FR2318020A1 - 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 verre

Info

Publication number
FR2318020A1
FR2318020A1 FR7621319A FR7621319A FR2318020A1 FR 2318020 A1 FR2318020 A1 FR 2318020A1 FR 7621319 A FR7621319 A FR 7621319A FR 7621319 A FR7621319 A FR 7621319A FR 2318020 A1 FR2318020 A1 FR 2318020A1
Authority
FR
France
Prior art keywords
sheets
manufacturing
glass fibers
thermoplastic materials
light diffraction
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
FR7621319A
Other languages
English (en)
French (fr)
Other versions
FR2318020B1 (xx
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2318020A1 publication Critical patent/FR2318020A1/fr
Application granted granted Critical
Publication of FR2318020B1 publication Critical patent/FR2318020B1/fr
Granted legal-status Critical Current

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)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (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)
FR7621319A 1975-07-12 1976-07-12 Fabrication de plaques de diffraction de la lumiere avec utilisation de feuilles en matieres thermoplastiques chargees de fibres de verre Granted FR2318020A1 (fr)

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 (2)

Publication Number Publication Date
FR2318020A1 true FR2318020A1 (fr) 1977-02-11
FR2318020B1 FR2318020B1 (xx) 1982-05-21

Family

ID=5951383

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621319A Granted FR2318020A1 (fr) 1975-07-12 1976-07-12 Fabrication de plaques de diffraction de la lumiere avec utilisation de feuilles en matieres thermoplastiques chargees de fibres de verre

Country Status (13)

Country Link
JP (1) JPS5211046A (xx)
AT (1) AT354905B (xx)
BE (1) BE843908A (xx)
CA (1) CA1068034A (xx)
CH (1) CH602314A5 (xx)
DE (1) DE2531240C2 (xx)
DK (1) DK146776C (xx)
FR (1) FR2318020A1 (xx)
GB (1) GB1515439A (xx)
IT (1) IT1062602B (xx)
NL (1) NL185068C (xx)
NO (1) NO144623C (xx)
SE (1) SE7607826L (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2721885C3 (de) * 1977-05-14 1981-12-24 Bayer Ag, 5090 Leverkusen Herstellung von Streulichtscheiben
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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291868A (en) * 1964-07-20 1966-12-13 Owens Corning Fiberglass Corp Production of polarizing elements
FR2086214A1 (xx) * 1970-04-21 1971-12-31 Jorgensen Knud
DE1729529A1 (de) * 1968-02-23 1972-02-10 Bayer Ag Verfahren zum Herstellen von glasfaserverstaerkten thermoplastischen Kunststoffen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1245938B (xx) * 1963-11-30 1967-08-03
DE1544920A1 (de) * 1965-10-08 1969-07-24 Bayer Ag Transluzente Kunststoffe fuer lichttechnische Zwecke

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291868A (en) * 1964-07-20 1966-12-13 Owens Corning Fiberglass Corp Production of polarizing elements
DE1729529A1 (de) * 1968-02-23 1972-02-10 Bayer Ag Verfahren zum Herstellen von glasfaserverstaerkten thermoplastischen Kunststoffen
FR2086214A1 (xx) * 1970-04-21 1971-12-31 Jorgensen Knud

Also Published As

Publication number Publication date
DE2531240C2 (de) 1984-07-26
NO144623C (no) 1981-10-07
CH602314A5 (xx) 1978-07-31
NO762255L (xx) 1977-01-13
DK146776B (da) 1984-01-02
DK313376A (da) 1977-01-13
ATA504076A (de) 1979-06-15
CA1068034A (en) 1979-12-11
DK146776C (da) 1984-07-16
JPS5211046A (en) 1977-01-27
FR2318020B1 (xx) 1982-05-21
NL7607643A (nl) 1977-01-14
NL185068C (nl) 1990-01-16
NL185068B (nl) 1989-08-16
AT354905B (de) 1979-02-11
NO144623B (no) 1981-06-29
SE7607826L (sv) 1977-01-13
GB1515439A (en) 1978-06-21
BE843908A (fr) 1977-01-10
IT1062602B (it) 1984-10-20
DE2531240A1 (de) 1977-01-27
JPS5629241B2 (xx) 1981-07-07

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