ZA9410272B - Extrusion process for plastics - Google Patents

Extrusion process for plastics

Info

Publication number: ZA9410272B
Authority: ZA; South Africa
Prior art keywords: plastics; extrusion process; extrusion
Prior art date: 1993-12-24

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.)

1993-12-24

Filing date

1994-12-22

Publication date

1995-08-29

1994-12-22 Application filed by Roehm Gmbh filed Critical Roehm Gmbh

1995-08-29 Publication of ZA9410272B publication Critical patent/ZA9410272B/en

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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Ophthalmology & Optometry (AREA)
Health & Medical Sciences (AREA)
Manufacturing & Machinery (AREA)
Optics & Photonics (AREA)
General Physics & Mathematics (AREA)
Life Sciences & Earth Sciences (AREA)
Sustainable Development (AREA)
Sustainable Energy (AREA)
Thermal Sciences (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
General Engineering & Computer Science (AREA)

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 (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE20113934U1 (en)	2001-08-23	2001-11-15	Heeg, Manfred, 82319 Starnberg	Light element
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

1993
- 1993-12-24 DE DE4344392A patent/DE4344392A1/en not_active Withdrawn
1994
- 1994-12-22 ZA ZA9410272A patent/ZA9410272B/en unknown

Also Published As

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

Publication	Publication Date	Title
GB9311092D0 (en)	1993-07-14	Extrusion process
CZ242896A3 (en)	1997-04-16	Plastic extrusion process
AU6017094A (en)	1994-07-19	Plastic molding apparatus
EP0642901A3 (en)	1995-05-17	Apparatus for granulating plastics.
GB2276583B (en)	1996-11-27	Plastic moulding apparatus
GB9326050D0 (en)	1994-02-23	Continuous extrusion
ZA9410272B (en)	1995-08-29	Extrusion process for plastics
AU118448S (en)	1993-10-13	An extrusion
IL116192A0 (en)	1996-03-31	Extruded plastic
ZA938697B (en)	1994-06-30	Extrusion process
GB9301655D0 (en)	1993-03-17	Extrusion process
GB9019217D0 (en)	1990-10-17	Plastics extrusion
AU120416S (en)	1994-05-20	Extrusion
AU118783S (en)	1993-11-15	Extrusion
AU119336S (en)	1994-02-01	Extrusion
AU119337S (en)	1994-02-01	Extrusion
AU119484S (en)	1994-02-24	Extrusion
AU119485S (en)	1994-02-24	Extrusion
AU119486S (en)	1994-02-24	Extrusion
AU119528S (en)	1994-03-01	Extrusion
AU120193S (en)	1994-05-04	Extrusion
AU119168S (en)	1994-01-04	Extrusion
AU120601S (en)	1994-06-15	Extrusion
AU119167S (en)	1994-01-04	Extrusion
AU119149S (en)	1993-12-23	Extrusion