methods for forming microcubes |
| EP0993363B1 (en) * | 1997-07-02 | 2003-08-27 | Minnesota Mining And Manufacturing Company | Retroreflective cube corner sheeting, molds therefore, and methods of making the same |
| US6253442B1 (en) * | 1997-07-02 | 2001-07-03 | 3M Innovative Properties Company | Retroreflective cube corner sheeting mold and method for making the same |
| EP2244110A3 (en) * | 1999-04-07 | 2011-01-12 | 3M Innovative Properties Company | Mold with structured surface and retroreflective article made using the mold |
| US6540367B1 (en) | 1999-04-07 | 2003-04-01 | 3M Innovative Properties Company | Structured surface articles containing geometric structures with compound faces and methods for making same |
| US6717930B1 (en) * | 2000-05-22 | 2004-04-06 | Interdigital Technology Corporation | Cell search procedure for time division duplex communication systems using code division multiple access |
| CA2382750C (en) * | 1999-10-08 | 2008-12-23 | Rapid Design Technologies (Pty) Limited | Die manufacturing |
| US8728610B2 (en) * | 2000-02-25 | 2014-05-20 | 3M Innovative Properties Company | Compound mold and structured surface articles containing geometric structures with compound faces and method of making same |
| US7174619B2 (en) * | 2003-03-06 | 2007-02-13 | 3M Innovative Properties Company | Methods of making microstructured lamina and apparatus |
| EP2442159A3 (en) | 2003-03-06 | 2012-05-23 | 3M Innovative Properties Co. | Lamina comprising cube corner elements and retroreflective sheeting |
| US7156527B2 (en) | 2003-03-06 | 2007-01-02 | 3M Innovative Properties Company | Lamina comprising cube corner elements and retroreflective sheeting |
| US20070231067A1 (en) * | 2006-04-04 | 2007-10-04 | David Ian Roche | Vehicle visibility vest |
| US8215943B2 (en) * | 2006-06-01 | 2012-07-10 | Avery Dennison Corporation | Heat-transfer label assembly and apparatus for applying heat-transfer labels |
| CN101506694B (zh) * | 2006-08-22 | 2012-10-03 | 日本电石工业株式会社 | 三棱锥型立方角回射部件及其制造方法 |
| WO2008109420A2 (en) * | 2007-03-02 | 2008-09-12 | Technology Solutions & Invention Llc | Two-sided corner-cube retroreflectors and methods of manufacturing the same |
| WO2009028162A1 (ja) | 2007-08-24 | 2009-03-05 | Nippon Carbide Industries Co., Inc | キューブコーナー型再帰反射物品 |
| USD620351S1 (en) * | 2009-02-26 | 2010-07-27 | Sri Sports Ltd. | Packing box |
| US20110216412A1 (en) * | 2010-03-05 | 2011-09-08 | David Reed | Master tools with selectively orientable regions for manufacture of patterned sheeting |
| USD665584S1 (en) | 2010-03-05 | 2012-08-21 | Orafol Europe Gmbh | Retro-reflective sheeting with a corner cube surface pattern having angular corner cube circular regions |
| KR102205093B1 (ko) | 2013-03-15 | 2021-01-20 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 미세타일화된 프리즘형 큐브 코너 물품 |
| WO2015102786A1 (en) * | 2014-01-06 | 2015-07-09 | Faro Technologies, Inc. | Method of making a cube corner retroreflector for measuring six degrees of freedom and retroreflector |
| FR3020149B1 (fr) * | 2014-04-16 | 2017-09-15 | Commissariat Energie Atomique | Systeme d'affichage d'une image sur un pare-brise |
| KR102200725B1 (ko) * | 2014-06-16 | 2021-01-12 | 미래나노텍(주) | 시트 성형용 몰드 제조 방법 및 시트 성형용 몰드 및 재귀반사 시트 |
| JP6452815B2 (ja) | 2015-06-12 | 2019-01-16 | 日本カーバイド工業株式会社 | 画像表示装置 |
| JP6405462B2 (ja) | 2015-06-12 | 2018-10-17 | 日本カーバイド工業株式会社 | 画像表示装置 |
| WO2017156448A1 (en) * | 2016-03-11 | 2017-09-14 | Mirraviz, Inc. | Customized reflection profiles for retro-reflective display system optimization |
| KR101941372B1 (ko) * | 2017-07-27 | 2019-04-12 | 김현대 | 큐브 코너 프리즘 구조의 원소재 성형 몰드를 재귀반사 불능 영역이 없는 몰드로 성형하는 방법, 이에 의한 몰드 및 이에 의한 반사 시트 |
| CN111247460A (zh) * | 2017-08-29 | 2020-06-05 | 艾利丹尼森公司 | 用于基于投影机的显示系统的回射片 |
| KR20230056694A (ko) | 2020-08-27 | 2023-04-27 | 오러 옵티칼 시스템즈, 엘피 | 마이크로프리즘 재귀반사 몰드, 시트 및 물품 및 이의 제조방법 |
Family Cites Families (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US835648A (en) | 1906-03-13 | 1906-11-13 | Zeiss Carl Fa | Reflector. |
| US1591572A (en) * | 1925-02-05 | 1926-07-06 | Jonathan C Stimson | Process and apparatus for making central triple reflectors |
| DE902217C (de) * | 1950-04-22 | 1954-01-21 | Fairylites Ltd | Giess- oder Pressform fuer Reflektoren |
| FR1289029A (fr) | 1961-04-17 | 1962-03-30 | Perfectionnement à l'obtention de pièces moulées à surfaces optiques | |
| US3190178A (en) | 1961-06-29 | 1965-06-22 | Minnesota Mining & Mfg | Reflex-reflecting sheeting |
| US3417959A (en) | 1966-11-14 | 1968-12-24 | Minnesota Mining & Mfg | Die for forming retro-reflective article |
| US3443281A (en) * | 1967-07-24 | 1969-05-13 | Rupert Mfg Co | Molding pin,matrix,and molding assembly for manufacture of reflective devices |
| US3541606A (en) | 1967-10-16 | 1970-11-17 | Amerace Esna Corp | Reflectorized vehicles and reflectors therefor |
| US3922065A (en) | 1968-05-31 | 1975-11-25 | Minnesota Mining & Mfg | Cube-corner retro-reflective article |
| DE1917292A1 (de) | 1969-04-03 | 1970-10-15 | Hans Hillesheim | Formteil mit reflektierenden Prismen und Form zur Herstellung derselben |
| US3632695A (en) | 1970-03-05 | 1972-01-04 | Reflex Corp Canada Ltd | Making a combined lens and reflector |
| US3684348A (en) | 1970-09-29 | 1972-08-15 | Rowland Dev Corp | Retroreflective material |
| US3712706A (en) | 1971-01-04 | 1973-01-23 | American Cyanamid Co | Retroreflective surface |
| US3873184A (en) | 1973-02-16 | 1975-03-25 | Amerace Esna Corp | Reflector with interspersed angled reflex elements |
| US3923378A (en) | 1973-04-24 | 1975-12-02 | Amerace Corp | Cube-corner reflector with non-aligned cube axes and element axes |
| US3926402A (en) | 1973-04-24 | 1975-12-16 | Amerace Corp | Pin having nonaligned cube axis and pin axis and bundle of such pins |
| USRE29396E (en) | 1975-02-18 | 1977-09-13 | Amerace Corporation | Pin having nonaligned cube axis and pin axis and bundle of such pins |
| US3924928A (en) | 1975-03-12 | 1975-12-09 | Robert C Trimble | Attachment for reflectors for spoke wheels |
| US4025159A (en) | 1976-02-17 | 1977-05-24 | Minnesota Mining And Manufacturing Company | Cellular retroreflective sheeting |
| US4066331A (en) | 1976-06-25 | 1978-01-03 | Beatrice Foods Co. | Cube corner type retroreflectors with improved cube corner unit relationships |
| US4066236A (en) * | 1976-06-25 | 1978-01-03 | Beatrice Foods Co. | Cube corner type retroreflector bodies and molds made therewith |
| US4095773A (en) | 1976-11-18 | 1978-06-20 | Beatrice Foods Co. | Subassemblies for cube corner type retroreflector molds |
| US4601861A (en) | 1982-09-30 | 1986-07-22 | Amerace Corporation | Methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate |
| US5156863A (en) * | 1982-09-30 | 1992-10-20 | Stimsonite Corporation | Continuous embossing belt |
| US4588258A (en) | 1983-09-12 | 1986-05-13 | Minnesota Mining And Manufacturing Company | Cube-corner retroreflective articles having wide angularity in multiple viewing planes |
| US4775219A (en) | 1986-11-21 | 1988-10-04 | Minnesota Mining & Manufacturing Company | Cube-corner retroreflective articles having tailored divergence profiles |
| US5066098A (en) | 1987-05-15 | 1991-11-19 | Minnesota Mining And Manufacturing Company | Cellular encapsulated-lens high whiteness retroreflective sheeting with flexible cover sheet |
| US5122902A (en) * | 1989-03-31 | 1992-06-16 | Minnesota Mining And Manufacturing Company | Retroreflective articles having light-transmissive surfaces |
| US5300263A (en) | 1992-10-28 | 1994-04-05 | Minnesota Mining And Manufacturing Company | Method of making a microlens array and mold |
| DE4410994C2 (de) | 1992-10-30 | 1996-01-25 | Gubela Sen Hans Erich | Körper oder Bauteil eines strangförmigen Tripelreflektors und Werkzeugelement zur Abformung von Tripelreflektoren |
| DE4236799C2 (de) | 1992-10-30 | 1994-09-08 | Gubela Sen Hans Erich | Verfahren zur Herstellung eines Abformwerkzeuges mit einer würfelstrukturförmigen Oberfläche zum Herstellen von Hochleistungs-Tripel-Reflektoren |
| DE4240680C2 (de) | 1992-12-03 | 1996-12-19 | Gubela Sen Hans Erich | Aus einer Vielzahl von Mikrotripeln bestehende Rückstrahlerfläche |
| DE9217179U1 (de) | 1992-12-16 | 1993-04-22 | Gubela Sen., Hans-Erich, 77871 Renchen | Mikrodoppeltripel-Flächen |
| WO1994018581A1 (de) | 1993-01-30 | 1994-08-18 | Kernforschungszentrum Karlsruhe Gmbh | Abformwerkzeug, verfahren zu dessen herstellung und tripelspiegel |
| DE69428450T2 (de) | 1993-10-20 | 2002-05-16 | Minnesota Mining And Mfg. Co., Saint Paul | Vielfach strukturierter würfelecken-körper |
| DE69411936T2 (de) | 1993-10-20 | 1999-04-08 | Minnesota Mining And Mfg. Co., Saint Paul, Minn. | Ultraflexible retroreflektive würfeleckige zusammengetzte folie und herstellungsverfahren |
| US5600484A (en) | 1993-10-20 | 1997-02-04 | Minnesota Mining And Manufacturing Company | Machining techniques for retroreflective cube corner article and method of manufacture |
| US5450235A (en) | 1993-10-20 | 1995-09-12 | Minnesota Mining And Manufacturing Company | Flexible cube-corner retroreflective sheeting |
| WO1995011465A2 (en) * | 1993-10-20 | 1995-04-27 | Minnesota Mining And Manufacturing Company | Asymetric cube corner article and method of manufacture |
| US5585164A (en) | 1993-10-20 | 1996-12-17 | Minnesota Mining And Manufacturing Company | Dual groove set retroreflective cube corner article and method of manufacture |
| DE4429683C1 (de) | 1994-08-22 | 1996-03-21 | Gubela Sen Hans Erich | Körper oder Bauteil eines strangförmigen Tripelreflektors und/ oder Werkzeugelements zur Abformung von Tripelreflektoren |
| US5565151A (en) | 1994-09-28 | 1996-10-15 | Reflexite Corporation | Retroreflective prism structure with windows formed thereon |
| JPH08309851A (ja) | 1995-05-17 | 1996-11-26 | Idemitsu Petrochem Co Ltd | エンボスパターンを有する面状熱可塑性樹脂の製造方法及び装置 |
| DE69636558T2 (de) | 1995-06-09 | 2007-06-06 | Minnesota Mining And Manufacturing Company, St. Paul | Retroreflektierende Folie und Artikel |
| EP0844056B1 (en) | 1995-07-28 | 2003-04-09 | Nippon Carbide Kogyo Kabushiki Kaisha | Microprism matrix |
| JP3356290B2 (ja) | 1995-07-28 | 2002-12-16 | 日本カーバイド工業株式会社 | マイクロプリズム母型の製造方法 |
| US5706132A (en) | 1996-01-19 | 1998-01-06 | Minnesota Mining And Manufacturing Company | Dual orientation retroreflective sheeting |
| WO1997027035A1 (en) | 1996-01-26 | 1997-07-31 | Minnesota Mining And Manufacturing Company | Stacked laminate mold and method of making |
| US6015214A (en) | 1996-05-30 | 2000-01-18 | Stimsonite Corporation | Retroreflective articles having microcubes, and tools and methods for forming microcubes |
| DE29701903U1 (de) | 1997-02-04 | 1997-03-27 | IMOS Gubela GmbH, 77871 Renchen | Meßtechnikretroflektor |
| US5981032A (en) | 1997-07-02 | 1999-11-09 | 3M Innovative Properties Company | Retroreflective cube corner sheeting mold and sheeting formed therefrom |
| EP0993363B1 (en) * | 1997-07-02 | 2003-08-27 | Minnesota Mining And Manufacturing Company | Retroreflective cube corner sheeting, molds therefore, and methods of making the same |
| US5898523A (en) | 1997-07-02 | 1999-04-27 | Minnesota Mining & Manufacturing Company | Tiled retroreflective sheeting composed of highly canted cube corner elements |
-
1997
- 1997-11-20 EP EP97950610A patent/EP0993363B1/en not_active Expired - Lifetime
- 1997-11-20 AU AU53568/98A patent/AU5356898A/en not_active Abandoned
- 1997-11-20 WO PCT/US1997/020887 patent/WO1999001273A1/en not_active Ceased
- 1997-11-20 JP JP50708999A patent/JP4310420B2/ja not_active Expired - Fee Related
- 1997-11-20 CN CN97182329A patent/CN1086981C/zh not_active Expired - Lifetime
- 1997-11-20 KR KR1019997012597A patent/KR100574610B1/ko not_active Expired - Fee Related
- 1997-11-20 DE DE69724465T patent/DE69724465T2/de not_active Expired - Fee Related
- 1997-11-20 CA CA002295071A patent/CA2295071A1/en not_active Abandoned
-
2000
- 2000-09-07 US US09/656,671 patent/US6533887B1/en not_active Expired - Lifetime
- 2000-09-07 US US09/656,697 patent/US6302992B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1259898A (zh) | 2000-07-12 |
| US6302992B1 (en) | 2001-10-16 |
| US6533887B1 (en) | 2003-03-18 |
| WO1999001273A1 (en) | 1999-01-14 |
| AU5356898A (en) | 1999-01-25 |
| EP0993363B1 (en) | 2003-08-27 |
| CN1086981C (zh) | 2002-07-03 |
| DE69724465D1 (de) | 2003-10-02 |
| KR20010014413A (ko) | 2001-02-26 |
| KR100574610B1 (ko) | 2006-04-28 |
| JP2002508085A (ja) | 2002-03-12 |
| CA2295071A1 (en) | 1999-01-14 |
| EP0993363A1 (en) | 2000-04-19 |
| JP4310420B2 (ja) | 2009-08-12 |
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|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |