GB1104379A - Process and production of bodies containing reflecting and refracting elements - Google Patents

Process and production of bodies containing reflecting and refracting elements

Info

Publication number
GB1104379A
GB1104379A GB35034/65A GB3503465A GB1104379A GB 1104379 A GB1104379 A GB 1104379A GB 35034/65 A GB35034/65 A GB 35034/65A GB 3503465 A GB3503465 A GB 3503465A GB 1104379 A GB1104379 A GB 1104379A
Authority
GB
United Kingdom
Prior art keywords
layer
beads
moulding
plastics material
agent
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
Application number
GB35034/65A
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.)
Beck Koller and Company England Ltd
Original Assignee
Beck Koller and Company England 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
Priority claimed from DE1964R0038639 external-priority patent/DE1256593B/en
Priority claimed from DER29241U external-priority patent/DE1908244U/en
Priority claimed from DE1964R0038901 external-priority patent/DE1299263B/en
Application filed by Beck Koller and Company England Ltd filed Critical Beck Koller and Company England Ltd
Publication of GB1104379A publication Critical patent/GB1104379A/en
Expired 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
    • 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
    • E01F9/553—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Road Signs Or Road Markings (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

1,104,379. Moulding road markers &c. BECK KOLLER & CO. (ENGLAND) Ltd. 16 Aug., 1965 [22 Aug., 1964; 2 Oct., 1964 (2)], No. 35034/65. Heading B5A. [Also in Division E1] Light reflective and refractive beads, e.g. of glass, and particles smaller than the beads, and which may themselves comprise glass beads, are embedded in a plastics material by moulding, and the surface of the moulded blank is treated with a liquid or gaseous agent which affects the plastics material and, possibly, the smaller particles, enabling the surface to be removed to allow the larger beads to protrude. Each bead protrudes an amount sufficient to display at least one quarter of its surface. The smaller particles, which may be soluble in the agent, may be of rock, sand or ground mica, and the plastics material may comprise a polyester mixture including titanium dioxide, methylethyl ketone peroxide and a cobalt naphtenate solution; the liquid agent may comprise methylene chloride. As described, a mould 8, Fig. 13, is first supplied with a layer 9 of polyester mixture; after this layer has set a similar resin mixed with glass beads of varying sizes is applied to the layer 9 to provide a second layer 6, and finally a layer 10 of a similar resin is applied. After solidification, the moulding is immersed in methylene chloride, after which the plastics layer at the surface 5 is removed by brushing. The mouldings may be used for road markers, sign boards, building coverings &c.
GB35034/65A 1964-08-22 1965-08-16 Process and production of bodies containing reflecting and refracting elements Expired GB1104379A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1964R0038639 DE1256593B (en) 1964-08-22 1964-08-22 Method for producing a retroreflective molded body from plastic
DER29241U DE1908244U (en) 1964-10-02 1964-10-02 STREET SURFACE MARKING ELEMENT WITH LIGHT REFURBISHING AND REFLECTIVE ZONES.
DE1964R0038901 DE1299263B (en) 1964-10-02 1964-10-02 Method for producing a retroreflective molded body from plastic

Publications (1)

Publication Number Publication Date
GB1104379A true GB1104379A (en) 1968-02-28

Family

ID=27212091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35034/65A Expired GB1104379A (en) 1964-08-22 1965-08-16 Process and production of bodies containing reflecting and refracting elements

Country Status (1)

Country Link
GB (1) GB1104379A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182548A (en) * 1977-07-05 1980-01-08 Ferro Corporation Retroreflective marking tape
US4332437A (en) * 1977-07-05 1982-06-01 Ferro Corporation Retroreflective marking tape
US4653955A (en) * 1986-05-07 1987-03-31 Ferro Corporation Retroreflective device having curved retroreflective surface
EP1449964A1 (en) * 2003-02-21 2004-08-25 N.C.C. Roads A/S Re-establishing of the reflectiveness of a surface marking material with reflective beads

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182548A (en) * 1977-07-05 1980-01-08 Ferro Corporation Retroreflective marking tape
US4332437A (en) * 1977-07-05 1982-06-01 Ferro Corporation Retroreflective marking tape
US4653955A (en) * 1986-05-07 1987-03-31 Ferro Corporation Retroreflective device having curved retroreflective surface
EP1449964A1 (en) * 2003-02-21 2004-08-25 N.C.C. Roads A/S Re-establishing of the reflectiveness of a surface marking material with reflective beads

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