发明名称 METHOD OF MANUFACTURING BOTTLE CAN AND BOTTLE CAN
摘要 PROBLEM TO BE SOLVED: To provide a method of manufacturing a bottle can, by which it is made possible to impart further the function of awakening purchasing will to the bottle-shaped can and also such a bottle can is able to be formed with high accuracy, and to provide the bottle can.SOLUTION: In the method of manufacturing the bottle can and the bottle can, wherein the opening part of a blind cylindrical body W having a barrel part is subjected to neck-in working a plurality of times to form the barrel part, a shoulder part 3 and a predetermined part 4a for forming a cap part which is arranged continuously with the upper end in the axial direction of the can of the shoulder part 3 and extended upward, then a first projecting part 11 is formed at least at one of the connected portion of the shoulder part 3 and predetermined part 4a and the connecting portion of the shoulder part 3 with the barrel part, and thereafter, a groove part 10 is formed in this shoulder part 3 by pressing the shoulder part 3 toward the inside of a can body while the first projecting part 11 is bent to the inside in the radial direction or the like.
申请公布号 JP2011194474(A) 申请公布日期 2011.10.06
申请号 JP20110142923 申请日期 2011.06.28
申请人 UNIVERSAL SEIKAN KK 发明人 HANABUSA TATSUYA;ITO RYUICHI;HOSOI MASAHIRO;HASEGAWA TAKASHI
分类号 B21D51/26;B65D1/00;B65D1/02;B65D1/12 主分类号 B21D51/26
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