DE1483416A1 - Process for combining aluminum with another metal - Google Patents

Description

T) R. ILSE RUCH of Munich

PATENT ADVERTISER R * ta.ta **. Lt 47/49

Telephone ΜΪΪ51. . 1 4 8 3 4 1

Tiles « ^mmali ' ^{cs5e: Plt} ™
Po * »« h ** account: MQndien 145 * 64

i? olio

Allied Cheiilcol Corporation "Now York, Ii.Y., USA

VorfruiTon sua Uniting Aluainiuo alt cinoa

other metal

J) Ie i: riir * lunß concerns a change in eua union of AluEiiniun not another Hotoll

Any over ileriite treatment of aluminum, aetallic condensate structures has the folding winding of the LichtboßcnocKweißcno r.it ./olfratielcktroden under a liquid cover of inerteu gae ee

to bind in eenr praiticc or leo Al.uJLnium in such a way that the connection hotello Λ Lc ^ l ei has the FcQ-i /: i: eit as üao Aluraifiiuu sclbct · iJic connection Jk ', from Aluaiiiiuii tiit einu rmdcreti * Iotall durch a ficliuelBtochnik wax * biolici but still an iroblen, for <aa eo.

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oteilende unu \; lrt. c. ^ aft iche annelimbare Loounß £ ab. -ic so far b knew itethodon of connection of Aluniniuia old one another iletoll by a üohaolztucMiik erior ^ m olle a expensive ο ailboriluöiiiittel and procedures, their application on such cases remained linked to their .irtrcir.ftliclüceit and rinx iclxheit der Burcuführun £ not wet;.;.; bend w

The part oo not publicly Consequences the "he:> Difficulty _t AIuainiuo old another lietall to orbinding _v iet over the agreement of the verifiability τοη nluxainiun. In the oiieiaiuchen process technology, a lot cc is often desired. To connect aluminum to a sheet metal or a tube from another metal, beiepielev / eioe "in StaidgefUe alt ^ luainiue otmzulü.eiden o <ier" ine cooling cldanga aue copper old to an aluminum apparatus. In such cases, under all the conditions that arise during use, the connection point must be bold and tight for the long term, and be subject to strong beanapruohunüen and pressure. The lack of a satisfactory dividing method for the production of such a connection between parts made of used metals is a major disadvantage.

Duron daa Yerfnhren ά · τ invention can now AluoLnivsa uit beatimiten other metal to be connected in such a way that the Yerbindun ^ astalla a · strength »dia dar daa

BATH

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toilet punch Aluniniuras wciifr-tena same lot. The new method Int · The new Htt! .Ode lot an application for oio verse, ti β-tienen Types of blunders that are not common to you

cl.weiDcn from "luiiinium cri & ugt ₍ bein ^ ieloueiee Stuupfoc iwclCon" UbCtIa ₁ pun ^ aficl veißan _t ßcochlonoene Kinfach-V-connection, einlacUe Ubcrlappunijaiilettirv; and can be gcochlooßv from Koiciiilettirv ^ and nissfinßv from KoJiiitunito-connection other J ^ arateteilon eoviie zur Vcrbintlun <; from -üicciicn and plates an ^ ewnndt »

lao method of the invention ζχιλ connecting alitiiiniun old another metal, like iooh, liickol. Kupier, Ctiron, Zink or a LCiiicrunii from s \ / ci CLaer neiiXOren diooor iletalle, bcatcht in it »dab a Fluf; nit el from 3 / A to 2 1/2 parts by weight en :: tunnoclüorld _t 1 / ^ to 11/2 weight et eil en zinc chloride u »l 11/2 bie ^ Gewi clit et eil cn finely divided lead on a s (tuboren (^ .li'jisenücn obccdachc of other metals ^ cochnolsen« a thin ⁷ & 1 thousand Hct; llal) ijci.eidun (j auo den Gcuchnolsenen jlußiaittel on the surface dieooe other Ileta los formed and last Aluuinlun under preliminary voiuHin .: rineo elcktrioc ien light butene from an olfraooleutrode iiit the lirtallabuc eierung verb ι: id cn Miixt, where the light bo ^ on and eih di , erceugt

; jr.io oo ₍ : tcontrols v / erden that a burning off of the ictallabacheidiinss ver: iie <len v / ird, and tluu alutiinlua and eic metal coating byci. an inert α Gao off /: cac2ilrat "

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In order to achieve a particularly good result, there are 11/4 free 2 1/4 parts of stannochloride, 4 to 1 and 4 ropes of zinc chloride and 1 1/2 ropes of 3 1/2 ropes of lead in finely divided form. · The mass is applied to the surface of the other metal in the form of a package "which can easily be prepared by adding some waeeer or another suitable liquid" the up-shell olsenen FluJkalttels generated · Yorsugswelse is a low Henge Alualniuei applied to the glane metal precipitate before the daait eu connecting Aluainiun is grooved thereof · Aufierdeo can still further gesc ^ iuolsenes Aluuiniua are gt than Abrundungsaaterial Bueef ^, un AEIE Befeetigung üem AIuainiuiateile on the nlUnEenden il tallabecheidune eu tax.

Sas eetalloiclie Aluniniuct, üao ^ eecli / olsen is and left over the ketalldeposit, is thus from the eu attaching Alttainiuatell or optionally from an Aliuainiuntstabt which also delivers a drop of aluminum, all of which later the aluminum ralnluateil applies mainly by aluminum controlled supply is connected, delivered you Terbindu & e des Aluainiueteile iiit data run Alusiniu droplets and the rounding material can bit of the same wolfraaelelectrode, the same power supply and the same disturbance windlgkelt of inert Öas _t * i

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si »äehoelsen des Huiioltiele are applied become «and let a special advantage of the invention« daS according to this method a compound τοη aluminum oit one other metal with the same device, uae usually for the Connection tob Alualniun alt * lmilnlua by arc welding ■ with Wolfrea electrodes under a Kehutshiillo from inert · Oa * ▼ is used, can be done · "Another advantage of the method of the invention is that eo also the production of the same variety of 2uea aenfüfiimeon c taillight.

In carrying out the author throno of the invention lat it wichUe »üaa aas tfberechueeigc on the surface of the other Metal Aufßeochaoleene PluQsu.it el is removed «so that only a smooth solid deposit that has the appearance of a heU shimmering metal has »is formed. This is done automatically by rubbing off the peeled Fluflaitteli ait a suitable t oh, through the loose material τοη the connection is removed. Kruftlgee gleiehaäOigos grating Under a mild bridge of the surface it is generally desirable that the surface should be formed. The disco of the se The received metal notice reads «omugsweiee in the area τοη otwa 0.025 to 0.125 mm and depending on the thickness and type of dos on-

• man »·» ^ HVaN esHP mmuMtw eBHs> ■ - <s ^^ W ^ WswMmjWSjssiiB> s ^ t # msnmsv -em ^ aiie ^ e ^ WeAe ^ mmm ^ w ^^^ p ^ s> ^ # s ^^ v ^ r ^ messns * m ~ ^^ f oanspB) Mo in this Woieo on the surface · dee on metnHs · «• forms · HeteUabeotMendung is TerbultniooaBig stable snm can be iinbigjrsmits to £ M utohon eolsjeson before they get old

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If the medium is not removed and a smooth, thin eluting metallic layer is formed, a porosity arises in the surface of the connection, which is considerably oiled by the dlevfeoti ^ ivCit of the connection .J3ig unimportant, 00 long «this is enough to form the coating on the other metal. Me !! narrow, the dee by AuIutreichen flux agent iA \ is an ordinary island 1 applied to the surface, lit usually sufficient · The thickness of the
yiufloitteleehleht lies in front of the chaelzen usually in the range of Tone about C »1C to 0.25 □» and Yorsugsveiee each about 0.125 ao 0.15 ■■ · Larger lengths can of course also be applied, but this is unnecessary and impractical Greater narrow areas of the material being sought are required in order to form the basis of the metal laboci.
The TOA de »Nussalttel covered Jiaehe the other H tallee ■ among other things, a few en β equal to the connecting curses Aea Aluainiuateils, ie the area to be added to the Aluniniusrteila plus the tone any rounding astral curse ·
his and is at least «twice as big. That
FluAaittel is on the surface dta other Metallοβ gsachaolsen and until aur Verechiaelateoperatur obtained · Xn general-Mslasn a leaperatur ran «tea 200 ⁰ C required, ue aas TluAittel su echoelsen, and Τβηρε ratures of 200 bie
315 ° C are overwhelming. Temperatures considerably above about

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515 ° E has been used as ycrniodan "to" in burning down the FIuO-olttelo out of the way. The kidney netall can be heated on the opposite side of the yar bindune surface, if there is an oxyacctyl flaane, before the river oil is applied or after it has been applied The temperature sound 200 to 31S ⁰ C is obtained and the FLuBaI tt el are then applied, lndea oan die Hase "on the get metal on et reaches" Bann is waiter received "ble daa geeanta FluOolttel let go. Doe ecachoolsena fluAalttal on the surface of the other Netalla has a dark, paatanfürulf-c ο appearance and is laaaeiaan about 10 seconds on the surface ₉ before the overchufl etAfemt · However, let the count the near daa Aufechaelaen Plate on which is left «unimportant ·

Hit Ueα Fluüelttel der ErHnOUn ₁ will be good Dr ₁ cbnieee ersialt «aucii if his Z« par »eneeteua £ any rarilert. Daa weight ·· »▼ gets nia τοη atannocnlorid (waeeafrei) au zinc flour“ rid eoll not smaller ueinaie about 1 au 2 · The upper Orense dleeee Yerhaltniaaea iet 5 «u 1 _t and the beaten Ernebnieee adt a Vrtiälnle τοid in stannoehlorid au Range from about 1t1 to 9ti obtained. Also on the pluflnlttel if there were about 12t

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^; ■■■ '■■'. '■' BAD OHiGiNAL

U83A16

old fluxes have been obtained "which contain about 12-15 / stannous chloride · With a high content of stannous chloride up to about $ 20 with a new ratio of stannous oxide mxx zinc carbonate ▼ s were less than about 1 for some metals and alloys" such as copper, Mouoing, Everdur and nickel good and BdLt others «like stainless steel type 306 (type 308 etalnleeo eteil),

quality

ία Big bio achieves good results · A citeree increase the retention at Stannochlorld from about 20 $ to eu about 45 ^ · with a presence of stannous chloride and zinc chloride of less than 3i1 results in a particularly good flow medium from the connection belt of Superior strength and a fluency coating "the few during the connection"; chute requires to be obtained. In the practical implementation of the invention, therefore, good results are obtained with fluxes with the following Hengenverhaltnieaen

Parts by weight Stannous chloride ^ A bie 2 1/2 Zinc chloride 1/2 to 1 1/2 Lead - fine rei shares 1 1/2 bie 5

The preparation of the fluids does not require any additional process

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Lead grüntaiteianader mixed in a suitable Gcriit or containers · All Beotundtelle the flux should jauo Teilohen made smaller greetings and <Jas Utannochlorid and zinc chloride 1logon vorssufiöveise in krlstalliner shape door · The;? J | anno chloride can in hydintioierter orm _t beiapielsweise al · SNOL ₂ .2H ₂ O, are used. The IiIei ooll introduced into the flux in finely divided form or fora torliogen and is precautionary in the pore of a iulvore old of a grain size according to QIB 1600 to 14400 Haechen per on (100 bio 300 American etandord CMSh), voi snißewcioe ot \; a 0000 Haschen Jo ca (20 neah) vervcndot, Hach Thoroughly Veriiochen dor Bontandteile dos Flttfialttele can be lu ^ esetst and further thoroughly enjoyed "until a car of the same and desired texture is formed The water that is brought into the hat is generally about 10 to 50 weight * -) * and voricucowoioe about 25 to 30 weight - i dor Gesa atMMMM

The connection from the Aluainiua with the new other metal to doa The invention can be based on the connection of a AluolniuMffiatte old a plate made of another metal with the formation of a T * 3tUskee, that is, a closed oA right-oooked T-Onordasng «in which the plate from Aoa other Metal aas horiaomtalo lall picture · «· veraeaOBAulioht

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BAD OhIGtNAL

-lüden. The compound had the si'lftche from the other metal "IE DAAF Jj ¹ Iu) I average is aufgebraoht, vird zunUeiiSt of Oxydei. and other;" ürer dimteilul freed · Üae takes place preferably, In which this other ■ metal is first polished to make the upper part smoother and then with a suitable oil, such as dilute colzic acid, gr ^; lndll <; is cleaned h · Then Jaa FIU ^ is medium in ior: a wuurigen la = - 'te in a thickness of preferably about ₍₁ <5 to> 15 on iber a tlao.e that voraugsweiee about? three times as wide as the aluminum plate is dioic, on trustworthy: Then the surface of the other ctnlle on the side facing the fluid is heated with an oxyacetyltiflwriQ until the fluid soiunelt. i <ooh while the fluid is in the melted ior rc is present, wix ^ d the excess is removed from the surface by rubbing it vigorously with a lent roll-up cloth, bia a smooth, shiny metallic layer or coating formed lot i) ie Uiofce or üühe dee eo over the Λ In β of the other metal preserved metal stereo layer or -but it is presumably in the Uereioh ro η about β «025 to, 125 now» Because the necessary aluminum part with the metal coating on the upper surface of the other metal is in Kooteict brought and aonuell or old help e suitable; means, like clans, kept in the desired atellmng «The part of the Aliminlur. * taekee _v which are connected with the other metal ioll _f aej also free

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▼ on Oxyd «βίο · Zn this <toeok, the ends and d · lnlumstfloke * are polished with a * Tahtbttrst * n-» wheel until the aluminum surface is bare Aluminiumottlok it can to facilitate etva reohteoklg ■ or may wUhrend dee uchleifene or iollerene eewUneoh · case scenario, rounded or beveled · Preferably vd around the inde of Alunlnlumstfiok.ee ο something abgeeohrügt! he abßerundet "the penetration and introducing τon Aluminiuffloohoelse In the joint , in particular when plates made of heavy metal are connected to the aluminum. Then the aluminum part is attached to dleoes in the angular position to the other metal, by applying a small amount of aluminum to the other metal at individual λ. '. V * khxend of Anhoftene vlrd the ί lfiche the Alunitiiumplatte which is to attached "ground ₉ eusa ^ men with the Alualnlumatab and the ilußmittellJbere .g duroh a directed to <Ue Aluminiumplatto arc of a Volirtiraelektrode erfaitEt · the low ^ close to ßesehaolsenea Aluminlua _t what is necessary to achieve the attachment is then deposited by the aluminum in contact with the molten material of the hat and the flux, and the donkey metals are allowed to cool to complete the union, resulting in the union oohmolized metals by a protective layer of argon «

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In the usual way, it is supplied from a ceramic container located near the end of the olive electrode. It is of particular importance that the VoIfran electrode and the vfijme supplied by it are carefully controlled during the connection so that burns, burns, dringer, or any other dissolution of the ugly fluff are avoided. The electric arc is therefore directed to strike mainly on the aluminum plate and, to a lesser extent, on ien ilu; "iitteltibersue, that is, on the latter only as much as is necessary to keep it in eschaoleenem üuotand . Generally speaking, the Bo-Cen on the coating is only worn for about 2 bia Vi of the üoaa taeit, the plate and coating are worn out:., ai ^ ewar-dt. However, longer times, up to about 5, are also permitted if the screen generated in the connection point is properly controlled. The control of the heat in one is carried out for a specific application. In the case of cat.n hau pt ate oh borrowed by the choice of a suitable electrical size and power supply, which in turn are prescribed by the üioke ββ ojidez-er, Metalles · The number The electrical size and the atzoa supply can easily be ascertained by the iaohmann, who is well versed in the technology of electronics, on the basis of the preferred electrode size and 3troaa clock for the ventilated thickness of the other et al. 8 as a precaution , the electrical αοββα begin gesen a geelgnete üturterrliitte, belapielewciae a copper plate, dl ·

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ouch on the polished flat · the other etal attached let _(au judge · Then the üo;.. en leads Found on AluolrduBplatte on dleae * -iae the ^ öglioikeit, Dao is the Βοββη by proposing the lluiiaittelUbwrsug or you rohdringt _f he call first encountered »avoided.

The parts that are only attached to one another can then be completely connected to one another by adding rounding material to both sides of the T-Sttiokea with the use of aluminum tubes and the rounding material supplied by the Liohtbogen ▼ on the volumetric electrode the rounding-off of the amuterine aluminum rod and the connection afläo ho the aluminum plate will heat up and fly over the river and across the river. Again, the division of the blessing · »is from the Ueersug, Wehrend it is directed to dl · ▲ luainluaplatte and guided transversely fiber the ·· vorsugeweiee, 3 on or until ü _# 5 Xat about gleioh the selected distance in adhering. The CrOBe of the * olfra * electrode, power supply and struamngageeotwindi are disgusting from inert eic Ca · »iff» general «legs argon« 4a · sue Absohlyon of the exhausted Metallee is used, are also sweetaaMSlg · gleioh attached) sngewndet)

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Jiei oilier other AuXUhrun, exorm des Verx'ai'.rena of the invention kar.n.luminium with another -tall for example to a T-Jt "ok connected * to earth, inden m iii 2πη ' ^: ο: st a small" close Aluminum "breaks down" on the excess fluoride, to which the aluminum plate and "." Metal of about 1.25 '' and larger »require the normal increase in required fin and over self-sufficient an even more careful control of the process in order to prevent burning or other aciildi (it . sun ^? chat a t; ei ii \ e '.'ef.ge Aluiainiunpaas on the: luQaittel ^ bercu., is roused, v.erdei: but the tifordexungen to the control of the things less, and ee is there.er bovorau ^ t, the Z f {] Ssun _tl of AluBiniuiBteilen with thicker flatten of another metal in this Weis "make · Bas other metal is duroh removing Qxjatn iremdmaterial cleaned and bie, oe a βlansende Jberfläoh · having" and ier smooth, gleaming rlußaittel über ^ uj ivis applied to the polished surfaces in Ullichen Vciae · Dam -the orwfihnt «curdle Heng9 /J.ujotiniuB von Eineji au» Verbrauoh determined Aluainluiietab on the JPluiiaittelUbersugu under atab and berau an argon * eiiut »eo it is not heated by an arc from a ftolfraiaelectrodo. ^ an 110t 4a · geechaoliene Aluainiua over i «m ßeeehaolmeoen iibtmg

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run, while in turn the whole arc of the valley and the we generated by it are controlled in such a way as to avoid any loss of airflow. According to the trend of this process, it is desirable that the arc mostly hit the extrusion rod and only so lar.ge on the soot beetirntes procedure i. Sucked-out Vliraeaeiige is in turn by the size of the electrode and supply of electricity in connection with the lever of the latte made of the other metal "Miniature parts with parts made of other metals with a thickness of 1.25 cm and above this when using this method of the invention can be determined from the details given in Table 1" The amount of flux deposits te Menno of aluminum can be small and vuriiert io ALLF _y or.ielnen it with the Dloke the ilatten aue aluminum and the other metal · HaupteHchlioh the thickness dioeee Aluminiumaultrage a function dEA) icke the plate aud 4em other Iietall · for example iut ilatten from The other lethal 1 with a thickness of about 1.25 an aluminum application with a thickness of about _t -> 8 to .15 on eriorderlioh. -Mr Ilatten from dom other. <etall rrit a thickness of about 2.5 cm we d preferably an order of about

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ü, 3 bio j, 65 em wick nufgebraoiit. lie nuodeiinujiß do · AIur.inlunuultrtvieo lrln ^ t mainly depends on the thickness of the ureufusende Alu-niniiunplatte. Vorau ^ o'-oiec it Ücee j reit ο kleineotono about dop olt oo croi3 rie die ίicke eggs Alurainiumplatte uixi zv / eokailsame about three times oo r.ro ^; - v; io dieeo _t thus the desired enf.e αΐΐ roundness anatoriul uul k'inii attached to both conductors uer aluminum laths. Before / uii ^ ung of Abruiii.uii.-acuteriolo both above itex 'of the aluminum plate can dlooe offlnachtonfalls to the., Luminiumauftraß aiigehaltet who "the. v. leading of the ÄniU ^ unn <? os rounding-off rematoriulo τίνα the x ^ occii the oliuii..elect ,, (: e zwGCkn'iQig uo, roriohiet that the aluminum plate and the AlumirduiBauftrur, in the Vorbind uii giircho to the auaa reii verb rough oh beetinonten Aluminiumetab ceuciüiiolzen verden and dae ßeecnmolzQne aluminum from the vereciucdeceri ources zueoiKmenfließt to form the compound as in üblichon Vurso, .weiten of Aluriiniuin with Aluminitun · in this ^{uiohf! t} hrun, could ^ eiorm dce traversed the invention]. z \ The tröiio er olirani electrode, the. "> trom— zuulir and the Struruii / ossesohr, indisslceit dos ale ochutesna used argons, which are as in the application of the Aluainiurmuftra ^ e ·

V i ti, ;; for the / suffering of dee ^ bbrenneno or another üchHdi ^ un /; dee i'lufltaittelüberaußoü iat the uteuerun ^ of the .o _t .; eii <ier olfruiele rtrcide in the connections.Uobe

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• r bumps firm ·· At the hi or beooliriebener .uotfihrun £ 8iorm becomes the necessary «tinae chiefly through the Vaiii der £ leirtrcd «nt? Ru0e and dor power supply conditional, the nauptsUohlioh dux oh the dioke of the other ^ etalleo vorgesc * rubbed * will. The preferred are litababraeseungen and electricity supplies are those who exiordern the little etmügllohe Jteuorun.j to avoid oinor Jonttdigung the luümittelUborzu ^ Oö ätabgröOen and ätrooaufuhroii, * io them at the Jurchf'ikruog of the method «of the invention are preferred, are given in table χ for some thicknesses of the other - otolle ·

I a b e 11 e

Durometer of the
WoIfranelectrode
to do Dioke dee
other metal
mn - 6.5 2.5 3 - 9 3 6.5 - 12.5 3 9 - 20th 3 12.5 - 40 3 2CM

Power supply in amperes for an aure-V-eld AC-Gohwei Ugexilt , k ^ de 11 GA 300

110-120

120-150 150-IbO 1 ^ -250 250-300

The ancestor of the invention can sum up stumpoohv.eiuen, geeohlOiieenen I-, geeohlo eenen double-V-, EinlaohUbcrlappunge- » geeohlo-senem £ .inzol-V-atumpi> Double cone stumpi- and geeohloueenea fiiniaoh-V-etunpf-iChwciOen an emuuJt willow plates and other nbliohe ^ oinitcile, einaohlie> Uloh tubes, con-

BAD OF.iQiNAL 909882/0567

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Non-Buennciengefti ^ t.Belsplelu- eioe can be an aluminum roll with a .ohr or oir.uir. Üariit aua one of those metal duroll st umpi> er binding in ^: hnlioUer ■ · ug .ic for »l.'itten bo-Qoariebo, or duroh HHlee and r rn ^ en, we.> N a beaon oro l'eate Association, the high: ruoH stondzuh lter able, ejw wttnoeht lot, Yerbumlon ν earth ·. 'ni one of the caterpillars described in the fol eiiden DuxohfUlxruii ^ eforn dee Veriai.ror.D der ^ rlindiinii vx ιά at a ..ohreonaitverbindur ;,' an a Alumir.iu pipe it with a watch also another metal oier in a hole a · G.'xUtee aua one, aileron ..otall oiiie high rcatl ^ Koit achieved. B «i dicoor üurcJaffUirun ^ ei 'una best .-. T die iMlae vorzui'.uweiüe from the: other: <tall and Lt a eolci e :. l / .nendurohmeaeoi that oe duo aluminum tube in, aitcr Jiti. uui'zunch-; on veroag. Lie üülee from deci others ..tall ixu Zunlohot to 8ur iUiltte ihxcr Ln. β fiber dao .ohr auo de ^r a2idcxt> n. metal or, if necessary, to the opening in the> nd de · door bag and the «other metal esohobe»; diioc parts from thea imderen h tall with ..ilte one ütabuo bus dom other i'etall according to the usual llcthodei rJLt each other veracm-eiut. The inner unc) the> -.- you? ', C * e deo other Ioilvo der i Ibo aua de.T. other metal are cleaned .t _v to Jx ^ de and. romdcater.al su remove, Torz ^ sveleo in »; em man ei? Toerat polished and then tilt üals »-iure v ^ iecut. vann r.irci daa fluflmittel in the> ora of a load u on the inside and infliiohe de · polished 1 lleo der i "lae au · dec: other / lotall aui; oetrio en and

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909882/0587

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lilt oxner »,, azct.yloiiilaniic,: ie vorBurov; fUG · on a never nt bodec to ο ite dor <Ine au ο the other ^ t all / -ejicatet is, <eachnolisen · bsM ui.lßeoohicolBone duümittel vird then rJLt a «T.olltuch rubbed off to '.'berochflaoi ce rlußmittelel to oi tieraen and e.nen smooth;: l';ii:; endon ^; tall'ibereuß zu Bild oj. · Youiii. iiu an ei in β close to Auitragamnterial around Uta doi «Uußoron iöidteil and back to the Irw nfl / I of the iiitlue uuo de-Ti other .latexiul run elanoen, including an au:,; Trust be tin ^r ter Aluminiumetab. * He is in ο inc ti \ ollram- νοι 'οη heated vill, venvoi.det · Itihie. d nieeer ultr; igung von Aluiair-ium uind both daa luninium al ο .v.uc dor ^ IuC? - medium excess _; .. eeo jnoleeri and the Alumir.iuiu vird under a lichutzh "lie auo inert forward to όοη piu ^ mitt l'lberzug uufcebrtioht lier Uilirntnlichtbocer vird eorgfUlti / - eo controlled to ntciut aui 'the lumi i net into t ontakt ralt ο he is in the supplementary provided üü.Ioo eteht, and is usually held in an abataiid of o _t 3 to j, 5 C ^ vor, dor rlufioittelüberzw, to prevent this ubgebratuit vdiA. ι ie r "from being suitable utronzufulir and. lehtroden ^ rüiie «earth in the ^ una renhai ^ with the moke of the uUlae uua the other ctall (-ow.'ihlt, and dieue \ erto oind loic the one specified in labeHo i ifir had uua another tall of the same thickness, ^ "i allgerr ^ inen bedeo: t dor Aluciiniuraauitraß only an IV-il dee exposed or euf ¹ nc licIien T ilea de · S luBmit telflboi zußoa and forms

909882/0567

U83A16

beiepielflfwei.ee a band old with a width of .65 ble 2 s for one ear. Since · anaufUgende luminlumrohr * then ill be in the in the above beaehrlebenen oiee with iluomlttelilbermg and - introduced vereehene & * ts Alumlniumauftrae HUlee. Tor »sugBwaiae am dae uohr an daa ijade 4 ·· hohrea aua the other lethally 1 anetöBt odtr up to about half · the h ^ lee. deep before the AluBlnlBTOhr lnttie hlee is introduced «« to be «in and outside afltiohe by foil cleaned, in the ox ^ de su remove · Then the ZuearaRenfUgung through up to the rounding feterial τοη an ita consumer roll-up beetieurten nobel sub Sohaeleen de · AluainluBAUftrage and the OberllHobe de · Aludnlanrohre · at the connection se parts e as well as the ^ luminlua. '. tab, from which geeohmolacnee AXualnlua is added to the connection uncut hurry, the arc normal tungsten electrode is used. The rounding anaterlale can, for example, increase the smoothness of the metal in addition to the incene side of the wall and the outer side of the aluminum tube and thus increase the efficiency of the connection.

I) Other "metals that are connected to aluminum" earth can, can in the form of an alloy, balaplelewel · · ätahl, iirerdur, roatfrelea or chrom tahl, tleaeing or MeneIm · tall are present. Also with the other Uetmll • The unifying aluminum can be an alloy, VeIepieleweie «

BATH 909882/0567

K83416

• A sllleium / aluminum regulation with a quantity Silicium, beiepieleweiue about 12; * ^ silicon, or cino ^ agmeiuav'Aliimiiiium alloy with a low iueng ·, for example About 1-2 years, his “For reasons not known with certainty, the method of the invention is obviously not suitable with the connection of aluminum with example titanium »silicon» olfran. Vanadium, zirconium, eifnium and cadmium

The following examples are intended to allow the inventors to

Case 1

In the example, an aluminum plate τοη -,) ζ 10 χ 20 oca with a steel plate clay, 6 ζ 10 χ 20 or au a T-ot ^; ick, in which the steel plate formed the horiaontal part, re cleans · The steel plate is opened, in.'em a sunäohet was polished with an io / iloifeo hot, to expose a smooth steel surface, which ei oh with a middle width τοη about 5 along the middle part of the plate. It was then treated with diluted acidic acid in order to remove all ozone and foreign substances I taste, which contains about 64 »0 g of stannous chloride di-

909882/0567

U83416

hydrate (UnOl ₂ * 2Ji ₂ O) approx. 39.3 c, Zinkohlurld and et · a β8,5 β Jf ei η distributed ιΛοί with idol t, coated · ii'.soe ilulitmittelel had been produced "inde." the. entmlteil · in a verecnlOusei.en uloogsfUü voii about 25 ·· 'ccn. content about two uinuter geoohUttelt vaiide. ·., urj ei ο? ut niteinarider zu Yormischeiu L'ann ·. urden alia hl I under l ^ ic.tor. Jirueii otv / a 6 $ c> water ":" adds, oo that the .iuaae got a paste-like rml ^ e Beeoiiiiffenhcit. Dub G eiuitf, v, io: t doe on the steel plate and! Painted -Iu with te la betru,;. ot »a 5 e un die eittlexe picke des berzu /. '. ee etsa» 15 <u>. In front of the on-btrelolia of the -luOmittele, the plastic plate was left over from the polished surface; inu-.on lung rait tele of a Ujijaootyleriflojinu? aul a temperature of about 2>'J to 315 ⁰ ^ J heated!' ach .iuitru-et. a 5 minutes continued »bio ι au ^ os-.r.te * lu with t , el melted var. üas gescbJ & olzene i'luflmittel »dao a dark pastenfoimigos would have looked» v was then about 2 or 3 mixed media kmftif; grated "which h at * eoh" .8siGee rlutiiittel was removed and SiOH formed on the OberflUohe of steel plate a glün & onder -otallÜberzug fa-tto. This gliinaende yiußmittelUbercug bedeo / te the entire central, 2 j about long part of the central part of the polished iitahlÄ ' surface and varar on the average about 2.5 em wide and about 10 n ^ thick then the steel plate was sanded and a copper

BATH C '"" ■ "'.? L 909882/0567

U83416

The sole plate became wider at theirs; üende attached. By

old a tiolfrom bow lien a β << t3 cm-Aluialniuoietabee / which on all AuX-

sehlaßsplatte auftreffe "left and derm this Matt τοη ο IaBgSAK in L .ngsriohtung About the middle part of the steel plate was geiOhrt" has been applied to some aluminum serving i lußmlttelUbersug. ! To time "r these Auftraeun was about 2 minutes. '■■ the leader; he m.rde plot of Alucinluos the electric arc carefully directed so that he as' t ^ obi aui over the FlulkaittelUberEUg the Alunlnlua-latte on Traft ^ ° that The lufiBittelübersug was not duroheoiilaGen or «« (burned before »But sufficient quantities were delivered« to make him so soliaelsen · The liohweißgebiet elneohllefillah dee eohaeleenden Aluainlumabos un ^ the το the το outside a ceramic container (eta / dard Ho. 6 oeraoio cup) at the bottom of the tungsten rod, isolated from the atrophy of the argon. üchwelfigertit Ko, UA 300 delivered with ctua 110-120 Attpere · The Aluoiniunauftrug was uulgebraoht over almost the entire 2.5 en width of the Flufimlttolübersugee and had a bitter height of about 0.15 om. üle ansufilgen4 · Alamlnli »; The latte was prepared "while it was being padded old with a wire brush wheel"

BAD ürti3iNAL

90988 2/05 67

* luminiur.ux., d and other impurities τοη the V reini-CuiV'BlänjBKante su remove · The ilfiohcn next to the union ekante were sanded over a square of about 2.5 on above the veining edge cleanly and swar ileeart that these - rather, from about. 6S on from the edge to the edge "which then have a thickness ν η about 15 cm." Dio V <"Cleaner with £ 8kante the aluminum Platt · was darn teat the ivluminiuonuftraß found and manually in a position eerkrecht to πer ta) lpl tte held" Using the el calibrate> ollranetabeo which ßlelohen Stromaufuhr and £ leiciio) i vitromunüsgeechwindigkeit τοη At the end of the day, a small pexa ^ e on luminius a ^ eecruaol and on three different parts IUn β of the '4' hrun *; line of the aluminum plate and the aluminum oXtruge was deposited around this susacuneneuhuften. \ ahrcnd des Atiheft ^ ns vui-de <the electric arc about 0.5 cm above the joining edge on the aluminum plate The same otrüsnuigsgeeohwindig elt of argon from a consumption of 0.3 om-aluminum-milled rod aluminum was added as a rounding gas suiterial. The rounding material was both The connection is guided over its full length, while the electrical arc τοη the starter plate on the aluminum plate

909882/0567

BAD GSiGHNAL

U83A16 - 25 -

and then about 0.3 on over the narrowing edge on the Alumlnlura plate was passed along to ββοοίιηοΐββηοβ aluminum from the Aluminlumplutte and the Aluminlumatab with the Geeohmolsenein Aluminum dee Alumlniunmstraßo outdoor furniture Louse the EU. The total amount of waste material was et «· 3 em * ·

I) Ie refrigerated union parts were at your disposal checked · The edges of the lungs were feet so in a screw-hook held that the leg did not extend upwards and the DeokflHohe de · Statilquorteiles more or less in iftuoht with the Deokflüohen the Baoken de · vice lay · Sa · eich upwards oretreokende aluminum part was then, Without breaking it Hammered down over a full 90 ° until the Aluminum plate was parallel to the steel plate. Then the aluminum plate you raw Karinern was reversed by about 100 ° Kiohtung bent · Than the aluminum plate more o <ier was aligned less parallel to the steel plate, the structure broke, the failure of the fracture point failed that the bruoh in the aluminum plate about 5 cm above the Deodorant de · nluminum · and outside de · Voreini » gune areas · had taken place and that the listing agency was registered the aluminum and the other metal remained unaffected was

In this example, an aluminum plate τοη 0.3 x 5 x

909882/0567 ^ _QiiimKL

U83A16

12.5 cm with a .upi er, .latte in front. , 3 χ i> χ 12.5 on: su elnon T-. t ck united, v. with dla Aupieri lutte Uae horizontal upper limb bil.ete. The> ji | .ierplutte was prepared, itidea sie euxi ·, oil ι ot nit oir »om ochoibji.druhtrnd (dioo wire v.unel) was polished _t uri oitie, 1'.jiz; nde .'uj loülkche iioizulofjoi _t die ei oh in uin oriohtung uer over> 1βΛ jittol part of the plate eretreoite and in the middle otnu _t * j en brett τ / ar. i> looo rlttohe \ urde then rit rerd ^ nnter alüs ^: luro y, o \> aao. <su _t danlt da · geea te üXjd and r read mate rial with ^ ic; ciheit rriti'err.t «ar · -er. The title part of the reiri, tei «^ liinztideri xUpieiOberflüohe, then in L n ^ -eriohtuiv i-iit a ¹ , strip of etna 2» ι width to aim for the fluids used in ieiofiel 1 · Da · Geaat tüewicrit des aui dio i.uijfer plate coated with Iu tele was CTVA D ß un <i the nittlcrc Lloke de · '^ ea Berzu about 15 db · before was aufgebraobt dao luiJnittel was the Kupferjlatte in £ of the pollexton / luokte ^ e, ; enllbcrlieger.den .eite about 2 minutes with a LANR UEX ^ ^ aset leiillamne heated to a T. nperatur of about 200 bia 319 ⁰ C. After the application of the lubricant, it was heated for about 5 minutes after the ethylene flame was used, until the entire aluminum salt was allowed to cool. Daa ^ eco ^ unolsene i "luD-aittcl, daa had a dark paeten-shaped aueoehen, v. Was then rubbed vigorously for 2 to 3 minutes, until it was completely fluffy.

909882/0567

BATH

U83A16

or a ßlhneendei etall-beixUf, auX the surface the copper plate had formed-he shiny i ' mean regret *; covered the entire 12.5 or. the Lnrr e dee

ttelteiluo the polished Mipi-eroberflMci e ui: d had a width tone β tv in the middle. β? or and a thickness νου approximately, I :; rtr .. The Ioipierplatte was geeohliifer · and an Aufaolila a plate v; was attached to the wide land tr /.upierrlatte · > iim was let an electric bow τοη τοη >, 2b v.oliranachr.eiüatab on the. Flat-surface nuitreffön. Durc'r Ai, eo> uaelaen a Eun Verbiaoh beetinnten 0,3 cin -.- luniniun. tabee in deru elefctrlechen xk> gen ₍ which was lan-sun in L n ^ ericutun- over the central part of the copper latte HQi ¹ Mn The time for this starting-80: eidunn was about 2. Inutei. Before the separation, the aluroiniur. Orders ruide "ier elektrieohe üo _; " -en eorgfiltif. So i he deserves that he is outside the G 'Provided the flux was added (about u,; i or. from this point) on the docking plate met, if this flux was not allowed to go through or burned off and was heated sufficiently, among other things. u aohmelsen « Hub ^ oscunte, hub the sohraeleenden aluminum rod and the goblet from this on the, ßeec molzen jb'luOciitteltlbersug from ^ esehiodenen geeoünolzenon aluminum was made during animal, \ uj.tr * eun £ the Alnainium by a ücliutzsohioht, that of a ceramic container (standard No. 6 oeramio cup) ari and β des \ olf rama tabes -

909882/0567

BATH

H83416

- 26 -

delivered v..ii ^ e _t ßo / joi; di.e Atr-oapü re ab ^ eoeiilrftt. Jtrucun.eeeeohindlt ^ elt dee A gon was 425 of the hour. lier "tron t urd # του einon ureivcld AJ-ücuweiöger '= t! odell l <r. Uh J -,' ü it about 11-120 h: r> p & ro sugeieit. The aluminum ·» order was made for etv. a die foo / rt «. 2 οϊγ Jr ei te dee lußmi, teli'berzussoo oils di'ee"? united and had a mean iio'lie ron ae ^. Iu8r.ittol'lberatu; von etva O ₉ '., or .. The nxisufUfcea · de luninluinrlatte was prepared, Indian egg with eiLeta LiiüitbUrete; ra <1 ^ oociiliiior · unie, un Aluainlumox ^ d and other Verunrexni ^ un. en τοη <ier Vereii ^ i ^ iu ^ elüii okm.te su Entjfiern. Auoi. the parts of the surface on the r.obeii Voreinißun ^ alUuite were to about 2, [> on on the association ekel pure, eschliilen and zr, & r such that dieoe .1Heher of 0.5 cm from the ante cu i-anto, .! he then had a ^ ick of et "a, 1!)" whether ^ eeciir et wind. The union wharf. ie the luiainlunplutte vur <ie gutm uul den Alunj.r.iumattf - /; βϋteilt uii; in f.in r ötelluii et ;; does you crawl

^ e. ^ lten. Now you do one _; ; eiin ^; e iefige luninium of eixicia zuic consumption bet in. ten, 3 on-xluffliilumetab ait iiilie of the same Voliraiaole) trode, t.er same otroraut r, Q and the same -νΓ ^ οι; jtrtinun ^ ece nohwindi ^ keit abociuaoleen and an il.ei separate otellon length of iierShrunßelii.iü Aar Alui.iiniurai Ij tte with dei luni'iuciauitraß abfeeciiiede. , un die tilu ui an ndex. iJKUi-end dee Anhclterio u: de ίο: οίο rioohe. ¹ o / 'egg; etva), 3 cc above the ter

909882/0567

BATH

U83A16

skunt · directed towards the luainlutnplntte. Then iurde ilus I-tiiok du roll iilneufi ^ un: from niuciniu "τοη ein stum '" rbrauoh embroidered 0 * 3 an-Aluniiiiunuitab ils Ahrundiuitematerial * iederuii with reference to the gloichen. ol ranatubes, the same utsoasuXuhr ui.d the ^ lexchen .X ^ onntAunuiinogeuohr.xndniskeit fertifißaetel It. i> aa Abruiidui ^ er.nteriul was π bor the full L i \ e on both J <. the pre-opening point run out, ττίϋκο. d the electrical .ogen τοη of the Staiterplatte ■ on the Aluninluaplatte uüd darm etna 0.3 on the union sot el Ie cei'Jhxt τ. ide, un ^ ceo xiolsenes aluminlua from the AlminluBplatte and dec ütab with the goBOiJBlsenen Aluminlua de · order auearjsien flow er · goaciunolsenes aluminum was also bound to the "previously uncovered parts of the flux ¹ regrettably to the parts of the Alu-Biniwmsuftrafs · the The addition of rounding arjiterisl was carefully designed in such a way that the formation of a foraitut / on4 of deepenings was resolved. The amount of abceaehiedeneei rounding material was about 3 * ■ ·

Ba * f-üttlek was naea coals on the iestigkslt of the connection Checked · Long · edges of the Xapf er plates were checked held firmly in a Sohraubetoek, so dad the leg of the T-StQekes ns * ft protruded above and the desk surface covered with copper Qmertelles more or less in flucsrt with the Deekflttehen

BATH 909882/0567

U83A16 - yo -

the iiaoken dee oonraubstooks let. l> ao na oh above eich oiatreokei.de Aluainluateil was then oluie bu break f ^; Reminiscent of about full nuoli below, the Aluolnlumplatto lie parallel to the Coupling Plntto. Duj :: i ·. u * de dio AIu-Diniumplatte by h'imrrorn um 1BC) ⁰ in dot entge /; ei ß .dohtunc back ^ eoo ^ ei I ₉ to al ο \ ioderua r.ohr or v / en ^ .expar ullel to the Kuiuerplatte Tcrllei '· line xr'.un, the model lioQ koine / Uisclohon of a lic! v. ^: oIiujjc uikounen.

Beieolel ^

In this ueiailel v. An aluminum plutte of € 5 χ 1) ζ | 5 era with a steel plate of J _V 65 ζ 1) ζ 1 $ cn became one. T-äti'ok τβΐ unites _t in which the Jtaalplutt-j formed the horizontal part. i> ie ... lohlplatto was done, indea • ie »un / iohet polished with an overhead wire wheel v.urd ·, un ice · shining otaiil surface ireizul that eioh in L n>, eriontunj across to the middle part of the! latte β ret rook te uod had a mean ride tob about 2.5 om. This ^J-1 IaOhe was then gewasche with dilute hydrochloric acid. ", Un all Oxjde and foreign material to remove · The mid section of the cleaned bare utaiilflüO'.e was then ariohtung in LHn ^ with about 2 em wide strip of a coating sue the in Example 1 used Fluiimi t tel bee trio, en. Dme Uesanteewloht of the PIu applied to the steel plate was medium

BATH 0Γ, :: '^ ¹ A 909882/0567

U83416

υ, 15 con * Before ..uitrafe doe -Iu Kittels, the hat was au- üei der! »oliorten ilUo..e ßo, et f borliepeiidec Jeite ett.a < ³ ii.uter. ι-Λχ, einor ^ xyasetyloMlivr.ο uui a ϊ r.pera-

tur before, etvift too-315 ^e C heated,! «eh application rteo ilufialttela vurde still far ei e 5 inu'en old of the veriiti:!, bio du« pe aa \ te ^ lijUmittol (veohmol ^ on ν ar. Jae on * /; οοο ^ι αΊθ1 »βι <β Iu5nittol, which is a dunkleo tei _; i /> ε AunecUon iiutto, vui üe doiin ο tv a 2 to 3. inuten kriifti / '. r.ericbcü, v. after ilbo.eo . ^<: αβ1 <08 luiimittel nt was learning and rioti UUF the / beriliiCio of; tohlplatte a flfiiiscude tallabscüeidunß had r.ebildet · i "he elfin ^ ECDE · luiinitteiuborssuc bedeci.te the vollpu 15 on the L rye whether itte divider ^=! the poliertei tj'watjlflüohe and was in the middle ctra 2on wide and et ¹ α ο, 1.J tu * thick «lic ansuf; c <io AluniniuLipltittc v-urae vorboieitct, by oie with cuien ^ rtUitbireteiirad geocnlilien« u ^ de, around ltutii.i -r.oxyd m ά other pre-unrelniniuigen from the union guiirol · !; ti km: to lu ο nt distant. Outside ic boülächentcile next to the union "edge were about 2.5 cn over the VereiiiiiiinuBkiirite clean cuchlüien and zvtxr such " that dieoe tliot.c: from un, ciilir, 65 cn from the Mante zu eier uuxite nbeeoerfif / t were, <iie darn, a Jicko from etv; a, 15 e beeafi. i'lc Voreir-l ^ un, nkat to <ico luraliiunteilo -uide therein uxii de:. ■ luürnittolf'Vorauf .ieoetit υη · »ciuriuol] eonkreoht au der .'taiJLplotte Meliniten, uio tuhlplnt'o» "i.rde e -chliifen and oiho iu; ^ ciauleonlfi; o- or -stortcrpluttc

909882/0567 BAD OfiiG-JMAL

U83416

ai. do broiton; -. η (ϊο dor> ta 1 plate beleiti ^ t. Duuii vu a Io trices t er ¹ O /? on of β ι non 0,3ογώ- oliranoch.einotab oui die iupieirl! -tte a; itr <li'eiircluecor; and out the Aliunlniurr.platte, uin: from a zuie consumption bo3tiiar.ton 0.65 cn-Alurainiumotttb r / 'ido oine /' cringe i enß · Aluminiun abßeijci> raol: äon uiMar . three _{( >} etrcnnton .itollor. ltince der ^ orfih · Hau ·: .Iij.it- der .luinini mplattc with «lern / lußnlttelf'berz ^ ο l; f, cc oh iod en ·> ülirond <; lcoco Anhcite.e vtirde er ele trisohe ■ o, en öornfiJltir et \ α 0,; ί o ^{r .:} il; or der Viireiiiinur «i; ek; a; tfl nuf the aluminum lumbar plate orinhtet, ου that the i lu'imittcKibcrzUß not di ohuohlu en ociex we ^ obrar.nt mixde u / i! but üue-

"" linac / olieiort ■ urdc, around the luunittelHue ^ ZUc, Jen i ^ tub and ie ^ liuniidiunplutte at the nhoftstclle au oohnclzen and zuoafu: enilic on su laoocr · Duo V i ^% oiui (junß · - (•; tjtiot eiimoiilie · liuh dca bcxiclsenden Aluiuiiiiunatebeo, the Aluriiniu'iplutte and «tea liorzm ^ ea at the Anheftetello, 'ui4e vilihiv.fi doe started ton β by an ohuchteoMoht au · argon, made by uinem uoranikbeh lter (standard ho ) do Λ ceramics / tde of the olframotabeo, ^ enen the Atnoepli> re · lie otrjrmnnsfcoch * lridir.k ^! it cheated the Argune

dm 'Jo hour · The »tzOmsufuhr su der ^l olfraneleltrod · ▼ on einec uuieweld -: - Liciiveinfierlit i.odell Qk 3; ϋ was 19 to 2 u Aznpär. i ao T-.it oK wux β then by adding tone Abruiidurv.eelur.ir.iun from a sun before use below 0.65 cm Alumliiiunetab using doe /; loichen t '

BATH 909882/0567

H83A16

The same otromBufuhr and> he same eohwlnditfJieit fertlgtseotel.lt · La "AbruiuJun ^ eamaterial was run over the aeeamte lungs on suffering pelton of the Verblndungoatolle _: elaasen, while the electrical lied from the ethernet plate to the aluminum about 0.3 on was passed over the Voreinißunßskante to uenflie.on ßeaohmolzones aluminum τοη the aluminum plate ο and the Jiluminiuaatab with the molten aluminum coating. Also the filling of waste material took place in the event that the plush cover was not removed or burned off. The Geaaist ;: it for the

Abeehelduag dee abrundutv etnatoriala was otwa '-' minutes and the total amount of rounded rounding material was about 3 our.

The cooled T-3t ^: 'ok, the strength of the connection was checked - uinga edges of the steel plate were held in a rough look "eo that the leg of the T-3tUokee Bioh came close to the top and the deodorant surface of the otalil cross-section more or less In Fluoht with the ieokhiichen der üaeken dee äohraubetookea lay · Db- η was then hammered upwards eretreokende aluminum parts without breaking over * roller blind 90 ° near below, the aluminum plate was bent in reverse direction through H minern etc. 1öü ° again more or less parallel to the steel plate ▼. An examination of 4 Verblndungaetelle UeO does not recognize an anaelohea of a Sohwienrnng ·

/ ran parallel to the steel plate. Sanikurde the AIu-

BiniuBplatte

3Q? T * Z Jtffil BATH

Claims (1)

to H 8 3 A 1 6 t ν ii t ft η ο : ■ rcie 1 · Move. cuu joining aluminum ..It unit .; others 1 te mad, now i on, I. i disgust, copper, chron, zinc or a solution of "four or more dicaer" ictolls, dadmch ce "knows that a pure, shiny surface also means that Hetallo is a fluid from 4 bia 2 1/2 üe \ / ichteilcn i.tani: oc; α or id, 1/2 bio 11/2 Gev / i cut »share ZinkciJLorid and 1 V bit: I) Geucktteile feinvcrtoiltou JILei nuf ^ coc '... olson, do the, ctd .olsenon Fluiiulttel a iiinnc ^ ltinzcnde ilctallabjcxieiduni ; aux the surface the other Ilctalleo is formed and dao Aluriiniun rJLt the Hctalla uc .cidiing using a ·· Boyene is united by a Uolfrxmeliv trode, whereby the eloctriucne Βοββη and the generated by it ο r: \ xnc βο are controlled that a burning off the metallic separation is avoided, and the metallic separation and the metallic separation are also avoided in an inert atmosphere. 2 · method according to claim 1 «characterized in that a fluid in the form of a white package 1 1/4 bie 2 1/4 parts by weight of stannous chloride, 3 ^ 4 to 1 1/4 parts by weight Zinc chloride and 1 1/2 to 3 1/2 equally divided lead powder uses vurd 3 · Procedure according to anepruoh 1 or 2 _V thereby identified. Day dae flux on one · surface of the other Ilrtalle, eil · wcni /;.: Clay · sweiiial uo large as uie cleaning surface elco Alu »π ml u— iut, applied will· 909882/0567 BAD OF?! '^ MAL JS U83416 4 · Vcrl 'uliiLii naci. one) dor Anei> ruchc 1 bio 3 »d> iurch cc i _f dan aucut an Aluoiniun mission on tier Ilctailab. Ci eicluK / i rib ^ clnccrt wild before dao Aluiainiua daoit !> · Veri; ren iiacli cine :; do;·. Anopruche 1 - 4 # d-uurch cokcnn-. • ΐoidmot, ih; b iro Aluuiiiiun under Ver \ / cnouii <, from weitcrea /J.u- iniiun alo AbriJiut.-n ^ a ^ nt.riol uit icr iiotnl incicuGiduiig veri; r.Con will. 6 · Veil '; roi: η .c, a "er Aiicpi uche 1-5" thereby r.ekennaciohiiotι d; ti3; oo KLußroittel boi 200 - 315 ° C tci ·:; c.ivcißt \ fird · 7. Vo: Luj: cn n: ch a dor Anoj ι ucJic 1-6, thereby ^ ekenn-Kcichnot that a metal oboe:.-E id ung uit a thickness of
0.025 bio 0.125 mo β bilc-et \ drd. 909882/0567 construction