FIELD: plastic working of metals, possibly manufacture of bent elongated products.
SUBSTANCE: method comprises steps of placing inside blank filler of elastic material and bending blank; using filler being set of inserts non-bound one to other; one-by-one introducing inserts to inner cavity of blank for forming filler whose size and contour are equivalent to those of inner cavity of blank. Thickness of each insert is no more than width of open portion of blank.
EFFECT: simplified, lowered-cost, reduced labor consumption process.
5 cl, 1 dwg
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Authors
Dates
2005-10-20—Published
2004-02-06—Filed