US Pat. No. 9,160,006

CHEMICALLY TREATED CURRENT COLLECTOR FOIL MADE OF ALUMINIUM OR AN ALUMINIUM ALLOY

Hydro Aluminium Rolled Pr...

1. A current collector foil of a battery, of an accumulator, or of a lithium-ion accumulator, comprising an aluminium alloy
of the type EN AW 1050, EN AW 1200 or EN AW 1085 in the hard-rolled state H18 and comprising an acid-pickled or alkali-pickled
surface, wherein a surface roughness of the current collector foil RA is 0.01 ?m to 1 ?m, wherein the current collector foil has uniform surface properties, wherein the surface is pickled in such
a way that a removed thickness is less than 1 ?m, and wherein the current collector foil has a tensile strength in the hard-rolled
state H18 of more than 135 MPa wherein the current collector foil has a surface passivation on one or both sides.

US Pat. No. 9,796,157

ALUMINIUM COMPOSITE MATERIAL WITH ALMGSI CORE LAYER

Hydro Aluminium Rolled Pr...

1. Strip comprising an aluminium material for production of components with high forming requirements, wherein the strip comprises
a core layer of an AlMgSi alloy and at least one external aluminium alloy layer arranged on one or both sides and made of
a non-hardenable aluminium alloy, wherein the at least one external aluminium alloy layer has a lower tensile strength than
the core layer of an AlMgSi alloy in state T4, and wherein in state T4, the strip has a uniform elongation Ag of more than 23% transverse to the rolling direction and with a thickness of 1.5 mm to 1.6 mm, a bend angle of less than 40°
is achieved in a bending test transverse to the rolling direction and the at least one external aluminium alloy layer consists
of an aluminium alloy type AA8079.

US Pat. No. 9,835,376

STATION AND METHOD FOR TRANSFERRING A METAL MELT FROM A MELTING FURNACE TO A TRANSPORT CRUCIBLE, AND ARRANGEMENT HAVING SUCH A STATION

Hydro Aluminium Rolled Pr...

1. A station for transferring a metal melt from a melting furnace to a transport crucible, the station comprising:
a docking chamber having an interior volume and a docking opening, wherein the docking opening is configured to be sealably
connected to a filling opening of a transport crucible,

a suction device that is configured to suction a gas from the docking chamber or from a transport crucible docked to the docking
chamber, and

a suction pipe that has a suction channel extending between an inlet opening and an outlet opening, wherein the inlet opening
is arranged outside the docking chamber and the outlet opening is arranged such that a metal melt flowing through the suction
channel and exiting from the outlet opening passes through the docking opening.

US Pat. No. 9,855,592

ALUMINIUM COMPOSITE MATERIAL AND FORMING METHOD

Hydro Aluminium Rolled Pr...

1. A method for forming a component from an aluminium composite material, the method comprising the steps of:
providing a core alloy made from an aluminium alloy and at least one outer aluminium alloy layer provided on one or both sides;
forming the aluminium composite material in a forming tool to form the component; and
wherein the at least one outer aluminium alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa and a shear flow stress koutside in a soft or solution-annealed state,

wherein, kf,outside/kf,core<0.5 applies for flow stresses of the aluminium alloys of the core and of the at least one outer layer in the soft or solution-annealed
state,

wherein frictional shear stress ?R between the forming tool and the aluminium composite material in a contact surface reaches the shear flow stress koutside of the at least one outer aluminium alloy layer at at least one local position in the forming tool during the forming of the
component;

wherein, the forming comprises a deep drawing and/or stretch forming procedure; and
wherein the core alloy is an alloy of type AA6xxx and the at least one outer aluminium alloy layer is an aluminium alloy of
type AA8xxx or the core alloy is AA5xxx and the at least one outer aluminium alloy layer is an aluminium alloy of type AA8079,
AA1050, AA5005, AA5005A.

US Pat. No. 10,113,222

ALUMINIUM ALLOY WHICH IS RESISTANT TO INTERCRYSTALLINE CORROSION

Hydro Aluminium Rolled Pr...

1. Aluminium alloy consisting of alloy components, which have the following composition in % by weight:2.91%?Mg?4.5%,
0.5%?Mn?0.8%,
0.05%?Cu?0.30%,
0.05%?Cr?0.30%,
0.05%?Zn?0.9%,
Fe<0.40%,
Si<0.25%,
Ti<0.20%,the balance Al and impurities individually less than 0.05% and in total a maximum of 0.15% and wherein the following applies to the alloy components Zn, Cr, Cu and Mn:(2.3* %Zn+1.25* %Cr+0.65* %Cu+0.05* %Mn) +2.4?%Mg and
(2.3* %Zn+1.25* %Cr+0.65* %Cu+0.05* %Mn) +1.4?%Mg.

US Pat. No. 10,065,271

METHOD FOR PRODUCING A ROLL-CLAD ALUMINUM WORKPIECE, ROLL-CLAD ALUMINUM WORKPIECE, AND USE THEREFOR

Hydro Aluminium Rolled Pr...

1. A method of producing a folded tube from a roll-clad aluminum workpiece, in which a core ingot of an aluminum alloy and at least one cladding piece of a cladding material are provided, in which at least one groove is incorporated into the core ingot and/or into a layer which may have been applied to the core ingot, in which the cladding piece is inlayed into the groove, in which the core ingot, after inlaying of the cladding piece, is hot-rolled to produce a roll-clad aluminum workpiece, and in which the roll-clad aluminum workpiece is folded such that the at least one cladding piece forms a joint section with another region of the roll-clad aluminum workpiece so as to form the folded tube, wherein the width of the groove is equal to or less than 70% of the core ingot width, and wherein the cladding piece is composed of a brazing alloy.

US Pat. No. 10,047,424

HIGHLY FORMABLE, MEDIUM-STRENGTH ALUMINIUM ALLOY FOR THE MANUFACTURE OF SEMI-FINISHED PRODUCTS OR COMPONENTS OF MOTOR VEHICLES

Hydro Aluminium Rolled Pr...

1. An aluminium alloy for the manufacture of semi-finished products or components of motor vehicles, which comprises the following alloy components in % by weight:0.7%?Si?0.9%,
0.7%?Fe?1.0%,
Cu?0.05%,
0.7%?Mn?0.9%,
0.6%?Mg?0.8%,
Cr?0.05%,
the remainder Al and impurities, individually up to a maximum of 0.05% by weight,
in total up to a maximum of 0.15% by weight.

US Pat. No. 9,887,044

TEXTURED CURRENT COLLECTOR FOIL

Hydro Aluminium Rolled Pr...

1. Current collector foil coated with active electrode material for batteries or accumulators, comprising a carrier material
and at least one electrically conductive layer made from a metal, wherein the at least one electrically conductive layer is
produced at least partially by electrodeposition of aluminium and has a texture, wherein the current collector foil is intended
for the cathode of a battery or an accumulator, the carrier material is an aluminium foil made from aluminium or an aluminium
alloy, the order of magnitude of the texture is adapted to the particle size of the active electrode material in such a way,
that the texture has a surface structure, surface waviness or surface roughness, which is of the same order of magnitude as
the particle size of the active electrode material, the crystallite size of the deposited aluminium amounts to 1 nm to 500
nm.

US Pat. No. 10,048,181

DEVICE FOR PERFORMING A BENDING TEST

Hydro Aluminium Rolled Pr...

1. A device for performing a bending testhaving a base plate,
having counter bearings connected via the base plate,
having bearing blocks, which in each case comprise a support for applying a bending sample to, and
having a bending punch or a bending rail for exerting a force on the bending sample,
characterised in that
the counter bearings and the bearing blocks abut against each other via contact surfaces inclined to the base plate.

US Pat. No. 10,279,385

ALUMINUM COMPOSITE MATERIAL AND FORMING METHOD

Hydro Aluminium Rolled Pr...

1. Sheet metal part manufactured by forming an aluminium composite material which has a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides, wherein the aluminium composite material is formed in a forming tool and the outer aluminium alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state, characterised in that,kf,outside/kf,core<0.5
for the flow stresses of the aluminium alloys of the core and of the at least one outer layer in the soft or solution-annealed state, the frictional shear stress ?R between the tool and the aluminium composite material in the contact surface reaches the shear flow stress koutside of the outer aluminium alloy layer at at least one local position in the forming tool during the formation of the aluminium composite material.

US Pat. No. 10,550,456

INTERCRYSTALLINE CORROSION-RESISTANT ALUMINIUM ALLOY STRIP, AND METHOD FOR THE PRODUCTION THEREOF

Hydro Aluminium Rolled Pr...

1. Aluminium alloy strip composed of an AA 5 xxx-type aluminium alloy, the aluminium alloy strip comprises a recrystallized microstructure, wherein the grain size (GS) of the recrystallized microstructure in ?m satisfies the following dependency on the Mg content (c_Mg) in wt. %:GS >22 +2*c_Mg, and wherein the maximum grain size is 45 ?m and wherein the aluminium alloy of the aluminium alloy strip has the following composition in wt. %:
Si?0.2%,
Fe?0.35%,
0.04%?Cu ?0.08%,
0.2%?Mn?0.5%.
4.35%?Mg?4.8%,
Cr?0.1%,
Zn?0.25%,
Ti?0.1%,
the remainder being Al and inevitable impurities, amounting to a maximum of 0.05 wt. % individually and a maximum of 0.15 wt. % in total, wherein the aluminium alloy strip has a yield point Rp0.2 of greater than 120 MPa and a tensile strength Rm of greater than 260 MPa.

US Pat. No. 10,486,209

METHOD AND DEVICE FOR RECYCLING METAL SCRAP

Hydro Aluminium Rolled Pr...

1. A method for recycling metal scraps, comprising the steps of:providing an amount of metal scrap in the form of a plurality of separated split lots, wherein the separated split lots are provided in the form of individual packages;
carrying out, for each split lot, a composition analysis and assigning an item of composition information based on said composition analysis to the respective split lot that has been analysed; and
selecting, for the production of an alloy with predetermined specification, a subset of suitable split lots from a plurality of split lots, each of said split lots of the plurality of split lots having an assigned item of composition information, for the alloy composition to be obtained as a function of the composition information items assigned to the split lots and of the predetermined specification.

US Pat. No. 10,471,684

ALUMINIUM COMPOSITE MATERIAL WITH ALMGSI CORE LAYER

Hydro Aluminium Rolled Pr...

1. Strip consisting of an aluminium material for production of components with high forming requirements, wherein the strip has a core layer of an AlMgSi alloy of the type AA6014, AA6016, AA6060 or AA6181 and at least one external aluminium alloy layer arranged on one or both sides and made of a non-hardenable aluminium alloy, wherein the at least one external aluminium alloy layer has a lower tensile strength than the core layer of an AlMgSi alloy in state T4, in state T4, the strip has uniform elongation Ag of more than 23% transverse to the rolling direction and with a thickness of 1.5 mm to 1.6 mm, a bend angle of less than 40° is achieved in the bending test transverse to the rolling direction and the at least one external aluminium alloy layer consists of an aluminium alloy type AA8xxx or AA1200, wherein the strip is achieved in that a rolling ingot is cast from an AlMgSi alloy of the type AA6014, AA6016, AA6060, or AA6181, the rolling ingot undergoes homogenisation, after homogenization a cladding layer consisting of an aluminium of the type AA8xxx or AA1200 applied at least on one or both sides of the rolling ingot, and the rolling ingot together with the applied cladding layers brought to hot rolling temperature, roll cladding at hot rolling temperatures, then optionally cold rolled to final thickness, and the finished rolled strip solution annealed and quenched, wherein the hot rolled strip is quenched after roll cladding.

US Pat. No. 10,549,340

METHOD FOR MULTIPLE CASTING OF METAL STRANDS

Hydro Aluminium Rolled Pr...

1. A method for the continuous casting of metal strands, including rolling ingots made of aluminium or an aluminium alloy, in whichthe liquid metal is simultaneously cast via a plurality of moulds into a plurality of metal strands,
the moulds each have a narrow side and a broad side, wherein all moulds have a uniform length of the narrow side, so that the metal strands have equal thicknesses after casting,
at least one of the moulds used has a broad side, whose length differs from the length of the broad side of the other simultaneously used moulds,
for each mould used, a sprue stone is provided, which is arranged on a casting table and is provided for receiving the starter strands,
wherein the casting of the metal strands comprises a mould filling phase with the casting table fixed, in which a plurality of starter strands is cast into the associated sprue stones, and
the casting comprises a continuous casting phase in which the casting table is lowered and a plurality of metal strands is cast,wherein the depth of the sprue stone for each mould is at least 50 mm, the mould filling phase is started simultaneously for all moulds with an identical filling speed, the casting process for the moulds that have reached the necessary metal level for starting the continuous casting phase is stopped and the continuous casting phase is started as soon as all moulds have reached the metal level necessary for the continuous casting phase.

US Pat. No. 10,478,861

SYSTEM FOR ANALYZING AND SORTING MATERIAL

HYDRO ALUMINIUM ROLLED PR...

1. A system for analyzing and sorting material comprising:a chute;
a feeder means for transporting at least one piece of material along a feeding surface towards and onto an upper portion of the chute, wherein the at least one piece of material is slidable on the chute and off the chute via a lower edge of the chute;
a sorting device operable to sort the at least one piece of material according to at least two fractions;
a laser device configured to generate a laser beam that, when the laser beam is incident on the at least one piece of material, can produce an emission from the piece material;
a spectrometer configured to detect the emission from the at least one piece of material and to produce an output signal corresponding to the emission and indicative of a chemical composition of the at least one piece of material; and
a controller device configured to receive the output signal and to operate the sorting device based on the output signal and at least one sorting criterion,
wherein the laser device and the spectrometer are both positioned on a same side of the chute in a direction perpendicular to a transportation direction of the chute,
wherein the laser device is configured to produce a laser beam that can be incident on the at least one piece of material when the at least one piece of material is at least partially protruding from the chute over the lower edge of the chute or has fallen off from the chute via the lower edge of the chute and is airborne,
wherein the chute defines a channel configured to guide the at least one piece of material from the upper portion of the chute to the lower edge of the chute,
wherein the channel includes a convex portion at the upper portion of the chute and a straight portion between the convex portion and the lower edge of the chute, and
wherein the channel is configured such that an extension of a centerline thereof intersects a path of the laser beam.

US Pat. No. 10,610,977

ALUMINIUM COMPOSITE MATERIAL HAVING AN INTERNAL SOLDER LAYER

Hydro Aluminium Rolled Pr...

1. Three-layered brazable aluminium composite material suitable for I-shaped butt-joint brazed connections consisting of at least two different aluminium alloys, whereby an inner layer of the three layers is an aluminium brazing layer made from an aluminium brazing alloy, the other layers being configured as covering layers and consist of at least one further aluminium alloy, whereby the at least one further aluminium alloy has a higher solidus temperature than the liquidus temperature of the aluminium brazing alloy, wherein the individual covering layers have a thickness that exceeds the thickness of the aluminium brazing layer by at least a factor of 1.5.

US Pat. No. 10,696,040

LITHO STRIP WITH HIGH COLD-ROLLING PASS REDUCTION

Hydro Aluminium Rolled Pr...

1. A method for production of an aluminium strip for lithographic printing plate supports from an aluminium alloy, wherein the aluminium alloy of the aluminium strip for lithographic printing plate supports comprises the following alloy constituents in % by weight:0.05%?Si?0.25%,
0.2%?Fe?1%,
Cu max. 400 ppm,
Mn?0.30%,
0.10%?Mg?0.50%,
Cr?100 ppm,
Zn?500 ppm,
Ti<0.030%,the remainder aluminium and unavoidable impurities individually at most 0.03%, in total at most 0.15%, with at least the following steps:casting of a rolling ingot from an aluminium alloy,
homogenising of the rolling ingot,
hot rolling of the rolling ingot to a hot strip thickness, and
cold rolling of the hot strip to final thickness,wherein the final thickness of the aluminium strip after cold rolling is between 0.1 mm and 0.5 mm,wherein on cold rolling, the product of the relative final thicknesses of the aluminium strip from a first and second cold rolling pass is 17% to 22%.

US Pat. No. 10,773,325

FLUX-FREE JOINING OF ALUMINIUM COMPOSITE MATERIALS

Hydro Aluminium Rolled Pr...

8. A method for producing a strip-shaped aluminium composite material consisting of at least one aluminium core alloy and at least one external brazing layer consisting of an aluminium brazing alloy provided on one or both sides of the aluminium core alloy, in which a strip-shaped aluminium composite material is produced by roll bonding or simultaneous casting followed by rolling, and the aluminium brazing layer of the strip-shaped aluminium composite material is then pickled with an acid pickling solution, wherein the aluminium composite material is pickled with an aqueous pickling solution that contains 0.1% to 20 wt. % of H2SO4, 20 ppm to 1000 ppm of HF, and at least one surfactant, wherein the removal of material in the pickling is between 0.05 g/m2 and 6 g/m2.

US Pat. No. 10,676,807

METHOD AND DEVICE FOR CHANGING THE TEMPERATURE OF METAL STRIPS IN A FLATNESS-ADAPTIVE MANNER

Hydro Aluminium Rolled Pr...

1. A device for changing the temperature of a metal strip, comprising means for changing the temperature of the metal strip by heating or cooling, in which, by using means for conveying the metal strip, the metal strip is moved in the strip direction relative to the means for changing the temperature of the metal strip,wherein the means for changing the temperature of the metal strip comprise a plurality of individual temperature-control means which each heat or cool the metal strip only in some regions, and the position of a plurality of the temperature-control means can be individually changed translationally relative to the metal strip, wherein said means for changing the temperature of the metal strip are suitable to change the position of at least one temperature-control means individually translationally in the longitudinal direction of the metal strip, in the transverse direction of the metal strip and/or at a distance from the metal strip, continuously whilst conveying the metal strip relatively to the means for changing the temperature of the metal strip.

US Pat. No. 10,751,773

METHOD AND APPARATUS FOR ROLL-EMBOSSING A STRIP

Hydro Aluminium Rolled Pr...

1. Method for roll-embossing a strip, comprising the steps of:providing a roll stand comprising a first work roll and a second work roll, wherein at least one of the first work roll or the second work roll comprises a surface structure to impress a rolling pattern into the strip, wherein a rolling gap with a pass line is defined between the first work roll and the second work roll;
arranging a control roll before the rolling gap of the work rolls in a rolling direction;
guiding the strip into the rolling gap of the roll stand via the control roll at an entry angle ? relative to the pass line;
controlling embossing of the surface structure of the work roll on the strip through selection of the entry angle ? depending on a positioning of the control roll relative to the pass line; and
setting the entry angle ? within an adjustment range of +/?2?, where ? is a bite angle of the first work roll or the second work roll in a given rolling pass, for which:
?=arccos [1?(?h/DW)],
where ?h is a difference between a thickness of the strip before rolling and a thickness of the strip after rolling in mm (pass reduction) and DW is a diameter of the work roll in mm.
US Pat. No. 10,792,892

USE OF AN ALUMINIUM ALLOY OR OF AN ALUMINIUM FLAT PRODUCT MADE FROM AN ALLOY OF THIS TYPE FOR AN ALUMINIUM-PLASTIC COMPOSITE PART

Hydro Aluminium Rolled Pr...

1. A method, comprising the steps of: providing an aluminium component from an aluminium alloy having the following composition:Si: 0.05 to 0.35 wt. %,
Fe: 1.55 to 1.75 wt. %,
Cu: ?0.02 wt. %,
Mn: 0.015 to 0.035 wt. %,
Mg: ?0.003 wt. %,
Cr: ?0.03 wt. %,
Ni: ?0.02 wt. %,
Zn: ?0.03 wt. %,
Ti: ?0.03 wt. %,
impurities individually up to 0.05 wt. %, in total up to 0.15 wt. %, the remainder being aluminium; and
combining the aluminium component with a plastic-containing component to produce an aluminium-plastic composite part, wherein the aluminium-plastic composite part is an automotive lightweight component.

US Pat. No. 10,889,912

ALUMINIUM ALLOY STRIP FOR ADHESIVE CONNECTION

Hydro Aluminium Rolled Pr...

1. A method, comprising:utilizing a strip consisting of an aluminium alloy for providing adhesive connections in motor vehicles, wherein
the strip at least in certain areas has a surface structure prepared for an adhesive connection, wherein the surface structure has depressions which were produced using an electrochemical graining process, wherein the surface structure which is at least provided in certain areas is provided on at least one or on both sides of the strip and has a reduced valley depth Svk of 1.0 ?m to 6.0 ?m.

US Pat. No. 11,110,564

METHOD AND DEVICE FOR STRUCTURALLY CONDITIONING A ROLL

Hydro Aluminium Rolled Pr...


1. A method for structurally conditioning a roll body of a working roll of a roll stand, comprising the following steps,rotating said roll body of said working roll relative to at least one pressure tool, wherein said pressure tool comprises at least one pressure element,
applying a pressure locally to said roll body of said working roll by means of said at least one pressure tool via said at least one pressure element, and
moving said at least one pressure tool relative to said roll body of said working roll with a feed motion in the axial direction of said roll body of the working roll such that said pressure is applied to at least one surface section of the roll via the at least one pressure element,
whereby a deep rolling process of said roll body of said working roll is carried out.

US Pat. No. 11,085,903

METHOD, DEVICE AND USE FOR THE DEVICE FOR QUANTITATIVELY DETERMINING THE CONCENTRATION OR PARTICLE SIZE OF A COMPONENT OF A HETEROGENEOUS MATERIAL MIXTURE

NEMAK S.A.B. DE C.V., Ga...


1. A method for quantitative determination of a number and size of particulate components contained in a flowing molten metal medium in a container including a wall, wherein ultrasonic waves are coupled into the molten metal flowing medium, are reflected at least partially by the particulate components and reflected ultrasonic waves are detected as ultrasonic time signals which are used for the quantitative determination, comprising steps of:acoustically coupling the ultrasonic waves into the molten metal flowing medium with an ultrasonic transducer including a waveguide having at least a part of the waveguide immersed in the molten metal flowing medium with at least one portion of the acoustically coupled ultrasonic waves being reflected by the wall of the container containing the molten metal flowing medium or a reflector within the container to provide echo-ultrasonic time signals which are assignable to a wall region or the reflector and are used to provide a calibration reference, the ultrasonic waves being coupled into the molten metal flowing medium flowing through the container in a main direction of propagation at an angle relative to a direction of flow of the molten metal flowing medium, the ultrasonic waves flowing in the molten metal flowing medium being focused at a focal point located along the main direction of propagation of the molten metal flowing medium which is located either before or after the reflector or the wall of the container with the ultrasonic waves propagating along the main direction of propagation impinging orthogonally or at an angle on the container and are reflected;
detecting the reflected ultrasonic waves at a location of coupling of the ultrasonic waves into the molten metal flowing medium;
determining at least one amplitude threshold value function for establishing an amplitude threshold value for the detected reflected ultrasonic time signals with the at least one amplitude threshold being based on at least the calibration reference;
detecting amplitude values associated with individual ultrasonic time signals which are greater than the at least one amplitude threshold value for the reflected ultrasonic time signals; and
processing the detected amplitude values to provide a number and size of the particulate components.