Production process of body of two-piece can
A production process of the body of a two-piece can sequentially includes the steps of A, stamping a metal piece into a cup-shaped blank; B, stretching the cup-shaped blank until the stretching height H of the blank wall is larger than the can wall height design value h; C, using bottom stamping equ...
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Format: | Patent |
Sprache: | chi ; eng |
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