Can manufacturing method and can manufacturing system

Abstract

A can manufacturing method by deep drawing processing using a press machine, wherein a pre-step press machine, a post-step press machine, and a conveyor configured to convey a blank from the pre-step press machine to the post-step press machine are provided, the can manufacturing method including: first pressing for blank processing on a metal plate and coining processing to reduce a plate thickness of the blank by using the pre-step press machine; conveying the blank from the pre-step press machine to the post-step press machine; and second pressing for drawing processing and/or drawing and ironing processing to form a rectangular can by using the post-step press machine.

Dependencies are inferred from the claim text.