FIELD: metallurgy.
SUBSTANCE: invention relates to metal forming and can be used for the manufacture of metal sealing caps by stamping. Strip or sheet material made of "bright" or "high gloss" aluminium alloy is cut into disks, from which stamping produces blanks comprising a head and a skirt, as a rule, axisymmetric in the axial direction. Obtained blank is degreased and a protective and/or decorative varnish is applied. After punching, the blank is deep-drawn.
EFFECT: higher quality of the cap.
15 cl, 5 dwg
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