Title:
缶の製造方法
Document Type and Number:
Japanese Patent JP6887363
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a can which can stably secure height accuracy in a can axial direction while bottom reform processing is performed at a can bottom so as to satisfy weight saving of the can and stabilization of the sealed state.SOLUTION: A manufacturing method of a can comprises: a bottom reform process S09 which performs bottom reform processing to at least one of an inner peripheral wall and an outer peripheral wall in an annular projection part projecting from an opening end part of a can body along a can axis direction to a can bottom in the can bottom of the bottomed cylindrical can including the can body and the can bottom; and a trimming process S12 which performs trimming processing at the opening end part of the can body. The trimming process S12 is performed after the bottom reform process S09.SELECTED DRAWING: Figure 1
Inventors:
Shoji Matsuo
Tetsuya Ose
Atsushi Yamashita
Tetsuya Ose
Atsushi Yamashita
Application Number:
JP2017226246A
Publication Date:
June 16, 2021
Filing Date:
November 24, 2017
Export Citation:
Assignee:
Universal Can Corporation
International Classes:
B21D51/26; B21D51/38
Domestic Patent References:
| JP2003245733A | ||||
| JP2016043991A | ||||
| JP10166083A | ||||
| JP2007106420A |
Foreign References:
| US20080127705 | ||||
| CN102910330A |
Attorney, Agent or Firm:
Yasushi Matsunuma
Mitsuo Teramoto
Fumihiro Hosokawa
Kazunori Onami
Mitsuo Teramoto
Fumihiro Hosokawa
Kazunori Onami