GB1368953A - Plastics sheet materials - Google Patents
Plastics sheet materialsInfo
- Publication number
- GB1368953A GB1368953A GB3214070A GB3214070A GB1368953A GB 1368953 A GB1368953 A GB 1368953A GB 3214070 A GB3214070 A GB 3214070A GB 3214070 A GB3214070 A GB 3214070A GB 1368953 A GB1368953 A GB 1368953A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflective areas
- layer
- sheet
- plastics material
- plastics
- 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
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
1368953 Laminates BAKELITE XYLONITE Ltd 5 Aug 1971 [2 July 1970] 32140/70 Heading B5N [Aso in Divisions B2 B6 and G2] A plastics sheet material having preselected retro-reflective areas comprises one or more layers of transparent or translucent plastics material, one layer comprising the surface of the sheet having one or more convex lens embossments on one surface thereof, the embossments having dimensions such that the plane or planes of reflective areas printed or coated on the other surface of the layer and/or on one or more surfaces of any further component layers of the sheet, which reflective areas together comprise at least 5% of the total area of the other surface, are so positioned relative to the focal region or regions of one or more of the lenses that reflective areas together comprising at least 5% of the total area are in retro-reflective combination with one or more of the lenses, the other surface of the layer and the surfaces of any other component layers being substantially smooth and unembossed. One or more component layers of the sheet may be of opaque plastics material. The embossing step and lamination to one or more further layers may be carried out simultaneously. The reflective areas may form all or part of a design or pattern which may include letters, figures or other indicia or a decorative pattern, the remainder of the design optionally being printed, coated or laminated in the same plane or planes as the reflective areas or in planes above or below this plane. A transparent dyed lacquer may be printed or coated in regions to control the colour of the retroreflective light and the embossed layer may be tinted to provide an additional colour effect. The reflective areas may be of gold, silver or aluminium lacquers, vacuum deposited aluminium or other metals or materials containing white pigments and/or fillers, e.g. titanium dioxide or barium sulphate, or luminescent materials. The transparent or translucent layer may be of PVC, polystyrene, polymethylmethacrylate, polycarbonate, polyethylene terephthalate, polyethylene or polypropylene. The embossments which may each comprise a segment of a sphere or cylinder arranged in hexagonal close-packed array may be produced by means of an embossing roller or die, extrusion casting the plastics material on to a profiled casting surface, forming the plastics material directly in a profiled casting die or extruding the plastics material through a profiled extrusion die. The sheet material may be used in the production of garments, satchels and road signs and may be strengthened by lamination to a fabric or other plastics sheet material.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3214070A GB1368953A (en) | 1970-07-02 | 1970-07-02 | Plastics sheet materials |
DE19712132723 DE2132723A1 (en) | 1970-07-02 | 1971-07-01 | Flat plastic material reflecting reflected light and process for its manufacture |
FR7124271A FR2104771B1 (en) | 1970-07-02 | 1971-07-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3214070A GB1368953A (en) | 1970-07-02 | 1970-07-02 | Plastics sheet materials |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1368953A true GB1368953A (en) | 1974-10-02 |
Family
ID=10333921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3214070A Expired GB1368953A (en) | 1970-07-02 | 1970-07-02 | Plastics sheet materials |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2132723A1 (en) |
FR (1) | FR2104771B1 (en) |
GB (1) | GB1368953A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245194A (en) * | 1990-05-16 | 1992-01-02 | Reflexite Corp | Colored retroreflective sheeting and method of making same |
WO2001053858A2 (en) * | 2000-01-17 | 2001-07-26 | 3M Innovative Properties Company | Reflector, method for the production of reflector, and internal-lighting display device |
CN104275848A (en) * | 2014-09-17 | 2015-01-14 | 福建省晋江市夜光达反光材料有限公司 | Shiny leather and manufacturing method thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8113747U1 (en) * | 1981-05-09 | 1982-01-21 | Röhm GmbH, 6100 Darmstadt | "COEXTRUDED LIGHT-TRANSFERABLE PLASTIC PROFILE" |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2951419A (en) * | 1953-06-11 | 1960-09-06 | Jerome H Lemelson | Reflective display device |
US3146492A (en) * | 1957-12-18 | 1964-09-01 | Jerome H Lemelson | Apparatus for making a lenticular display sheet |
US3264164A (en) * | 1962-04-30 | 1966-08-02 | Toscony Inc | Color dynamic, three-dimensional flexible film and method of making it |
FR1390512A (en) * | 1964-02-27 | 1965-02-26 | Rowland Products Inc | Sheet material, of synthetic plastic, producing optical effects |
-
1970
- 1970-07-02 GB GB3214070A patent/GB1368953A/en not_active Expired
-
1971
- 1971-07-01 DE DE19712132723 patent/DE2132723A1/en active Pending
- 1971-07-02 FR FR7124271A patent/FR2104771B1/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245194A (en) * | 1990-05-16 | 1992-01-02 | Reflexite Corp | Colored retroreflective sheeting and method of making same |
GB2245194B (en) * | 1990-05-16 | 1994-03-30 | Reflexite Corp | Colored retroreflective sheeting and method of making same |
WO2001053858A2 (en) * | 2000-01-17 | 2001-07-26 | 3M Innovative Properties Company | Reflector, method for the production of reflector, and internal-lighting display device |
WO2001053858A3 (en) * | 2000-01-17 | 2002-01-03 | 3M Innovative Properties Co | Reflector, method for the production of reflector, and internal-lighting display device |
CN104275848A (en) * | 2014-09-17 | 2015-01-14 | 福建省晋江市夜光达反光材料有限公司 | Shiny leather and manufacturing method thereof |
Also Published As
Publication number | Publication date |
---|---|
FR2104771A1 (en) | 1972-04-21 |
FR2104771B1 (en) | 1975-02-07 |
DE2132723A1 (en) | 1972-02-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
PCNP | Patent ceased through non-payment of renewal fee |