BE843908A - Fabrication de plaques de diffraction de la lumiere avec utilisation de feuilles en matieres thermoplastiques chargees de fibres de verre - Google Patents
Fabrication de plaques de diffraction de la lumiere avec utilisation de feuilles en matieres thermoplastiques chargees de fibres de verreInfo
- Publication number
- BE843908A BE843908A BE168735A BE168735A BE843908A BE 843908 A BE843908 A BE 843908A BE 168735 A BE168735 A BE 168735A BE 168735 A BE168735 A BE 168735A BE 843908 A BE843908 A BE 843908A
- Authority
- BE
- Belgium
- Prior art keywords
- sheets
- manufacturing
- glass fibers
- thermoplastic materials
- light diffraction
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- 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
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Optical Elements Other Than Lenses (AREA)
- Reinforced Plastic Materials (AREA)
- Pens And Brushes (AREA)
- Braking Arrangements (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2531240A DE2531240C2 (de) | 1975-07-12 | 1975-07-12 | Verfahren zum Herstellen von Streulichtscheiben |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE843908A true BE843908A (fr) | 1977-01-10 |
Family
ID=5951383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE168735A BE843908A (fr) | 1975-07-12 | 1976-07-08 | Fabrication de plaques de diffraction de la lumiere avec utilisation de feuilles en matieres thermoplastiques chargees de fibres de verre |
Country Status (13)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1585338A (en) * | 1977-05-14 | 1981-02-25 | Bayer Ag | Use of sheets of thermoplastic filled with glass beads for the manufacture of light diffuser plates |
| DE2721885C3 (de) * | 1977-05-14 | 1981-12-24 | Bayer Ag, 5090 Leverkusen | Herstellung von Streulichtscheiben |
| JPS57133149A (en) * | 1981-02-12 | 1982-08-17 | Idemitsu Kosan Co Ltd | Polycarbonate resin composition |
| NL8300817A (nl) * | 1983-03-07 | 1984-10-01 | Philips Nv | Projektiescherm. |
| DE4424106A1 (de) | 1994-07-08 | 1996-01-11 | Bayer Ag | Schichtstoffe |
| US6550938B2 (en) * | 2000-02-09 | 2003-04-22 | Lexalite International Corporation | Lighting fixture employing a partially reflective partially transmittive polymeric reflector |
| DE102007044146A1 (de) | 2007-09-12 | 2009-03-19 | Bayer Materialscience Ag | Thermoplast mit Metallkennzeichnungsplättchen |
| DE102008051409A1 (de) | 2008-10-11 | 2010-04-15 | Bayer Materialscience Ag | Sicherheitselement |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1245938B (US07345094-20080318-C00003.png) * | 1963-11-30 | 1967-08-03 | ||
| US3291868A (en) * | 1964-07-20 | 1966-12-13 | Owens Corning Fiberglass Corp | Production of polarizing elements |
| DE1544920A1 (de) * | 1965-10-08 | 1969-07-24 | Bayer Ag | Transluzente Kunststoffe fuer lichttechnische Zwecke |
| DE1729529A1 (de) * | 1968-02-23 | 1972-02-10 | Bayer Ag | Verfahren zum Herstellen von glasfaserverstaerkten thermoplastischen Kunststoffen |
| DE2118597A1 (de) * | 1970-04-21 | 1971-11-11 | Joergensen, Knud, Frederikshavn (Dänemark); r | Durchscheinendes Material |
-
1975
- 1975-07-12 DE DE2531240A patent/DE2531240C2/de not_active Expired
-
1976
- 1976-06-21 CA CA255,344A patent/CA1068034A/en not_active Expired
- 1976-06-29 NO NO762255A patent/NO144623C/no unknown
- 1976-07-07 GB GB28246/76A patent/GB1515439A/en not_active Expired
- 1976-07-08 SE SE7607826A patent/SE7607826L/xx not_active Application Discontinuation
- 1976-07-08 BE BE168735A patent/BE843908A/xx not_active IP Right Cessation
- 1976-07-09 JP JP51081071A patent/JPS5211046A/ja active Granted
- 1976-07-09 NL NLAANVRAGE7607643,A patent/NL185068C/xx not_active IP Right Cessation
- 1976-07-09 CH CH883676A patent/CH602314A5/xx not_active IP Right Cessation
- 1976-07-09 AT AT504076A patent/AT354905B/de not_active IP Right Cessation
- 1976-07-09 DK DK313376A patent/DK146776C/da active
- 1976-07-09 IT IT50346/76A patent/IT1062602B/it active
- 1976-07-12 FR FR7621319A patent/FR2318020A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2318020B1 (US07345094-20080318-C00003.png) | 1982-05-21 |
| GB1515439A (en) | 1978-06-21 |
| NO144623B (no) | 1981-06-29 |
| FR2318020A1 (fr) | 1977-02-11 |
| CH602314A5 (US07345094-20080318-C00003.png) | 1978-07-31 |
| DK146776C (da) | 1984-07-16 |
| AT354905B (de) | 1979-02-11 |
| DK146776B (da) | 1984-01-02 |
| NO762255L (US07345094-20080318-C00003.png) | 1977-01-13 |
| DE2531240C2 (de) | 1984-07-26 |
| NL185068B (nl) | 1989-08-16 |
| NL7607643A (nl) | 1977-01-14 |
| ATA504076A (de) | 1979-06-15 |
| NO144623C (no) | 1981-10-07 |
| NL185068C (nl) | 1990-01-16 |
| DE2531240A1 (de) | 1977-01-27 |
| IT1062602B (it) | 1984-10-20 |
| JPS5629241B2 (US07345094-20080318-C00003.png) | 1981-07-07 |
| SE7607826L (sv) | 1977-01-13 |
| JPS5211046A (en) | 1977-01-27 |
| CA1068034A (en) | 1979-12-11 |
| DK313376A (da) | 1977-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: BAYER A.G. Effective date: 19960708 |