Title:
金属板又は金属棒の端部断面の内部割裂方法、並びに該内部割裂方法による金属容器と金属管の製造方法及び金属部品の接合方法
Document Type and Number:
Japanese Patent JP5713509
Kind Code:
B2
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Inventors:
Masakatsu Seki
Application Number:
JP2013152248A
Publication Date:
May 07, 2015
Filing Date:
July 23, 2013
Export Citation:
Assignee:
Seki Press Co., Ltd.
International Classes:
B21K21/02; B21J1/04; B23P13/00
Domestic Patent References:
JP5092227A | ||||
JP2007234553A | ||||
JP2002282988A | ||||
JP9220637A | ||||
JP2012020327A |
Foreign References:
WO2008029910A1 |
Attorney, Agent or Firm:
Eguchi State