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IT1062602B - Procedimento per produrre lastre per luce diffusa da materiali termoplastici - Google Patents

Procedimento per produrre lastre per luce diffusa da materiali termoplastici

Info

Publication number
IT1062602B
IT1062602B IT50346/76A IT5034676A IT1062602B IT 1062602 B IT1062602 B IT 1062602B IT 50346/76 A IT50346/76 A IT 50346/76A IT 5034676 A IT5034676 A IT 5034676A IT 1062602 B IT1062602 B IT 1062602B
Authority
IT
Italy
Prior art keywords
procedure
thermoplastic materials
light diffused
producing slabs
slabs
Prior art date
Application number
IT50346/76A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1062602B publication Critical patent/IT1062602B/it

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Pens And Brushes (AREA)
  • Braking Arrangements (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Reinforced Plastic Materials (AREA)
IT50346/76A 1975-07-12 1976-07-09 Procedimento per produrre lastre per luce diffusa da materiali termoplastici IT1062602B (it)

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
IT1062602B true IT1062602B (it) 1984-10-20

Family

ID=5951383

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50346/76A IT1062602B (it) 1975-07-12 1976-07-09 Procedimento per produrre lastre per luce diffusa da materiali termoplastici

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
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1245938B (xx) * 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

Also Published As

Publication number Publication date
BE843908A (fr) 1977-01-10
JPS5211046A (en) 1977-01-27
ATA504076A (de) 1979-06-15
DK146776B (da) 1984-01-02
DE2531240A1 (de) 1977-01-27
DE2531240C2 (de) 1984-07-26
FR2318020B1 (xx) 1982-05-21
FR2318020A1 (fr) 1977-02-11
NO144623C (no) 1981-10-07
CH602314A5 (xx) 1978-07-31
NL185068C (nl) 1990-01-16
DK146776C (da) 1984-07-16
AT354905B (de) 1979-02-11
NL7607643A (nl) 1977-01-14
JPS5629241B2 (xx) 1981-07-07
NL185068B (nl) 1989-08-16
SE7607826L (sv) 1977-01-13
GB1515439A (en) 1978-06-21
DK313376A (da) 1977-01-13
NO144623B (no) 1981-06-29
CA1068034A (en) 1979-12-11
NO762255L (xx) 1977-01-13

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950711