NO126781B - - Google Patents

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Publication number
NO126781B
NO126781B NO01410/70A NO141070A NO126781B NO 126781 B NO126781 B NO 126781B NO 01410/70 A NO01410/70 A NO 01410/70A NO 141070 A NO141070 A NO 141070A NO 126781 B NO126781 B NO 126781B
Authority
NO
Norway
Prior art keywords
cover plate
plate
thickness
carrier
aluminum
Prior art date
Application number
NO01410/70A
Other languages
Norwegian (no)
Inventor
Leon Sabetay
Original Assignee
Cegedur Gp
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 Cegedur Gp filed Critical Cegedur Gp
Publication of NO126781B publication Critical patent/NO126781B/no

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/227Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
    • B23K20/2275Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer the other layer being aluminium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/01Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/016Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of aluminium or aluminium alloys
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/922Static electricity metal bleed-off metallic stock
    • Y10S428/9265Special properties
    • Y10S428/927Decorative informative
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12583Component contains compound of adjacent metal
    • Y10T428/1259Oxide
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736Al-base component
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736Al-base component
    • Y10T428/12764Next to Al-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Metal Rolling (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Description

Foreliggende oppfinnelse angår en fremgangsmåte for fremstilling The present invention relates to a method for production

av dekorative, sammensatte produkter av aluminium eller alumini-um-legeringer. of decorative, composite products of aluminum or aluminum alloys.

Det er kjent at farvenyansen for oksydlaget på anodiserte It is known that the color shade of the oxide layer on anodized

•produkter av aluminium eller aluminium-legeringer, avhenger av •products made of aluminum or aluminum alloys, depends on

den kjemiske sammensetning av det underliggende metall. the chemical composition of the underlying metal.

Denne egenskap har vært anvendt ved fremstilling av dekorative produkter med oksydlag av forskjellige farvenyanser ved anodisering av deler der overflatens kjemiske sammensetning varierér lokalt i This property has been used in the production of decorative products with oxide layers of different color shades by anodizing parts where the chemical composition of the surface varies locally in

overensstemmelse med et visst monster. conformity to a certain monster.

Det foreligger mange kjente fremgangsmåter for å frembringe There are many known methods for producing

lokale variasjoner i overflatens kjemiske sammensetning. Når det gjelder laminerte produkter er det f.eks. mulig å sammenvalse to aluminium-legeringsplater med homogene kjemiske sammensetninger, men av forskjellig art, for å frembringe et sammensatt produkt som utgjores av to lag av forskjellige legeringer, hvoretter et av de to lag fjernes lokalt ved etsing. Den etsede flate fremviser således lokale variasjoner i sin kjemiske sammensetning. En påfolgende anodisering av denne etsede flate, som kan utfores ved hjelp.av et stort antall kjente prosesser, vil gi forskjellige farvenyanser til henhv. de etsede og de ikke-etsede deler av flaten. I henhold til en annen fremgangsmåte, som er beskrevet i fransk patent 1.<1>+66.29<1>+, dekkes overflaten av en aluminiumsplate delvis av sveisesommer som frembringes ved hjelp av en legering som er forskjellig fra grunnplatens legering, hvoretter denne plate gjores glatt. local variations in the chemical composition of the surface. When it comes to laminated products, there is e.g. possible to co-roll two aluminum alloy sheets with homogeneous chemical compositions, but of different nature, to produce a composite product made up of two layers of different alloys, after which one of the two layers is locally removed by etching. The etched surface thus exhibits local variations in its chemical composition. A subsequent anodization of this etched surface, which can be carried out using a large number of known processes, will give different shades of color to the respective the etched and the non-etched parts of the surface. According to another method, which is described in French patent 1.<1>+66.29<1>+, the surface of an aluminum plate is partially covered by weld seams produced by means of an alloy different from that of the base plate, after which this plate made smooth.

Etter en anodisering, vil sveisesommene fremtre med en farvenyanse som er forskjellig fra resten av platen. After anodizing, the weld seams will appear with a color shade that is different from the rest of the plate.

I henhold til en annen prosess, som er beskrevet i det samme franske patent, dekkes en plate av aluminiumlegering, ved hjelp av plettering, med et lag av en annen aluminiumlegering, hvoretter det ytre lag lokalt oppvarmes for å bevirke diffusjon av de to legeringer inn i hverandre, og folgelig dannelse av soner med forskjellige kjemiske sammensetninger. According to another process, which is described in the same French patent, a sheet of aluminum alloy is covered, by means of plating, with a layer of another aluminum alloy, after which the outer layer is locally heated to effect diffusion of the two alloys into in each other, and consequently the formation of zones with different chemical compositions.

Disse prosesser er langsomme og kostbare å utfore, fordi de utfores på et produkt som ligger nær sitt sluttlige fremstillingstrinn, hvorved det vanligvis foreligger i form av en meget tynn plate. These processes are slow and expensive to perform, because they are performed on a product that is close to its final stage of manufacture, whereby it is usually in the form of a very thin plate.

Videre, siden farvenyansene for det sluttlige oksydlag såvel Furthermore, since the color shades for the final oxide layer as well

som platens ovrige egenskaper, slike som mekanisk holdefasthet, ekstruderbarhet osv., avhenger av de sammensatte elementers kjemiske sammensetning, kan dette resultere i uoverensstemmelse mellom farvenyansene og de onskede mekaniske og fysiske egenskaper, as the sheet's other properties, such as mechanical holding strength, extrudability, etc., depend on the chemical composition of the composite elements, this can result in a discrepancy between the color shades and the desired mechanical and physical properties,

hvilket er en stor ulempe. Fremgangsmåten i henhold til foreliggende oppfinnelse, som angår fremstilling .av sammensatte plater med overflatemonstre av lokale kjemiske.heterogeniteter, gjor det mulig å unngå de ovenfor angitte ulemper. which is a big disadvantage. The method according to the present invention, which relates to the production of composite plates with surface samples of local chemical heterogeneities, makes it possible to avoid the above-mentioned disadvantages.

I henhold til oppfinnelsen anvendes en relativt tynn sammensatt dekkplate, fremstilt ved kjente fremgangsmåter og med overflateheterogeniteter av en sådan art som tilsvarer de farvenyanser som onskes i det ferdige oksydlag. According to the invention, a relatively thin composite cover plate is used, produced by known methods and with surface heterogeneities of such a nature that they correspond to the color shades desired in the finished oxide layer.

Denne plate sveises ved varmvalsing og med sin heterogene flate vendt utover, til en relativt tykk bæreplate av en legering som har de mekaniske eller fysiske egenskaper som onskes i sluttproduktet, idet forholdet mellom de respektive tykkelser av bæreplaten og dekkplaten minst er lik.5:1« Deretter valses den sammensveisede sammenstilling av bære- og dekk-platen til den onskede tykkelse, som hoyst er Yl 5 av den opprinnelige tykkelse, men fortrinnsvis er mellom t/30 og 1/500 av den opprinnelige tykkelse. This plate is welded by hot rolling and with its heterogeneous surface facing outwards, to a relatively thick carrier plate of an alloy that has the mechanical or physical properties desired in the final product, the ratio between the respective thicknesses of the carrier plate and the cover plate being at least equal. 5:1 Next, the welded assembly of the carrier and cover plate is rolled to the desired thickness, which is at most Yl 5 of the original thickness, but preferably is between t/30 and 1/500 of the original thickness.

På denne mate oppnås en lang strimmel av sammensatt plate, og On this feed, a long strip of composite plate is obtained, and

som på overflaten har et monster i form av -utstrakte årer, which on the surface has a monster in the form of -outstretched veins,

hvorved den kjemiske sammensetning kan variere fra åre til åre. whereby the chemical composition can vary from vein to vein.

På denne flate er det da mulig, etter en avsluttende anodisering, On this surface, it is then possible, after a final anodization,

å fremkalle et dekorativt monster med farvenyanser, der det monster som fremtrer reproduseres langs hele strimlens lengde. to evoke a decorative monster with shades of color, where the monster that appears is reproduced along the entire length of the strip.

Denne mulighet for reprodusering av det synlige monster langs strimlen, representerer en meget stor estetisk fordel, når strimlen skal kappes opp i plater av mindre dimensjon, sammenlignet med plater fremstilt i henhold til tidligere fremgangsmåter, idet platene fremstilt i henhold til oppfinnelsen, ikke avviker i utseendet fra hverandre, når de sammenstilles side ved side, f.eks. This possibility of reproducing the visible monster along the strip represents a very large aesthetic advantage, when the strip is to be cut into plates of smaller dimensions, compared to plates produced according to previous methods, as the plates produced according to the invention do not deviate in appearance from each other, when they are juxtaposed side by side, e.g.

for dekorering av en bygningsfasade* for decorating a building facade*

Siden bæreplaten er meget tykkere enn dekkplaten, vil de mekaniske egenskaper for den sammensatte plate i praksis være lik egenskapene for en enkel plate av bæreplatens material. Since the carrier plate is much thicker than the cover plate, the mechanical properties of the composite plate will in practice be similar to the properties of a single plate of the carrier plate's material.

Avhengig av bæreplatens art, kan den sammensatte plate i henhold til oppfinnelsen, f.eks. utsettes for en mekanisk formnings-behandling eller også for en varmebehandling som gir en de onskede mekaniske egenskaper. Depending on the nature of the carrier plate, the composite plate according to the invention can, e.g. subjected to a mechanical shaping treatment or also to a heat treatment which gives the desired mechanical properties.

I henhold til en foretrukket utforelse av oppfinnelse, har dekkplaten en tykkelse som ligger mellom noen få mm og noen cm, mens bæreplaten har en tykkelse som ligger mellom 6 og 20 ganger tykkelsen for dekkplaten. According to a preferred embodiment of the invention, the cover plate has a thickness that is between a few mm and a few cm, while the carrier plate has a thickness that is between 6 and 20 times the thickness of the cover plate.

På grunn av muligheten for uavhengig valg av tilvirkningsprosessen for dekkplaten, de legeringer som skal utgjore det sammensatte produkt forholdet mellom tykkelsene av bære- og dekk-platen samt også den endelige anodiseringsprosess for det fremstilte sammensatte produkt, er det mulig å fremkalle uendelige variasjoner i de estetiske og teknologiske egenskaper for det sammensatte produkt i henhold til oppfinnelsen. Due to the possibility of independent selection of the manufacturing process for the cover plate, the alloys that will make up the composite product, the ratio between the thicknesses of the carrier and cover plate as well as the final anodizing process for the manufactured composite product, it is possible to produce infinite variations in the aesthetic and technological properties of the composite product according to the invention.

De folgende eksempler er beregnet på å anskueliggjøre oppfinnelsen uten at denne derved begrenses. The following examples are intended to illustrate the invention without thereby limiting it.

Det onskes å fremstille, i overensstemmelse med oppfinnelsen, en sammensatt plate som består av aluminiumlegeringer og har tynne årer av lyst metallisk utseende, med mellomliggende bredere årer med en dyp grå nyanse. It is desired to produce, in accordance with the invention, a composite plate which consists of aluminum alloys and has thin veins of a bright metallic appearance, with intermediate wider veins of a deep gray shade.

For fremstilling av dekkplaten anvendes en plate med en tykkelse på 20 mm, en lengde på 3 ni og en bredde på 1 ,5 ni, og som består av A-M1-legering, som inneholder omtrent 1,2 vekt$ av mangan og For the production of the cover plate, a plate is used with a thickness of 20 mm, a length of 3 ni and a width of 1.5 ni, and which consists of A-M1 alloy, which contains approximately 1.2 wt$ of manganese and

98,8 vekt$ av aluminium med vanlige forurensninger. En side av dekkplaten pletteres på forhånd med 2 mm av A-S12-legering, som inneholder omkring 12 vekt% silisium og 88 vekt% aluminium. 98.8 wt$ of aluminum with common impurities. One side of the cover plate is pre-plated with 2 mm of A-S12 alloy, which contains about 12 wt% silicon and 88 wt% aluminum.

Overflatelaget av A-S12 og det underliggende lag av A-M1 sammensmeltes lokalt i overensstemmelse med et monster som omfatter siksak-linjer og ved hjelp av en flamme eller en lysbueelektrode av den kjente TIG-type. I den smeltede sone blander de to A-S12-og A-M1-legeringer på mer eller mindre regulær måte. I de usmeltede deler, vil de to legeringer gjensidig diffundere inn i hverandre i The surface layer of A-S12 and the underlying layer of A-M1 are locally fused in accordance with a pattern comprising zigzag lines and by means of a flame or an arc electrode of the known TIG type. In the molten zone, they mix the two A-S12 and A-M1 alloys in a more or less regular way. In the unmelted parts, the two alloys will mutually diffuse into each other i

fast tilstand. solid state.

Denne dekkplate sveises så ved varmvalsing til en bæreplate med en tykkelse på 200 mm, en lengde på 3 m og en bredde på 1,5 m, idet bæreplaten består av A-MlG-legering, som inneholder omkring 1,3 vekt% av mangan, 1,1 vekt% av magnesium og 97,6 vekt% av aluminium med de vanlige forurensninger. A-S12-flaten på dekk-platen rettes herunder utad. Sammenstillingen av bære- og dekk-plate valses deretter til en tykkelse på omkring 4 mm. Det opprinnelige heterogenitetsmonster på dekkplaten utstrekkes herved mer enn 50 ganger. This cover plate is then welded by hot rolling to a carrier plate with a thickness of 200 mm, a length of 3 m and a width of 1.5 m, the carrier plate consisting of A-MlG alloy, which contains about 1.3% by weight of manganese , 1.1% by weight of magnesium and 97.6% by weight of aluminum with the usual impurities. The A-S12 surface on the cover plate is directed outwards below. The assembly of carrier and cover plate is then rolled to a thickness of around 4 mm. The original heterogeneity sample on the cover plate is thereby extended more than 50 times.

Den sammensatte strimmel med tykkelse på 4 mm som således oppnås, utsettes for en overflaterensning ned til en dybde på omkring 2/100 mm, fulgt av en anodisering i vandig svovelsyreopplosning, i overensstemmelse med kjente prosesser. Den således behandlede stripe for en dyp grå overflatenyanse, med et monster av mer eller mindre lyse langstrakte årer, hvilket i utseendet ligner overflater på visse naturlige bergarter. The composite strip with a thickness of 4 mm thus obtained is subjected to a surface cleaning down to a depth of about 2/100 mm, followed by an anodization in an aqueous sulfuric acid solution, in accordance with known processes. The strip thus treated for a deep gray surface shade, with a monster of more or less light elongated veins, which in appearance resembles the surfaces of certain natural rocks.

Når dette sammensatte produkt anvendes for dekorering av butikk-fasader, oppnås en ioyenfallende estetisk effekt. When this composite product is used to decorate shop fronts, an eye-catching aesthetic effect is achieved.

De sammensatte produkter i henhold til oppfinnelsen kan anvendes på forskjellige områder som i arkitektur, ved mobeltilvirkning, for husholdsartikler, i bilfabrikker og for mange forskjellige dekorasjonsgjenstander. The composite products according to the invention can be used in various areas such as in architecture, in furniture manufacturing, for household items, in car factories and for many different decorative objects.

Claims (2)

1. Fremgangsmåte for fremstilling av sammensatte plater av aluminium eller aluminium-legeringer med lokale kjemiske overflateheterogeniteter, som, ved hjelp av anodisering, kan bringes til å fremtre som variasjoner i overflatens farvenyanse og med en dekorativ effekt, fortrinnsvis for bruk på mobler, husholdnings-gjenstander, bildeler og i arkitektur,karakterisertved at en relativt tynn sammensatt dekkplate, fremstilt ved kjent fremgangsmåte og med overflateheterogeniteter av en sådan1. Process for the production of composite sheets of aluminum or aluminum alloys with local chemical surface heterogeneities, which, by means of anodization, can be made to appear as variations in the color shade of the surface and with a decorative effect, preferably for use on furniture, household objects, car parts and in architecture, characterized in that a relatively thin composite cover plate, produced by a known method and with surface heterogeneities of such art som tilsvarer de farvenyanser som onskes i det ferdige oksydlag, sveises ved varm-valsing og med sin heterogene flate vendt utover, til en relativt tykk bæreplate av en legering som har de mekaniske eller fysiske egenskaper som onskes i sluttproduktet, idet forholdet mellom de respektive tykkelser av bæreplaten og dekkplaten minst er lik 5:1, hvoretter den sammensveisede sammenstilling av bære-og dekk-plate valses til den onskede tykkelse, som hoyst er 1/15 av den opprinnelige tykkelse, og sammenstillingen er klar til å anodiseres på kjent måte. type that corresponds to the color shades desired in the finished oxide layer, is welded by hot-rolling and with its heterogeneous surface facing outwards, to a relatively thick carrier plate of an alloy that has the mechanical or physical properties desired in the final product, as the ratio between the respective thicknesses of the carrier plate and cover plate are at least equal to 5:1, after which the welded assembly of carrier and cover plate is rolled to the desired thickness, which is at most 1/15 of the original thickness, and the assembly is ready to be anodized in a known manner . 2. Fremgangsmåte som angitt i krav 1,karakterisert vedat det anvendes en dekkplate med en tykkelse som ligger mellom noen få mm og noen cm.2. Method as stated in claim 1, characterized in that a cover plate is used with a thickness between a few mm and a few cm.
NO01410/70A 1969-04-16 1970-04-15 NO126781B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6911760A FR2040876A5 (en) 1969-04-16 1969-04-16

Publications (1)

Publication Number Publication Date
NO126781B true NO126781B (en) 1973-03-26

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ID=9032481

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Application Number Title Priority Date Filing Date
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US (1) US3865560A (en)
AT (1) AT298952B (en)
BE (1) BE748975A (en)
CA (1) CA948359A (en)
CH (1) CH513990A (en)
ES (1) ES378612A1 (en)
FR (1) FR2040876A5 (en)
GB (1) GB1311970A (en)
NL (1) NL7005389A (en)
NO (1) NO126781B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2823767B1 (en) 2001-04-24 2004-02-06 Pechiney Rhenalu HIGH THICKNESS METAL BLOCKS FOR MACHINING
US7452454B2 (en) * 2001-10-02 2008-11-18 Henkel Kgaa Anodized coating over aluminum and aluminum alloy coated substrates
US7578921B2 (en) * 2001-10-02 2009-08-25 Henkel Kgaa Process for anodically coating aluminum and/or titanium with ceramic oxides
US7569132B2 (en) * 2001-10-02 2009-08-04 Henkel Kgaa Process for anodically coating an aluminum substrate with ceramic oxides prior to polytetrafluoroethylene or silicone coating
US7820300B2 (en) * 2001-10-02 2010-10-26 Henkel Ag & Co. Kgaa Article of manufacture and process for anodically coating an aluminum substrate with ceramic oxides prior to organic or inorganic coating
US9701177B2 (en) 2009-04-02 2017-07-11 Henkel Ag & Co. Kgaa Ceramic coated automotive heat exchanger components
ES2569034T3 (en) * 2010-12-06 2016-05-06 Bang&Olufsen A/S A method of obtaining a radiation dispersion surface finish on an object
WO2013113867A1 (en) * 2012-02-01 2013-08-08 Bang & Olufsen A/S A method for manufacturing a multilayer structure of different metals and alloys

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941282A (en) * 1955-01-21 1960-06-21 Howard A Fromson Decorative aluminum product
US3076706A (en) * 1958-10-21 1963-02-05 Reynolds Metals Co Method of forming wrought aluminous metal
US3290145A (en) * 1962-03-09 1966-12-06 Reynolds Metals Co Method of producing multitextural flat stock
US3400057A (en) * 1964-06-03 1968-09-03 Reynolds Metals Co Alloy and finishing system
US3370943A (en) * 1965-11-04 1968-02-27 Kaiser Aluminium Chem Corp Aluminum alloy

Also Published As

Publication number Publication date
ES378612A1 (en) 1973-02-01
NL7005389A (en) 1970-10-20
US3865560A (en) 1975-02-11
DE2018026B2 (en) 1973-01-04
FR2040876A5 (en) 1971-01-22
CA948359A (en) 1974-06-04
CH513990A (en) 1971-10-15
BE748975A (en) 1970-10-15
GB1311970A (en) 1973-03-28
DE2018026A1 (en) 1970-10-22
AT298952B (en) 1972-05-25

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