FIELD: plastic metal working. SUBSTANCE: method comprises steps of drawing blank at deforming pelletized polyurethane providing end pushing of blank and arranged on blank flange at side of lower die. At drawing process pelletized polyurethane is pressed out into gap between blank and lower die. EFFECT: enhanced efficiency, lowered cost price. 3 dwg
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Authors
Dates
2000-03-27—Published
1998-06-29—Filed