Method and apparatus for making a can body

Details Method and apparatus for making a can body Method and apparatus for making a can body

1986-02-18

1987-06-23

Combs, E. Michael

Electric heating

Metal heating

By arc

72 51, 228151, 228 443, 219 64, B23K 1500, B23K 3106, B23K 3704

Patent

active

046754962

ABSTRACT:
A method of making a can body is provided. The method comprises forming a ferromagnetic metal blank into a can body preform having adjacent confronting side edges whose edge faces are spaced, magnetizing the confronting edges to have a reverse polarity to each other, so that the confronting edge faces be attracted to each other and brought into abutting relationship to form an abutting portion, and joining the abutting portion. An apparatus for making a can body according to the method is also provided.

REFERENCES:
patent: 3585336 (1971-06-01), Suckow
patent: 4497995 (1985-02-01), Nilsen
patent: 4577088 (1986-03-01), Sharp

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