Metal deforming – By extruding through orifice – With metal-deforming other than by extrusion
Patent
1979-11-09
1981-09-22
Larson, Lowell A.
Metal deforming
By extruding through orifice
With metal-deforming other than by extrusion
72258, 72270, 425114, B21C 2322, B29F 300
Patent
active
042902908
ABSTRACT:
A composite section comprises a beam-like section which may in particular be made of a light-weight metal, and a facing of at least a part of at least one face of the beam-like section made of another metal. The beam-like part is produced by extruding a billet of metal through a die, and at the same time the facing strip is fed through the shape-giving opening in the die. Inside the die there is provided at least one moving face which may e.g. be in the form of a wheel, over which the facing strip passes in being fed to the die opening. Also the strip can be deformed during feeding or extrusion to provide a variety of shapes. The wheels can be shaped to effect the shaping of the strip. They also reduce friction and wear in the die. Measures are taken to allow easy access to such wheels for ease of repair or for changing the wheels.
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Ames Adolf
Wagner Alfred
Larson Lowell A.
Swiss Aluminium Ltd.
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