ZA9410272B - Extrusion process for plastics - Google Patents

Extrusion process for plastics

Info

Publication number
ZA9410272B
ZA9410272B ZA9410272A ZA9410272A ZA9410272B ZA 9410272 B ZA9410272 B ZA 9410272B ZA 9410272 A ZA9410272 A ZA 9410272A ZA 9410272 A ZA9410272 A ZA 9410272A ZA 9410272 B ZA9410272 B ZA 9410272B
Authority
ZA
South Africa
Prior art keywords
plastics
extrusion process
extrusion
Prior art date
Application number
ZA9410272A
Inventor
Volker Benz
Martin Berkenkopf
Udo Fischer
Hans Lorenz
Michale 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
Application filed by Roehm Gmbh filed Critical Roehm Gmbh
Publication of ZA9410272B publication Critical patent/ZA9410272B/en

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
    • 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
    • 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
ZA9410272A 1993-12-24 1994-12-22 Extrusion process for plastics ZA9410272B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4344392A DE4344392A1 (en) 1993-12-24 1993-12-24 Extrusion of plastic plate for Fresnel lens mfr.

Publications (1)

Publication Number Publication Date
ZA9410272B true ZA9410272B (en) 1995-08-29

Family

ID=6506151

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9410272A ZA9410272B (en) 1993-12-24 1994-12-22 Extrusion process for plastics

Country Status (2)

Country Link
DE (1) DE4344392A1 (en)
ZA (1) ZA9410272B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004043556A1 (en) * 2004-09-09 2006-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Solar collector with translucent cover
DE102019003663A1 (en) * 2019-05-21 2020-11-26 Wolfram Held Optical device for changing the direction and / or distribution of light from at least one illuminant

Also Published As

Publication number Publication date
DE4344392A1 (en) 1995-06-29

Similar Documents

Publication Publication Date Title
GB9311092D0 (en) Extrusion process
CZ242896A3 (en) Plastic extrusion process
AU6017094A (en) Plastic molding apparatus
EP0642901A3 (en) Apparatus for granulating plastics.
GB2276583B (en) Plastic moulding apparatus
GB9326050D0 (en) Continuous extrusion
AU118448S (en) An extrusion
ZA9410272B (en) Extrusion process for plastics
IL116192A (en) Extruded plastic
GB9301655D0 (en) Extrusion process
ZA938697B (en) Extrusion process
GB9019217D0 (en) Plastics extrusion
AU120416S (en) Extrusion
AU119167S (en) Extrusion
AU119337S (en) Extrusion
AU119484S (en) Extrusion
AU119485S (en) Extrusion
AU119486S (en) Extrusion
AU119528S (en) Extrusion
AU120193S (en) Extrusion
AU120194S (en) Extrusion
AU120195S (en) Extrusion
AU119335S (en) Extrusion
AU119168S (en) Extrusion
AU119169S (en) Extrusion