PT1316623E - Method to produce aluminium alloy products by roll forming - Google Patents
Method to produce aluminium alloy products by roll forming Download PDFInfo
- Publication number
- PT1316623E PT1316623E PT01128217T PT01128217T PT1316623E PT 1316623 E PT1316623 E PT 1316623E PT 01128217 T PT01128217 T PT 01128217T PT 01128217 T PT01128217 T PT 01128217T PT 1316623 E PT1316623 E PT 1316623E
- Authority
- PT
- Portugal
- Prior art keywords
- web
- aluminum alloy
- roll
- products
- roll forming
- Prior art date
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 10
- 238000007731 hot pressing Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000005275 alloying Methods 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/383—Cladded or coated products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Continuous Casting (AREA)
Description
11
DESCRIÇÃODESCRIPTION
"PROCESSO PARA PRODUZIR PRODUTOS EM ROLO EM LIGA DE ALUMÍNIO" A presente invenção refere-se a um processo para produzir produtos em rolo através de moldes de rolo de uma banda em liga de alumínio, em que as bandas produzidas em liga de alumínio são perfiladas em moldes de rolos para serem produtos acabados, como por exemplo membros de estores de enrolar, bandas de clarabóias, de painéis e fachadas. Do estado actual da técnica conhecemos a produção das respectivas bandas para produtos em rolo em liga de alumínio AA 3005. As exigências de uma banda para produtos em rolo residem essencialmente na resistência a torção e amolgadela, ou seja, na estabilidade do produto perfilado acabado, nas excelentes propriedades de deformação mesmo com raios de curvatura críticos (em membros de estores para enrolar t=0), na excelente possibilidade de moldagem em rolo ao mesmo tempo que possui uma excelente aderência da pintura." PROCESS FOR PRODUCING ALUMINUM LEATHER ROLL PRODUCTS " The present invention relates to a process for producing rolled products through aluminum alloy web roll molds, wherein the webs produced in aluminum alloy are profiled in roll molds to be finished products, for example members of roller shutters, skylight bands, panels and facades. From the current state of the art we know the production of the respective strips for rolled products in aluminum alloy AA 3005. The requirements of a web for rolled products reside essentially in the torsion and tack resistance, that is, in the stability of the finished profiled product, in excellent deformation properties even with critical curvature radii (on roller shutter members t = 0), in the excellent possibility of roll forming while having excellent paint adhesion.
Por razões de peso e de custos, são utilizadas cada vez mais, na produção de produtos em rolo, bandas com menor espessura , < 0,3 mm. Com estas espessuras, as bandas para produtos em rolo fabricados com as ligas conhecidas do estado actual da técnica, apresentam problemas de estabilidade relativamente à resistência à torção e à amolgadela. A brochura "Aluminium mill products, general properties", Aluminium Pechiney, Outubro de 1986, p. 85-86, 2 descreve uma liga de alumínio do tipo AA3005, famosa pela sua aplicação em produtos em rolo. Aliás, esta liga permite um raio de curvatura t=0 apenas com uma espessura de 0,35 mm. Porém, os produtos em rolo requerem raios de curvatura críticos com t=0, mesmo em paredes com espessura menor que 0,3 mm. A partir das versões anteriores, a presente invenção pretende apresentar um processo para produzir produtos em rolo, que garantem uma elevada estabilidade do produto perfilado acabado. A tarefa mencionada é resolvida por um processo com as características da reivindicação da patente 1. A liga de alumínio para produzir produtos em rolo apresenta as seguintes porções de liga em percentagens de peso: 0,1 < Si < 0,5 0,15 < Fe < 0,5 0,05 < Cu < 0,25 0,8 < Mn < 1,4 0,4 < Mg < 1,3 outros somado um máximo de 0,15, individualmente um máximo de 0,05.For reasons of weight and cost, more thin bands are used in the production of rolled products, < 0.3 mm. With these thicknesses, the strips for roll products made from the alloys known in the art, present stability problems with respect to torsion resistance and dents. The brochure " Aluminum mill products, general properties ", Aluminum Pechiney, October 1986, p. 85-86, 2 describes an aluminum alloy of type AA3005, famous for its application in roll products. Incidentally, this alloy allows a radius of curvature t = 0 only to have a thickness of 0.35 mm. However, roll products require critical bending radii at t = 0, even on walls with thicknesses less than 0.3 mm. From the previous versions, the present invention aims to present a process for producing roll products, which guarantee a high stability of the finished profiled product. The mentioned task is solved by a process having the features of patent claim 1. Aluminum alloy to produce rolled products has the following alloy moieties in weight percentages: 0.1 < If < 0.5 0.15 < Fe < 0.5 0.05 < Cu < 0.25 0.8 < Mn < 1.4 0.4 < Mg < 1.3 others added a maximum of 0.15, individually a maximum of 0.05.
Esta liga de alumínio permite também, na utilização de menores espessuras de metal, uma elevada estabilidade do produto perfilado acabado. Para além disso, a liga apresenta excelentes propriedades de deformação, mesmo com raios de curvatura críticos, uma excelente moldagem, bem como uma excelente aderência da pintura devido ao facto da superfície metálica ser lisa e propícia a isso depois da deformação. 3 É conseguida uma boa textura da banda para produtos em rolo pelo facto da barra ser, no pré-aquecimento do processo de prensagem a quente, temperada a uma temperatura entre 480 a 610°C durante pelo menos 3 horas e da prensagem a quente ser feita a uma temperatura entre 270 e 550°C.This aluminum alloy also allows, in the use of smaller metal thicknesses, a high stability of the finished profiled product. Furthermore, the alloy exhibits excellent deformation properties, even with critical bending radii, excellent molding, as well as excellent adhesion of the paint due to the fact that the metal surface is smooth and suitable therefor after deformation. A good web texture is achieved for roll products in that the web is preheated in the hot pressing process, tempered at a temperature of from 480 to 610 ° C for at least 3 hours and the hot pressing is made at a temperature between 270 and 550 ° C.
Pelo facto da textura da banda apresentar 2 a 10 fases de fundição por ΙΟΟΟμηι2 com um tamanho máximo de 40pm e um comprimento médio de 2 a βμμπι, 500 a 1200 expulsões por 1000 μιη2, bem como resistências restantes na área de 1,2 a 2,5yohm cm, garante-se que a banda possui uma excelente resistência à torção conforme a segunda teoria da invenção e permite raios de curvatura de t=0 sem quaisquer problemas e, para além disso, distingue-se pelo excelente processamento continuo (=moldagem). A invenção é particularmente vantajosa pelo facto da banda apresentar uma camada de pintura aplicada por meio de um processo Coil-Coating. Este tipo de camada aplicada com este processo tem uma aderência muito boa à pintura, que evita a pintura sair ou ficar danificada durante a moldagem do rolo.Because the band texture presents 2 to 10 melting phases per ΙΟΟΟμηι2 with a maximum size of 40pm and an average length of 2 to βμμπι, 500 to 1200 expulsions per 1000 μιη2, as well as remaining resistances in the area of 1.2 to 2 , 5yohm cm, it is ensured that the web has excellent torsional strength according to the second theory of the invention and allows for bending radii of t = 0 without any problems and is further distinguished by excellent continuous processing (= molding ). The invention is particularly advantageous in that the strip has a paint layer applied by means of a Coil-Coating process. This type of layer applied with this process has a very good adhesion to the paint, which prevents the paint from leaving or getting damaged during the molding of the roller.
Existe uma multiplicidade de possibilidades para equipar e desenvolver o processo da invenção para produzir produtos em rolo. Remete-se, por exemplo, por um lado, para as reivindicações de patente e, por outro lado, para a descrição de um exemplo de execução para um produto em rolo juntamente com o desenho.There is a multiplicity of possibilities for equipping and developing the inventive process for producing roll products. It refers, for example, on the one hand, to the patent claims and, on the other hand, for the description of an exemplary embodiment for a roll product together with the drawing.
No desenho, a única figura mostra parcialmente uma perspectiva de um corte através de um exemplo de execução de um produto em rolo produzido com uma liga de aluminio conforme a invenção.In the drawing, the single figure partially shows a perspective view of a cut through an exemplary embodiment of a roll product produced with an aluminum alloy according to the invention.
Trata-se aqui de uma barra para estores de enrolar. 4This is a roller shutter bar. 4
Esta barra para estores de enrolar é produzida, como se conhece do estado actual da técnica, por moldes de rolos de uma banda para produtos em rolo 1. Esta banda é composta por uma liga de alumínio com as seguintes porções de liga em percentagens de peso: 0,1 < Si < 0,5 0,15 < Fe < 0,5 0,05 < Cu < 0,25 0,8 < Mn < 1,4 0,4 < Mg < 1,3 outros somando um máximo de 0,15, individualmente um máximo de 0,05.This roller blind bar is produced, as is known from the prior art, by one-roll roller molds for roll products 1. This strip is composed of an aluminum alloy having the following alloy portions in weight percentages : 0.1 < If < 0.5 0.15 < Fe < 0.5 0.05 < Cu < 0.25 0.8 < Mn < 1.4 0.4 < Mg < 1.3 others adding a maximum of 0.15, individually a maximum of 0.05.
Resto Al. O espaço oco da barra para estores de enrolar, apresentada na única figura, é preenchido no exemplo de execução apresentado por uma espuma de plástico 2.Alternate. The hollow space of the roller blind, shown in the single figure, is filled in the execution example presented by a plastic foam 2.
Na posição 3 vê-se perfeitamente a deformação critica com um raio de curvatura de t=0. A liga de alumínio permite uma deformação crítica deste tipo no produto acabado pintado.In position 3 the critical deformation with a radius of curvature of t = 0 is perfectly seen. The aluminum alloy allows such a critical deformation in the painted finished product.
Para além disso, a utilização da liga de alumínio conforme a invenção permite também uma boa estabilidade da barra para estores de enrolar, mesmo quando a espessura do metal está abaixo dos 0,3. A produção da banda para produtos em rolo 1 é efectuada por barras da liga de alumínio por pré-aquecimento à temperatura de 480 a 610°C com uma permanência de pelo menos 3 horas, a prensagem a quente à temperatura de 270 a 550°C, prensagem a frio e um tratamento de aquecimento. 5 A banda para produtos em rolo apresenta, depois da pintura, a seguintes caracteristicas:Moreover, the use of the aluminum alloy according to the invention also allows good stability of the rolling shutter bar even when the thickness of the metal is below 0.3. Production of the web for rolled products 1 is carried out by aluminum alloy bars by preheating at a temperature of 480 to 610 ° C for a period of at least 3 hours, hot pressing at a temperature of 270 to 550 ° C , cold pressing and a heating treatment. 5 The band for roller products has, after painting, the following characteristics:
Resistência à tracção: Rm 240-280 N/mm2Tensile strength: Rm 240-280 N / mm2
Limite de elasticidade: Rp >215 N/mm2Elastic yield: Rp> 215 N / mm2
Alongamento de ruptura: A50>6%Elongation at break: A50> 6%
Numa produção da banda através de vazamento continuo de uma barra de rolo, do pré-aquecimento das barras à temperatura de 480 a 610°C e da prensagem a quente à temperatura de 550 a 270°C, é obtida a textura desejada. A textura da banda é identificada por uma quantidade das fases de fundição (também designadas de separações grossas) na área de 2 a 10 por lOOOym2 com um tamanho máximo de 40μιη e um comprimento médio de 2 a 6pm. A banda apresenta ainda separações finas menores que Ιμιη, cuja quantidade se encontra na área de 500 a 1200 por lOOOym2.In a production of the web by continuous casting of a roll bar, preheating of the bars at a temperature of 480 to 610 ° C and hot pressing at a temperature of 550 to 270 ° C, the desired texture is obtained. The texture of the web is identified by a number of melt phases (also referred to as thick separations) in the range of 2 to 10 per 1000 O 2 with a maximum size of 40μιη and an average length of 2 to 6pm. The band also has fine separations smaller than Ιμιη, whose quantity is in the area of 500 to 1200 per 10000 and 2.
Por fim, a banda apresenta uma solução identificada por restantes resistências na área de 1,2 a 2,5yohm cm. A medição de restantes resistências é feita a uma temperatura de hélio de 4,2K. 6 ΕΡ 1 316 623 BlFinally, the band presents a solution identified by other resistances in the area of 1.2 to 2.5 μmhm cm. Measurement of the remaining resistors is done at a helium temperature of 4.2K. 6 ΕΡ 1 316 623 Bl
DOCUMENTOS APRESENTADOS ΝΑ DESCRIÇÃODOCUMENTS PRESENTED ΝΑ DESCRIPTION
Esta lista dos documentos apresentados pelo requerente foi exclusívamente recolhida para informação do leitor e não faz parte do documento europeu da patente. Foi elaborada com o máximo cuidado; ο ΕΡΆ não assume, porém, qualquer responsabilidade por eventuais erros ou omissões.This list of documents submitted by the applicant has been collected solely for the reader's information and is not part of the European patent document. It was elaborated with the utmost care; ο ΕΡΆ assumes no responsibility for any errors or omissions.
Literatura não relacionada com patentes referida na descrição • Aluminium mill products, general properties. Aluminium Pechíney, Outubro 1986, 85-86 [0003]Non-patent literature referred to in the description • Aluminum mill products, general properties. Aluminum Pechíney, October 1986, 85-86 [0003]
Lisboa, 30/11/2007Lisbon, 11/30/2007
Claims (2)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01128217A EP1316623B1 (en) | 2001-11-28 | 2001-11-28 | Method to produce aluminium alloy products by roll forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT1316623E true PT1316623E (en) | 2007-12-12 |
Family
ID=8179367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT01128217T PT1316623E (en) | 2001-11-28 | 2001-11-28 | Method to produce aluminium alloy products by roll forming |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20050139296A1 (en) |
| EP (1) | EP1316623B1 (en) |
| AR (1) | AR037450A1 (en) |
| AT (1) | ATE372396T1 (en) |
| AU (1) | AU2002365461A1 (en) |
| DE (1) | DE50112971D1 (en) |
| DK (1) | DK1316623T3 (en) |
| ES (1) | ES2292522T3 (en) |
| HU (1) | HU229809B1 (en) |
| PL (1) | PL200434B1 (en) |
| PT (1) | PT1316623E (en) |
| WO (1) | WO2003046238A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2648339C2 (en) * | 2016-05-31 | 2018-03-23 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Conductive aluminum alloy and articles thereof |
| CN111020250B (en) * | 2019-12-19 | 2021-09-07 | 广西南南铝加工有限公司 | Production method of 3005 aluminum alloy wafer for electric cooker liner |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57143472A (en) * | 1981-03-02 | 1982-09-04 | Sumitomo Light Metal Ind Ltd | Manufacture of aluminum alloy sheet for forming |
| US4637842A (en) * | 1984-03-13 | 1987-01-20 | Alcan International Limited | Production of aluminum alloy sheet and articles fabricated therefrom |
| JP2520694B2 (en) * | 1988-06-06 | 1996-07-31 | 富士写真フイルム株式会社 | Support for lithographic printing plates |
| FR2713664B1 (en) * | 1993-11-17 | 1996-05-24 | Pechiney Rhenalu | Al-Si-Mg alloy with improved ductility and stampability and process for obtaining it. |
| JPH07233456A (en) * | 1994-02-23 | 1995-09-05 | Furukawa Electric Co Ltd:The | Production of aluminum alloy sheet excellent in formability |
| JPH0813109A (en) * | 1994-06-23 | 1996-01-16 | Sky Alum Co Ltd | Production of aluminum alloy sheet for forming |
| JPH0813119A (en) * | 1994-07-05 | 1996-01-16 | Hitachi Zosen Corp | Sealing treatment for thermally sprayed coating film of self-fluxing alloy |
| DE19723553A1 (en) * | 1997-06-05 | 1998-12-10 | Vaw Ver Aluminium Werke Ag | Method and device for producing a container body |
-
2001
- 2001-11-28 PT PT01128217T patent/PT1316623E/en unknown
- 2001-11-28 DE DE50112971T patent/DE50112971D1/en not_active Expired - Lifetime
- 2001-11-28 ES ES01128217T patent/ES2292522T3/en not_active Expired - Lifetime
- 2001-11-28 EP EP01128217A patent/EP1316623B1/en not_active Revoked
- 2001-11-28 DK DK01128217T patent/DK1316623T3/en active
- 2001-11-28 AT AT01128217T patent/ATE372396T1/en active
-
2002
- 2002-11-21 WO PCT/EP2002/013044 patent/WO2003046238A1/en not_active Application Discontinuation
- 2002-11-21 AU AU2002365461A patent/AU2002365461A1/en not_active Abandoned
- 2002-11-21 US US10/497,266 patent/US20050139296A1/en not_active Abandoned
- 2002-11-21 PL PL370815A patent/PL200434B1/en unknown
- 2002-11-21 HU HU0402375A patent/HU229809B1/en not_active IP Right Cessation
- 2002-11-27 AR ARP020104571A patent/AR037450A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| PL370815A1 (en) | 2005-05-30 |
| WO2003046238A1 (en) | 2003-06-05 |
| AU2002365461A1 (en) | 2003-06-10 |
| ATE372396T1 (en) | 2007-09-15 |
| AR037450A1 (en) | 2004-11-10 |
| HUP0402375A2 (en) | 2005-02-28 |
| DK1316623T3 (en) | 2008-01-21 |
| DE50112971D1 (en) | 2007-10-18 |
| EP1316623A1 (en) | 2003-06-04 |
| ES2292522T3 (en) | 2008-03-16 |
| HU229809B1 (en) | 2014-08-28 |
| PL200434B1 (en) | 2009-01-30 |
| US20050139296A1 (en) | 2005-06-30 |
| EP1316623B1 (en) | 2007-09-05 |
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