Title:
METALLIC CAN AND ITS PRODUCTION METHOD
Document Type and Number:
Japanese Patent JP3629605
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To integrally mold a tubular ring along with a can body at its inner side and vicinity of a can opening part.
SOLUTION: This metallic can 4 is molded in a way an upper end edge of the can body is roundly bent inside or outside to make a beading 10a, and a tubular ring 3 is integrally molded with the can body at a downward inside of the beading. A ring shape caving part 12a is molded by pressing and concaving the upper end opening part surrounding of a small diameter can opening expandedly formed towards outer side, while carrying out the diameter reduction of the metallic can body upper end part. Then, the tubular ring 3 is molded integrally with the can body by flattening the ring shape caving part 12a by pressurizing from the parallel direction to the can body center.
Inventors:
Kawamata Kiyoji
Application Number:
JP26780698A
Publication Date:
March 16, 2005
Filing Date:
September 22, 1998
Export Citation:
Assignee:
Nippon Seikan Co., Ltd.
International Classes:
B65D1/00; B21D51/26; B21D51/44; B65D1/09; B65D1/16; (IPC1-7): B21D51/26; B21D51/44; B65D1/09; B65D1/16
Domestic Patent References:
| JP4327146A | ||||
| JP3033013U | ||||
| JP58019923U | ||||
| JP58046758U | ||||
| JP5065864U | ||||
| JP7040522U | ||||
| JP53053490A | ||||
| JP64034523A | ||||
| JP5278737A | ||||
| JP5033888A | ||||
| JP10053260A |
Attorney, Agent or Firm:
Masatsugu Suzuki
Kenichi Wakui
Kenichi Wakui
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