Title:
MANUFACTURING METHOD OF SHELL, MANUFACTURING METHOD OF CAN LID, THE SHELL, AND THE CAN LID
Document Type and Number:
Japanese Patent JP2018176165
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a shell, a manufacturing method of a can lid, the shell, and the can lid which can reduce a weight and reduce materials while suppressing degradation of strength of the can lid.SOLUTION: A method includes: a drawing process of forming an inclined wall by drawing a metal blank; a bulging process of stretching a metal plate of at least a part of a portion (a part for forming a panel 14d) on which a panel part is to be formed; and a shaping process of forming the panel part by making a shape of a part which is stretched in the bulging process.SELECTED DRAWING: Figure 5
Inventors:
KOMINAMI ATSUSHI
SHIBASAKA MAMORU
OKUMURA TOSHIKI
SHIBASAKA MAMORU
OKUMURA TOSHIKI
Application Number:
JP2017073772A
Publication Date:
November 15, 2018
Filing Date:
April 03, 2017
Export Citation:
Assignee:
TOYO SEIKAN KAISHA LTD
International Classes:
B21D51/44; B65D8/04
Domestic Patent References:
| JP2015517408A | 2015-06-22 | |||
| JP2010120059A | 2010-06-03 | |||
| JPH07299533A | 1995-11-14 | |||
| JPH06154895A | 1994-06-03 | |||
| JPH05305360A | 1993-11-19 | |||
| JP2014184454A | 2014-10-02 | |||
| JPH05177284A | 1993-07-20 | |||
| JP2017514693A | 2017-06-08 |
Foreign References:
| WO2015147297A1 | 2015-10-01 | |||
| US5823040A | 1998-10-20 | |||
| US20160016224A1 | 2016-01-21 |
Attorney, Agent or Firm:
Kazunobu Sera
Hiroyasu Kanai
Koichiro Sakai
Ryota Morihiro
Hiroyasu Kanai
Koichiro Sakai
Ryota Morihiro