GB0313514D0 - Method and apparatus for manufacturing a retroflective device - Google Patents

Method and apparatus for manufacturing a retroflective device

Info

Publication number
GB0313514D0
GB0313514D0 GBGB0313514.2A GB0313514A GB0313514D0 GB 0313514 D0 GB0313514 D0 GB 0313514D0 GB 0313514 A GB0313514 A GB 0313514A GB 0313514 D0 GB0313514 D0 GB 0313514D0
Authority
GB
United Kingdom
Prior art keywords
manufacturing
retroflective
retroflective device
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.)
Granted
Application number
GBGB0313514.2A
Other versions
GB2402694B (en
GB2402694A (en
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.)
Prismo Ltd
Original Assignee
Prismo Ltd
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 Prismo Ltd filed Critical Prismo Ltd
Priority to GB0313514A priority Critical patent/GB2402694B/en
Publication of GB0313514D0 publication Critical patent/GB0313514D0/en
Priority to EP04736404A priority patent/EP1631443A1/en
Priority to PCT/GB2004/002425 priority patent/WO2004110733A1/en
Priority to CA002482255A priority patent/CA2482255C/en
Publication of GB2402694A publication Critical patent/GB2402694A/en
Application granted granted Critical
Publication of GB2402694B publication Critical patent/GB2402694B/en
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
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
    • 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
    • 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
    • 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
GB0313514A 2003-06-11 2003-06-11 Method and apparatus for manufacturing a retroflective device Expired - Fee Related GB2402694B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0313514A GB2402694B (en) 2003-06-11 2003-06-11 Method and apparatus for manufacturing a retroflective device
EP04736404A EP1631443A1 (en) 2003-06-11 2004-06-09 Method and apparatus for manufacturing a retroreflective device
PCT/GB2004/002425 WO2004110733A1 (en) 2003-06-11 2004-06-09 Method and apparatus for manufacturing a retroreflective device
CA002482255A CA2482255C (en) 2003-06-11 2004-06-11 Method and apparatus for manufacturing a retroreflective device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0313514A GB2402694B (en) 2003-06-11 2003-06-11 Method and apparatus for manufacturing a retroflective device

Publications (3)

Publication Number Publication Date
GB0313514D0 true GB0313514D0 (en) 2003-07-16
GB2402694A GB2402694A (en) 2004-12-15
GB2402694B GB2402694B (en) 2006-03-15

Family

ID=27589904

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0313514A Expired - Fee Related GB2402694B (en) 2003-06-11 2003-06-11 Method and apparatus for manufacturing a retroflective device

Country Status (4)

Country Link
EP (1) EP1631443A1 (en)
CA (1) CA2482255C (en)
GB (1) GB2402694B (en)
WO (1) WO2004110733A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
US8647013B2 (en) 2010-02-09 2014-02-11 Potters Industries, Llc Reflective substrate surface system, reflective assembly, and methods of improving the visibility of a substrate surface
JP6899379B2 (en) 2015-09-11 2021-07-07 スリーエム イノベイティブ プロパティズ カンパニー Durable retroreflective element with ionic copolymer core
US10858496B2 (en) 2015-09-11 2020-12-08 3M Innovative Properties Company Durable retroreflective elements with a blend of beads

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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 (en) 1984-09-21 1990-04-24 Reflective particles and method of making the same
US4609587A (en) * 1984-11-30 1986-09-02 Potters Industries, Inc. Retroreflective materials and use
CH671986A5 (en) 1987-12-24 1989-10-13 Eigenmann Ludwig
DE19521847A1 (en) * 1995-06-16 1996-12-19 Gerhard Cammann Light reflective agglomerates for road markings, reflective structural blocks etc.
US5942280A (en) 1997-09-16 1999-08-24 3M Innovative Properties Company Method of making retroreflective elements
SE514449C2 (en) 1998-10-23 2001-02-26 Cleanosol Ab Surface coatings intended for use on markings for roads, parking spaces and the like

Also Published As

Publication number Publication date
GB2402694B (en) 2006-03-15
WO2004110733A1 (en) 2004-12-23
CA2482255C (en) 2009-02-24
CA2482255A1 (en) 2004-12-11
GB2402694A (en) 2004-12-15
EP1631443A1 (en) 2006-03-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120611