阅读说明：本技术 通过壁拉延生产罐体的方法和设备 (Method and apparatus for producing can bodies by wall drawing ) 是由 A·伯丁 F·琼克 于 2019-02-04 设计创作，主要内容包括：本发明涉及一种由金属片材生产包含底部和管状体的罐体(9)的方法,所述金属片材的一侧或两侧上涂覆有聚合物层,在该方法中,首先由金属片材制造圆盘,然后将该圆盘深冲成至少在外侧上具有聚合物层的杯状物(3),然后通过壁拉延将该杯状物(3)成型为罐体(9),所述壁拉延通过使杯状物(3)移动连续穿过再冲压模具和一个或多个壁拉延环(6,7)而在单一冲程中进行。(The invention relates to a method for producing a can body (9) comprising a bottom and a tubular body from a metal sheet which is coated on one or both sides with a polymer layer, in which method a disc is first produced from the metal sheet, the disc is then deep-drawn into a cup (3) having the polymer layer on at least the outside, and the cup (3) is then formed into the can body (9) by wall drawing which is carried out in a single stroke by moving the cup (3) continuously through a redraw die and one or more wall drawing rings (6, 7).)