CA2482255C - Methode et machine de fabrication d'un dispositif retroreflechissant - Google Patents
Methode et machine de fabrication d'un dispositif retroreflechissant Download PDFInfo
- Publication number
- CA2482255C CA2482255C CA002482255A CA2482255A CA2482255C CA 2482255 C CA2482255 C CA 2482255C CA 002482255 A CA002482255 A CA 002482255A CA 2482255 A CA2482255 A CA 2482255A CA 2482255 C CA2482255 C CA 2482255C
- Authority
- CA
- Canada
- Prior art keywords
- retroreflective
- pieces
- droplets
- bed
- dispenser
- 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 abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000011324 bead Substances 0.000 claims abstract description 98
- 239000011230 binding agent Substances 0.000 claims abstract description 81
- 239000011521 glass Substances 0.000 claims abstract description 78
- 239000000463 material Substances 0.000 claims abstract description 65
- 238000005054 agglomeration Methods 0.000 claims abstract description 33
- 230000002776 aggregation Effects 0.000 claims abstract description 33
- 238000009826 distribution Methods 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 21
- 230000001070 adhesive effect Effects 0.000 description 21
- QXJJQWWVWRCVQT-UHFFFAOYSA-K calcium;sodium;phosphate Chemical compound [Na+].[Ca+2].[O-]P([O-])([O-])=O QXJJQWWVWRCVQT-UHFFFAOYSA-K 0.000 description 6
- 238000002310 reflectometry Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000003981 vehicle Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000003643 Callosities Diseases 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000007931 coated granule Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
- E01F9/524—Reflecting elements specially adapted for incorporation in or application to road surface markings
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
- B29C70/585—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres incorporation of light reflecting filler, e.g. lamellae to obtain pearlescent effet
-
- 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
-
- 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
- B29D11/00615—Production of reflex reflectors moulded by partially embedding reflective elements, e.g. glass beads, into the surface of a support, e.g. to make prefabricated road markings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
L'invention concerne un procédé et un appareil pour la fabrication d'un agglomérat de billes de verre constitué d'une pluralité de billes de verre liées entre elles par un liant. L'appareil décrit comprend un dispositif de distribution (3a; 3b; 3c) comportant une pluralité de canaux (5) à travers lesquels, à l'utilisation, le liant s'écoule. Chacun des canaux aboutit à un orifice de sortie (8) et est en communication fluidique avec un seul orifice d'entrée (6) de liant. Il importe que les canaux présentent sensiblement une longueur et un diamètre identiques. Un ou plusieurs dispositifs de distribution peuvent être couplés à une seule unité de distribution (2).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0313514.2 | 2003-06-11 | ||
| GB0313514A GB2402694B (en) | 2003-06-11 | 2003-06-11 | Method and apparatus for manufacturing a retroflective device |
| PCT/GB2004/002425 WO2004110733A1 (fr) | 2003-06-11 | 2004-06-09 | Procede et appareil pour la fabrication d'un dispositif retroreflechissant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2482255A1 CA2482255A1 (fr) | 2004-12-11 |
| CA2482255C true CA2482255C (fr) | 2009-02-24 |
Family
ID=27589904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002482255A Expired - Fee Related CA2482255C (fr) | 2003-06-11 | 2004-06-11 | Methode et machine de fabrication d'un dispositif retroreflechissant |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1631443A1 (fr) |
| CA (1) | CA2482255C (fr) |
| GB (1) | GB2402694B (fr) |
| WO (1) | WO2004110733A1 (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8292539B2 (en) * | 2007-04-10 | 2012-10-23 | Stoncor Group, Inc. | Agglomerated retroreflective beads for highway marking and methods for fabrication and use thereof |
| US9207373B2 (en) | 2007-04-10 | 2015-12-08 | Stoncor Group, Inc. | Methods for fabrication and highway marking usage of agglomerated retroreflective beads |
| GB2448490A (en) * | 2007-04-16 | 2008-10-22 | Prismo Road Markings Ltd | Road marking device |
| US8840956B2 (en) | 2008-10-31 | 2014-09-23 | Potters Industries, Llc | Retroreflective coating and method for applying a retroreflective coating on a structure |
| CA2730631C (fr) | 2010-02-09 | 2015-03-31 | Potters Industries, Inc. | Systeme reflechissant pour surface de substrat, reflecteur et procedes pour ameliorer la visibilite d'une surface de substrat |
| US10858496B2 (en) | 2015-09-11 | 2020-12-08 | 3M Innovative Properties Company | Durable retroreflective elements with a blend of beads |
| US11353640B2 (en) | 2015-09-11 | 2022-06-07 | 3M Innovative Properties Company | Durable retroreflective elements with an ionic copolymer core |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3043196A (en) | 1957-09-18 | 1962-07-10 | Minnesota Mining & Mfg | Reflective marking aggregate |
| US3254563A (en) * | 1963-11-12 | 1966-06-07 | Prismo Safety Corp | Retro-reflective particles and reflective markers and compositions containing such particles |
| CA1268016C (fr) | 1984-09-21 | 1990-04-24 | Particules retroreflechissantes, et leur fabrication | |
| US4609587A (en) * | 1984-11-30 | 1986-09-02 | Potters Industries, Inc. | Retroreflective materials and use |
| CH671986A5 (fr) | 1987-12-24 | 1989-10-13 | Eigenmann Ludwig | |
| DE19521847A1 (de) * | 1995-06-16 | 1996-12-19 | Gerhard Cammann | Verfahren und Einrichtung zur Herstellung von lichtreflektierenden Bausteinen, von lichtreflektierenden Flächen wie Straßenmarkierungen, Randstreifen, Mittelstreifen oder dergleichen |
| US5942280A (en) | 1997-09-16 | 1999-08-24 | 3M Innovative Properties Company | Method of making retroreflective elements |
| SE514449C2 (sv) | 1998-10-23 | 2001-02-26 | Cleanosol Ab | Ytbeläggning avsedd att användas på markeringsbeläggningar för vägar, parkeringsplatser och liknande |
-
2003
- 2003-06-11 GB GB0313514A patent/GB2402694B/en not_active Expired - Fee Related
-
2004
- 2004-06-09 EP EP04736404A patent/EP1631443A1/fr not_active Withdrawn
- 2004-06-09 WO PCT/GB2004/002425 patent/WO2004110733A1/fr active Application Filing
- 2004-06-11 CA CA002482255A patent/CA2482255C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2482255A1 (fr) | 2004-12-11 |
| EP1631443A1 (fr) | 2006-03-08 |
| GB2402694B (en) | 2006-03-15 |
| GB2402694A (en) | 2004-12-15 |
| GB0313514D0 (en) | 2003-07-16 |
| WO2004110733A1 (fr) | 2004-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |