DK0659531T3 - Fremgangsmåde til ekstrusion af formstofplader og deraf fremstillede Fresnellinser - Google Patents

Fremgangsmåde til ekstrusion af formstofplader og deraf fremstillede Fresnellinser

Info

Publication number
DK0659531T3
DK0659531T3 DK94120043T DK94120043T DK0659531T3 DK 0659531 T3 DK0659531 T3 DK 0659531T3 DK 94120043 T DK94120043 T DK 94120043T DK 94120043 T DK94120043 T DK 94120043T DK 0659531 T3 DK0659531 T3 DK 0659531T3
Authority
DK
Denmark
Prior art keywords
extrusion
fresnel lenses
made therefrom
plastic sheets
roller
Prior art date
Application number
DK94120043T
Other languages
English (en)
Inventor
Volker Dr Benz
Hans Lorenz
Martin Berkenkopf
Udo Dr Ing Dipl-Ing Fischer
Michael Dr Meier-Kaiser
Original Assignee
Roehm Gmbh
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
Priority claimed from DE4344392A external-priority patent/DE4344392A1/de
Priority claimed from DE9319928U external-priority patent/DE9319928U1/de
Priority claimed from DE4407468A external-priority patent/DE4407468B4/de
Application filed by Roehm Gmbh filed Critical Roehm Gmbh
Application granted granted Critical
Publication of DK0659531T3 publication Critical patent/DK0659531T3/da

Links

Classifications

    • 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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00278—Lenticular sheets
    • B29D11/00288—Lenticular sheets made by a rotating cylinder
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00269—Fresnel lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
    • F24S23/31—Arrangements for concentrating solar-rays for solar heat collectors with lenses having discontinuous faces, e.g. Fresnel lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S2080/01—Selection of particular materials
    • F24S2080/015—Plastics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Photovoltaic Devices (AREA)
DK94120043T 1993-12-24 1994-12-17 Fremgangsmåde til ekstrusion af formstofplader og deraf fremstillede Fresnellinser DK0659531T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4344392A DE4344392A1 (de) 1993-12-24 1993-12-24 Verfahren zur Herstellung linearer Fresnel-Linsen aus thermoplastischen Kunststoffen
DE9319928U DE9319928U1 (de) 1993-12-24 1993-12-24 Sonnenkollektoren
DE4407468A DE4407468B4 (de) 1994-03-05 1994-03-05 Verfahren zur Extrusion von Kunststofftafeln

Publications (1)

Publication Number Publication Date
DK0659531T3 true DK0659531T3 (da) 2000-08-07

Family

ID=27205923

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94120043T DK0659531T3 (da) 1993-12-24 1994-12-17 Fremgangsmåde til ekstrusion af formstofplader og deraf fremstillede Fresnellinser

Country Status (9)

Country Link
US (2) US5656209A (da)
EP (1) EP0659531B1 (da)
JP (1) JPH07290552A (da)
KR (1) KR100311549B1 (da)
AT (1) ATE192963T1 (da)
DE (1) DE59409357D1 (da)
DK (1) DK0659531T3 (da)
ES (1) ES2147214T3 (da)
IL (1) IL112322A (da)

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US7789651B2 (en) * 2006-12-22 2010-09-07 N. P. Johnson Family Limited Partnership Presnel lens angular segment manufacturing apparatus and method
US8118447B2 (en) 2007-12-20 2012-02-21 Altair Engineering, Inc. LED lighting apparatus with swivel connection
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US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US8324817B2 (en) 2008-10-24 2012-12-04 Ilumisys, Inc. Light and light sensor
US7938562B2 (en) 2008-10-24 2011-05-10 Altair Engineering, Inc. Lighting including integral communication apparatus
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DE102009001102A1 (de) 2009-02-24 2010-08-26 Evonik Röhm Gmbh Verfahren und Bemessungsregel zur Dimensionierung und Herstellung von Fresnel-Linsen zur Licht-Fokussierung
WO2011119921A2 (en) 2010-03-26 2011-09-29 Altair Engineering, Inc. Led light with thermoelectric generator
US8540401B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED bulb with internal heat dissipating structures
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US20110269087A1 (en) * 2010-04-30 2011-11-03 Duchateau Gary L Portable solar panel for heating air
JP2012144033A (ja) * 2010-07-01 2012-08-02 Sumitomo Chemical Co Ltd 樹脂シートの製造方法
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US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
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JP6046737B2 (ja) * 2012-11-01 2016-12-21 株式会社クラレ レンズシートの製造方法
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Also Published As

Publication number Publication date
ES2147214T3 (es) 2000-09-01
EP0659531A1 (de) 1995-06-28
US5656209A (en) 1997-08-12
US5870233A (en) 1999-02-09
IL112322A0 (en) 1995-12-08
KR100311549B1 (ko) 2001-12-15
IL112322A (en) 1997-09-30
KR950019774A (ko) 1995-07-24
DE59409357D1 (de) 2000-06-21
ATE192963T1 (de) 2000-06-15
JPH07290552A (ja) 1995-11-07
EP0659531B1 (de) 2000-05-17

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