FIELD: plastic metalworking; manufacture of flexible metal-reinforced hoses with helical movable seam from metal band. SUBSTANCE: proposed method includes profiling of band, for example Z- or S-shaped section, preliminary deforming by winding on mandrel and final deforming on mandrel at crimping the flanges by rollers. Preliminary deforming is performed by winding on profiled part of mandrel without catching the turns for obtaining flexible hose with reliable movable connection of turns. EFFECT: enhanced mobility of hose. 4 dwg
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Authors
Dates
2003-07-10—Published
2001-12-13—Filed