Title:
ボトル缶の製造方法
Document Type and Number:
Japanese Patent JP6922356
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To stabilize a shape of a skirt part by a relatively simple molding process and suppress occurrence of a capping failure.SOLUTION: In a manufacturing method of a bottle can, a skirt part 1F and a bead part 1G are simultaneously formed on a mouth part 1C in a process separate from a forming process of a screw part by using an inner tool 10 arranged on an inner side of the mouth part 1C and an outer tool 20 arranged on an outer side of the mouth part 1C.SELECTED DRAWING: Figure 1
Inventors:
Murase Ken
Tamura Masaomi
Toshiyuki Hasegawa
Takeshi Aihara
Tomohiko Nakamura
Naoya Matsumoto
Nobuhiro Shinojima
Tamura Masaomi
Toshiyuki Hasegawa
Takeshi Aihara
Tomohiko Nakamura
Naoya Matsumoto
Nobuhiro Shinojima
Application Number:
JP2017075242A
Publication Date:
August 18, 2021
Filing Date:
April 05, 2017
Export Citation:
Assignee:
Toyo Seikan Co., Ltd.
International Classes:
B21D51/26; B21D22/16; B21D51/38
Domestic Patent References:
| JP2004202557A | ||||
| JP2016041450A | ||||
| JP2009148777A | ||||
| JP2002302137A | ||||
| JP2006110559A | ||||
| JP2005052890A | ||||
| JP2002137032A | ||||
| JP2004074170A |
Foreign References:
| US5704240 |
Attorney, Agent or Firm:
Eichi International Patent Office