A device manufactures an electrode strip for a battery including a current collector strip and at least one layer of electrochemically active composite material on either side of the current collector strip. The device includes an extruder including a sheath, an extrusion head, and an extrusion screw. The extrusion screw includes an outer tube and an inner tube that are coaxial and fitted into one another. The outer tube is mounted so as to be rotatably movable relative to the sheath. The inner tube is stationary relative to the sheath and includes an outlet located upstream of the extrusion head. Moreover, the manufacturing device includes advancing and unwinding structure to convey the current collector strip through the inner tube and up to the extrusion head.

A device manufactures an electrode strip for a battery including a current collector strip and at least one layer of electrochemically active composite material on either side of the current collector strip. The device includes an extruder including a sheath, an extrusion head, and an extrusion screw. The extrusion screw includes an outer tube and an inner tube that are coaxial and fitted into one another. The outer tube is mounted so as to be rotatably movable relative to the sheath. The inner tube is stationary relative to the sheath and includes an outlet located upstream of the extrusion head. Moreover, the manufacturing device includes advancing and unwinding structure to convey the current collector strip through the inner tube and up to the extrusion head.

It is provided an extruder for a system for the additive manufacture of freely formable metal parts with or without a supporting structure by means of an extrusion method from a composite material, which is arranged on a three-dimensionally movable kinematic mechanism, with a building platform. The extruder consists of a housing and a screw arranged in the housing. The extruder is provided with a mechanical drive for the composite material to be extruded, with an exchangeable nozzle, arranged on the housing, and the housing is connected to the mechanical drive by way of suitable means for transporting the composite material.

It is provided an extruder for a system for the additive manufacture of freely formable metal parts with or without a supporting structure by means of an extrusion method from a composite material, which is arranged on a three-dimensionally movable kinematic mechanism, with a building platform. The extruder consists of a housing and a screw arranged in the housing. The extruder is provided with a mechanical drive for the composite material to be extruded, with an exchangeable nozzle, arranged on the housing, and the housing is connected to the mechanical drive by way of suitable means for transporting the composite material.

A metal member according to the present invention is a metal member having a surface in contact with a rubber material, wherein at least a portion of the surface of the metal member in contact with the rubber material is formed from an alloy containing cobalt and chromium, and the metal member comprises a fluid passage for adjusting a temperature of the at least a portion of the surface of the metal member in contact with the rubber material.

A screw having a longitudinal body and, around this longitudinal body, at least one flight extending in the shape of a helix, the flight including, over part of its length, internal partitioning delimiting a plurality of internal channels that extend in the shape of helices following the helix shape of the flight. The screw includes manifold-like cavities into which the ends of the interior canals open, the manifold-like cavities extending radially and opened into a longitudinal bore of the body at longitudinally spaced locations. This screw can be produced by additive manufacturing using laser-induced fusion.

A subject of the invention is a process for surfacing or resurfacing a metal part by laser-assisted deposition of a filler material in order to produce an abradable coating of the part, the process being characterized in that the filler material is an iron-based powder comprising vanadium, chromium, nickel, boron, silicon and carbon, in that the laser has an operational wavelength ranging from 900 nm to 1100 nm and in that it comprises the irradiation of the part by a laser beam such that the specific energy (SE) varies from 5 J/mg to 10 J/mg and such that the linear density (LD) varies from 25 mg/mm to 55 mg/mm. Another subject of the invention is the surfaced or resurfaced metal part. Another subject of the invention is a pre-alloy in iron-based powder form, comprising vanadium, chromium, nickel, boron, silicon and carbon.

High Specific Mechanical Energy extruder screw assemblies (14, 88, 98) and complete extruders (10, 86, 96) are provided, which include wide-flight intermediate screw sections (104) having axial flight widths greater than the flight widths of the inlet and outlet screw sections (102, 106) on opposite sides of the intermediate sections (104). The intermediate sections (104) provide increased friction and shear serving to enhance the SMEs imparted to comestible food materials during processing thereof.

The invention relates to a mixing device for a twin-screw extruder, in particular a twin-screw extruder rotating in the opposite direction, comprising a first screw and a second screw, for mixing a melt flow in a screw antechamber, wherein the first screw has an extension in the form of a mixing screw tip connected to the first screw in a fixed manner, and a first melt channel, into which the first screw feeds, is arranged in a flow-connected manner via an elongated slot with a second melt channel, into which the second screw feeds.

An acrylic rubber bale excellent in storage stability and processability, a method for producing the same, a rubber mixture obtained by mixing the acrylic rubber bale, and a rubber cross-linked product of the rubber mixture are provided. The acrylic rubber bale according to the present invention includes an acrylic rubber having a reactive group and a weight average molecular weight (Mw) of 100,000 to 5,000,000, wherein an amount of gel insoluble in methyl ethyl ketone is 50% by weight or less, and pH is 6 or less.