What Does Extrusion Machine Mean?

In March 1956, a US patent was filed for "method for heat extrusion of metallic". Patent US3156043 A outlines that numerous critical pros might be realized with heat extrusion of the two ferrous and non-ferrous metals and alloys if a billet for being extruded is changed in its physical Homes in reaction to Bodily forces by remaining heated to a tem

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