GB558002A - Improvements in or relating to reflex light reflectors, method of making the same, and signs adapted for outdoor highway use and including the improved reflex light reflector - Google Patents
Improvements in or relating to reflex light reflectors, method of making the same, and signs adapted for outdoor highway use and including the improved reflex light reflectorInfo
- Publication number
- GB558002A GB558002A GB356542A GB356542A GB558002A GB 558002 A GB558002 A GB 558002A GB 356542 A GB356542 A GB 356542A GB 356542 A GB356542 A GB 356542A GB 558002 A GB558002 A GB 558002A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spheres
- reflector
- reflex light
- layer
- spacing elements
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laminated Bodies (AREA)
Abstract
558,002. Reflex light reflectors. STEVENS, A. H., (Minnesota Mining and Manufacturing Co.). March 17. 1942, No. 3565. [Class 140] [Also in Groups XVIII and XX] A reflex light reflector adapted e.g. for making signs for outdoor highway use comprises a light-returning layer of small transparent glass &c. spheres 15 providing a multiplicity of contiguous convex lens elements, an underlying reflector 11 spaced from said spheres, an interposed layer of transparent spacing elements 13 (e.g. glass cullet of substantially the same refractive index as the medium) of smaller dimensions than the spheres and a transparent matrix 12 (e.g. resin base) in which the spacing elements are embedded and in which the spheres 15 are partially embedded, the matrix and spacing elements constituting a solid transparent medium between the spheres and the reflector. The spheres may be of varying size and selectively spaced from the reflector to ensure optimum brilliancy. The reflector may be non-specular and the reflex light reflector may be in the form of sheet material capable of being wound into roll form. The light reflector may have a waterproof sheet backing and may be weatherproof. The material may be made of applying liquid binder to a backing, positioning a layer of spacing elements thereon, applying a second layer of binder, then applying the spheres and drying.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB356542A GB558002A (en) | 1942-03-17 | 1942-03-17 | Improvements in or relating to reflex light reflectors, method of making the same, and signs adapted for outdoor highway use and including the improved reflex light reflector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB356542A GB558002A (en) | 1942-03-17 | 1942-03-17 | Improvements in or relating to reflex light reflectors, method of making the same, and signs adapted for outdoor highway use and including the improved reflex light reflector |
Publications (1)
Publication Number | Publication Date |
---|---|
GB558002A true GB558002A (en) | 1943-12-15 |
Family
ID=9760730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB356542A Expired GB558002A (en) | 1942-03-17 | 1942-03-17 | Improvements in or relating to reflex light reflectors, method of making the same, and signs adapted for outdoor highway use and including the improved reflex light reflector |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB558002A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2165773A (en) * | 1984-10-22 | 1986-04-23 | Seibu Polymer Kasei Kk | High-brightness pavement marking sheet material |
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 |
US8840956B2 (en) | 2008-10-31 | 2014-09-23 | Potters Industries, Llc | Retroreflective coating and method for applying a retroreflective coating on a structure |
-
1942
- 1942-03-17 GB GB356542A patent/GB558002A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2165773A (en) * | 1984-10-22 | 1986-04-23 | Seibu Polymer Kasei Kk | High-brightness pavement marking sheet material |
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 |
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