CA1068034A - Production of diffusing discs using sheets of glass fiber-filled thermoplastics - Google Patents

Production of diffusing discs using sheets of glass fiber-filled thermoplastics

Info

Publication number
CA1068034A
CA1068034A CA255,344A CA255344A CA1068034A CA 1068034 A CA1068034 A CA 1068034A CA 255344 A CA255344 A CA 255344A CA 1068034 A CA1068034 A CA 1068034A
Authority
CA
Canada
Prior art keywords
molecular weight
weight
glass fibers
disc
diffusing
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
Application number
CA255,344A
Other languages
English (en)
French (fr)
Inventor
Joachim Wank
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
Application granted granted Critical
Publication of CA1068034A publication Critical patent/CA1068034A/en
Expired 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
CA255,344A 1975-07-12 1976-06-21 Production of diffusing discs using sheets of glass fiber-filled thermoplastics Expired CA1068034A (en)

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
CA1068034A true CA1068034A (en) 1979-12-11

Family

ID=5951383

Family Applications (1)

Application Number Title Priority Date Filing Date
CA255,344A Expired CA1068034A (en) 1975-07-12 1976-06-21 Production of diffusing discs using sheets of glass fiber-filled thermoplastics

Country Status (13)

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

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 (de) * 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
JPS5211046A (en) 1977-01-27
DE2531240C2 (de) 1984-07-26
GB1515439A (en) 1978-06-21
DK146776B (da) 1984-01-02
SE7607826L (sv) 1977-01-13
ATA504076A (de) 1979-06-15
NO762255L (de) 1977-01-13
NO144623C (no) 1981-10-07
NL185068B (nl) 1989-08-16
JPS5629241B2 (de) 1981-07-07
CH602314A5 (de) 1978-07-31
NL7607643A (nl) 1977-01-14
DK313376A (da) 1977-01-13
DE2531240A1 (de) 1977-01-27
AT354905B (de) 1979-02-11
BE843908A (fr) 1977-01-10
IT1062602B (it) 1984-10-20
DK146776C (da) 1984-07-16
FR2318020A1 (fr) 1977-02-11
FR2318020B1 (de) 1982-05-21
NL185068C (nl) 1990-01-16
NO144623B (no) 1981-06-29

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