CAN MANUFACTURING METHOD AND DEVICE

WIPO Patent Application WO/2024/062689

A1

The present invention addresses the problem of providing a can manufacturing method involving air assist, with which it is possible to remove a punch smoothly from a processed can by appropriately performing the air assist.　This can manufacturing method involves a drawing and/or drawing-ironing process using a press machine and is characterized by comprising a stripping step for removing a punch from a can after the drawing and/or drawing-ironing process, the stripping step involving blowing air out from an air blow-out port at the tip of the punch and performing air assist for assisting in the removal of the punch; in the air assist, the air pressure and/or the air blow-out timing is adjusted for each shot to an air pressure and/or air blow-out timing that accords with the condition for the shot.

JP2807941	[Title of the Invention] A method for forming a can body of a highly corrosion resistant metal container
JP2020517548	How to design and manufacture dome forming profiles and lightweight containers

HOKAMURA HANJIRO (JP)
TOCHIGI TAKAYUKI (JP)
HUNATSUKI HIROMITSU (JP)
WAKISAKA KOUJI (JP)

PCT/JP2023/020782

March 28, 2024

June 05, 2023

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TOYO SEIKAN CO LTD (JP)

B21D51/26; B21D24/16

JP6032750B2	2016-11-30
JP2001150043A	2001-06-05
JPS5129323Y2	1976-07-23
JP4696913B2	2011-06-08

EICHI PATENT & TRADEMARK CORP. (JP)

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